2012 Lexus CT 200h BaseFACTORY OEM SERVICE PROCEDURE

Terminals Of Ecu

  1. MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Disconnect the K5 multiplex network master switch assembly connector.
      Fig 1: K5 Connector Terminal Identification
      GTY355464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K5-11 (B) - K5-12 (GND) L - W-B Power supply Power switch off 11 to 14 V
      K5-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the K5 multiplex network master switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K5-15 (DOWN) - K5-12 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      K5-15 (DOWN) - K5-12 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), driver side power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      K5-18 (LED) - K5-12 (GND) B - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      K5-18 (LED) - K5-12 (GND) B - W-B LED illumination signal Approximately 43 seconds after power switch turned off Below 1 V
      K5-20 (UP) - K5-12 (GND) V - W-B Power window motor UP output Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      K5-20 (UP) - K5-12 (GND) V - W-B Power window motor UP output Power switch on (IG), driver side power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V

      If the result is not as specified, the multiplex network master switch assembly may have a malfunction.

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    1. Disconnect the J5 power window regulator switch assembly connector.
      Fig 2: J5 Connector Terminals Identification
      GTY354900Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J5-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the J5 power window regulator switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J5-4 (LED) - J5-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      J5-4 (LED) - J5-1 (GND) Y - W-B LED illumination signal Approximately 43 seconds after the power switch turned off Below 1 V
      J5-6 (UP) - J5-1 (GND) B - W-B Power window motor UP output Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J5-6 (UP) - J5-1 (GND) B - W-B Power window motor UP output Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      J5-6 (UP) - J5-1 (GND) B - W-B Power window motor UP output Power switch on (IG), front passenger side power window fully open 11 to 14 V
      J5-6 (UP) - J5-1 (GND) B - W-B Power window motor UP output Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation) Below 1 V
      J5-6 (UP) - J5-1 (GND) B - W-B Power window motor UP output Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      J5-7 (DOWN) - J5-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J5-7 (DOWN) - J5-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      J5-7 (DOWN) - J5-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      J5-7 (DOWN) - J5-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation) Below 1 V
      J5-7 (DOWN) - J5-1 (GND) G - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window fully open 11 to 14 V
      J5-8 (AUTO) - J5-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), front passenger side power window fully open 11 to 14 V
      J5-8 (AUTO) - J5-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation) Below 1 V
      J5-8 (AUTO) - J5-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      J5-8 (AUTO) - J5-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      J5-8 (AUTO) - J5-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation) Below 1 V
      J5-8 (AUTO) - J5-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), front passenger side power window fully open 11 to 14 V

      If the result is not as specified, the power window regulator switch assembly may have a malfunction.

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Side) 
    1. Disconnect the M3 rear power window regulator switch assembly (for LH side) connector.
      Fig 3: M3 Connector Terminal Identification
      GTY354901Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M3-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the M3 rear power window regulator switch assembly (for LH side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M3-4 (LED) - M3-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      M3-4 (LED) - M3-1 (GND) Y - W-B LED illumination signal Approximately 43 seconds after the power switch turned off Below 1 V
      M3-6 (UP) - M3-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled 11 to 14 V
      M3-6 (UP) - M3-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pulled halfway up (Manual operation) Below 1 V
      M3-6 (UP) - M3-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window fully open 11 to 14 V
      M3-6 (UP) - M3-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation) Below 1 V
      M3-6 (UP) - M3-1 (GND) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      M3-7 (DOWN) - M3-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled 11 to 14 V
      M3-7 (DOWN) - M3-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pushed halfway down (Manual operation) Below 1 V
      M3-7 (DOWN) - M3-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      M3-7 (DOWN) - M3-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation) Below 1 V
      M3-7 (DOWN) - M3-1 (GND) GR - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window fully open 11 to 14 V
      M3-8 (AUTO) - M3-1 (GND) V - W-B Power window motor AUTO UP output Power switch on (IG), rear LH side power window fully open 11 to 14 V
      M3-8 (AUTO) - M3-1 (GND) V - W-B Power window motor AUTO UP output Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation) Below 1 V
      M3-8 (AUTO) - M3-1 (GND) V - W-B Power window motor AUTO UP output Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      M3-8 (AUTO) - M3-1 (GND) V - W-B Power window motor AUTO DOWN output Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      M3-8 (AUTO) - M3-1 (GND) V - W-B Power window motor AUTO DOWN output Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation) Below 1 V
      M3-8 (AUTO) - M3-1 (GND) V - W-B Power window motor AUTO DOWN output Power switch on (IG), rear LH side power window fully open 11 to 14 V

      If the result is not as specified, the rear power window regulator switch assembly (for LH side) may have a malfunction.

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH Side) 
    1. Disconnect the L3 rear power window regulator switch assembly (for RH side) connector.
      Fig 4: L3 Connector Terminal Identification
      GTY354899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L3-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the L3 rear power window regulator switch assembly (for RH side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L3-4 (LED) - L3-1 (GND) GR - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      L3-4 (LED) - L3-1 (GND) GR - W-B LED illumination signal Approximately 43 seconds after the power switch turned off Below 1 V
      L3-6 (UP) - L3-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled 11 to 14 V
      L3-6 (UP) - L3-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pulled halfway up (Manual operation) Below 1 V
      L3-6 (UP) - L3-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear RH side power window fully open 11 to 14 V
      L3-6 (UP) - L3-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation) Below 1 V
      L3-6 (UP) - L3-1 (GND) V - W-B Power window motor UP output Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      L3-7 (DOWN) - L3-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled 11 to 14 V
      L3-7 (DOWN) - L3-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pushed halfway down (Manual operation) Below 1 V
      L3-7 (DOWN) - L3-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      L3-7 (DOWN) - L3-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation) Below 1 V
      L3-7 (DOWN) - L3-1 (GND) Y - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window fully open 11 to 14 V
      L3-8 (AUTO) - L3-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), rear RH side power window fully open 11 to 14 V
      L3-8 (AUTO) - L3-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation) Below 1 V
      L3-8 (AUTO) - L3-1 (GND) L - W-B Power window motor AUTO UP output Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      L3-8 (AUTO) - L3-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      L3-8 (AUTO) - L3-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation) Below 1 V
      L3-8 (AUTO) - L3-1 (GND) L - W-B Power window motor AUTO DOWN output Power switch on (IG), rear RH side power window fully open 11 to 14 V

      If the result is not as specified, the rear power window regulator switch assembly (for RH side) may have a malfunction.

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side) 
    1. Disconnect the K2 power window regulator motor assembly (for driver side) connector.
      Fig 5: K2 Connector Terminal Identification
      GTY349715Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      K2-2 (B) - Body ground L - Body ground Power supply Power switch off 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the K2 power window regulator motor assembly (for driver side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K2-5 (LED) - K2-1 (GND) B - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      K2-5 (LED) - K2-1 (GND) B - W-B LED illumination signal Approximately 43 seconds after power switch turned off Below 1 V
      K2-7 (DOWN) - K2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      K2-7 (DOWN) - K2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation) Below 1 V
      K2-7 (DOWN) - K2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), driver door power window fully closed 11 to 14 V
      K2-7 (DOWN) - K2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Automatic operation) Below 1 V
      K2-7 (DOWN) - K2-1 (GND) Y - W-B Power window motor AUTO DOWN input Power switch on (IG), driver door power window fully open 11 to 14 V
      K2-10 (UP) - K2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      K2-10 (UP) - K2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation) Below 1 V
      K2-10 (UP) - K2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) fully open 11 to 14 V
      K2-10 (UP) - K2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver side power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Automatic operation) Below 1 V
      K2-10 (UP) - K2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), driver door power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for driver side) may have a malfunction.

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) 
    1. Disconnect the J2 power window regulator motor assembly (for front passenger side) connector.
      Fig 6: J2 Connector Terminal Identification
      GTY349714Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J2-2 (B) - Body ground L - Body ground Power supply Power switch off 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the J2 power window regulator motor assembly (for front passenger side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J2-4 (AUTO) - J2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), front passenger side power window fully open 11 to 14 V
      J2-4 (AUTO) - J2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation) Below 1 V
      J2-4 (AUTO) - J2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      J2-4 (AUTO) - J2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      J2-4 (AUTO) - J2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation) Below 1 V
      J2-4 (AUTO) - J2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), front passenger side power window fully open 11 to 14 V
      J2-5 (LED) - J2-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      J2-5 (LED) - J2-1 (GND) Y - W-B LED illumination signal Approximately 43 seconds after power switch turned off Below 1 V
      J2-7 (DOWN) - J2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J2-7 (DOWN) - J2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      J2-7 (DOWN) - J2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), front passenger side power window fully closed 11 to 14 V
      J2-7 (DOWN) - J2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pushed down (Automatic operation) Below 1 V
      J2-7 (DOWN) - J2-1 (GND) G - W-B Power window motor DOWN input Power switch on (IG), front passenger side power window fully open 11 to 14 V
      J2-10 (UP) - J2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J2-10 (UP) - J2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), front passenger side power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      J2-10 (UP) - J2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), front passenger side power window fully open 11 to 14 V
      J2-10 (UP) - J2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), front passenger side power window moving, power window regulator switch assembly fully pulled up (Automatic operation) Below 1 V
      J2-10 (UP) - J2-1 (GND) B - W-B Power window motor UP input Power switch on (IG), front passenger side power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for front passenger side) may have a malfunction.

  7. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) 
    1. Disconnect the M2 power window regulator motor assembly (for rear LH side) connector.
      Fig 7: M2 Connector Terminal Identification
      GTY349747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      M2-2 (B) - Body ground R - Body ground Power supply Power switch off 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the M2 power window regulator motor assembly (for rear LH side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M2-4 (AUTO) - M2-1 (GND) V - W-B Power window motor AUTO UP input Power switch on (IG), rear LH side power window fully open 11 to 14 V
      M2-4 (AUTO) - M2-1 (GND) V - W-B Power window motor AUTO UP input Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation) Below 1 V
      M2-4 (AUTO) - M2-1 (GND) V - W-B Power window motor AUTO UP input Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      M2-4 (AUTO) - M2-1 (GND) V - W-B Power window motor AUTO DOWN input Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      M2-4 (AUTO) - M2-1 (GND) V - W-B Power window motor AUTO DOWN input Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation) Below 1 V
      M2-4 (AUTO) - M2-1 (GND) V - W-B Power window motor AUTO DOWN input Power switch on (IG), rear LH side power window fully open 11 to 14 V
      M2-5 (LED) - M2-1 (GND) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      M2-5 (LED) - M2-1 (GND) Y - W-B LED illumination signal Approximately 43 seconds after power switch turned off Below 1 V
      M2-7 (DOWN) - M2-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled 11 to 14 V
      M2-7 (DOWN) - M2-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pushed halfway down (Manual operation) Below 1 V
      M2-7 (DOWN) - M2-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear LH side power window fully closed 11 to 14 V
      M2-7 (DOWN) - M2-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pushed down (Automatic operation) Below 1 V
      M2-7 (DOWN) - M2-1 (GND) GR - W-B Power window motor DOWN input Power switch on (IG), rear LH side power window fully open 11 to 14 V
      M2-10 (UP) - M2-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear power window regulator switch assembly (for LH side) not pushed or pulled 11 to 14 V
      M2-10 (UP) - M2-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) pulled halfway up (Manual operation) Below 1 V
      M2-10 (UP) - M2-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear LH side power window fully open 11 to 14 V
      M2-10 (UP) - M2-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear LH side power window moving, rear power window regulator switch assembly (for LH side) fully pulled up (Automatic operation) Below 1 V
      M2-10 (UP) - M2-1 (GND) L - W-B Power window motor UP input Power switch on (IG), rear LH side power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for rear LH side) may have a malfunction.

  8. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) 
    1. Disconnect the L2 power window regulator motor assembly (for rear RH side) connector.
      Fig 8: L2 Connector Terminal Identification
      GTY349745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L2-2 (B) - Body ground R - Body ground Power supply Power switch off 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the L2 power window regulator motor assembly (for rear RH side) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L2-4 (AUTO) - L2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), rear RH side power window fully open 11 to 14 V
      L2-4 (AUTO) - L2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation) Below 1 V
      L2-4 (AUTO) - L2-1 (GND) L - W-B Power window motor AUTO UP input Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      L2-4 (AUTO) - L2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      L2-4 (AUTO) - L2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation) Below 1 V
      L2-4 (AUTO) - L2-1 (GND) L - W-B Power window motor AUTO DOWN input Power switch on (IG), rear RH side power window fully open 11 to 14 V
      L2-5 (LED) - L2-1 (GND) GR - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      L2-5 (LED) - L2-1 (GND) GR - W-B LED illumination signal Approximately 43 seconds after power switch turned off Below 1 V
      L2-7 (DOWN) - L2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled 11 to 14 V
      L2-7 (DOWN) - L2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pushed halfway down (Manual operation) Below 1 V
      L2-7 (DOWN) - L2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear RH side power window fully closed 11 to 14 V
      L2-7 (DOWN) - L2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pushed down (Automatic operation) Below 1 V
      L2-7 (DOWN) - L2-1 (GND) Y - W-B Power window motor DOWN input Power switch on (IG), rear RH side power window fully open 11 to 14 V
      L2-10 (UP) - L2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear power window regulator switch assembly (for RH side) not pushed or pulled 11 to 14 V
      L2-10 (UP) - L2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) pulled halfway up (Manual operation) Below 1 V
      L2-10 (UP) - L2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear RH side power window fully open 11 to 14 V
      L2-10 (UP) - L2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear RH side power window moving, rear power window regulator switch assembly (for RH side) fully pulled up (Automatic operation) Below 1 V
      L2-10 (UP) - L2-1 (GND) V - W-B Power window motor UP input Power switch on (IG), rear RH side power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for rear RH side) may have a malfunction.

  9. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. Disconnect the 2B junction block connectors.
      Fig 9: 2C, F7 And 2B Connector Terminal Identification
      GTY348184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the MB and H17 main body ECU (multiplex network body ECU) connector.
    3. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2B-6 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      H17-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      MB-29 (ACC) - Body ground - ACC power supply Power switch on (ACC) 11 to 14 V
      MB-29 (ACC) - Body ground - ACC power supply Power switch off Below 1 V
      MB-31 (ALTB) - Body ground - Auxiliary battery power supply Power switch off 11 to 14 V
      MB-32 (IG) - Body ground - Power switch power supply Power switch on (IG) 11 to 14 V
      MB-32 (IG) - Body ground - Power switch power supply Power switch off Below 1 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    4. Reconnect the 2B junction block connectors.
    5. Reconnect the MB and H17 main body ECU (multiplex network body ECU) connector.
    6. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2D-35 (FLCY) - Body ground BR - Body ground Front door courtesy switch LH input Front door LH open Below 1 V
      2D-35 (FLCY) - Body ground BR - Body ground Front door courtesy switch LH input Front door LH closed 11 to 14 V
      2D-36 (FRCY) - Body ground BR - Body ground Front door courtesy switch RH input Front door RH open Below 1 V
      2D-36 (FRCY) - Body ground BR - Body ground Front door courtesy switch RH input Front door RH closed 11 to 14 V
      H16-11 (L2) - Body ground G - Body ground Driver door key-linked lock input Driver door key cylinder turned to lock Below 1 V
      H16-11 (L2) - Body ground G - Body ground Driver door key-linked lock input Driver door key cylinder off 11 to 14 V
      H16-24 (UL3) - Body ground V - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock Below 1 V
      H16-24 (UL3) - Body ground V - Body ground Driver door key-linked unlock input Driver door key cylinder off Pulse generation

      If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may have a malfunction.

  10. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    1. Disconnect the H1 certification ECU (smart key ECU assembly) connector.
      Fig 10: H1 And H2 Connector Terminal Identification
      GTY355781Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      H1-1 (+B) - Body ground B - Body ground +B power supply Power switch off 11 to 14 V
      H1-15 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      H1-17 (CUTB) - Body ground Y - Body ground Dark current cut fuse pin input signal Power switch off 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the H1 certification ECU (smart key ECU assembly) connector.
    4. Measure the voltage and check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      H1-16 (IG) - Body ground BE - Body ground IG power supply Power switch off Below 1 V
      H1-16 (IG) - Body ground BE - Body ground IG power supply Power switch on (IG) 11 to 14 V
      H2-5 (RC0) - H1-15 (E) R - W-B Door control receiver power source
      • Power switch off
      • Key not pushed
      		 4.5 to 5.5 V
      Pulse generation
      H2-5 (RC0) - H1-15 (E) R - W-B Door control receiver power source
      • Power switch off
      • Lock or unlock switch on, key pushed
      		 4.5 to 5.5 V
      H2-15 (RDA) - H1-15 (E) Y - W-B Door control receiver data input signal Power switch off, all doors closed and transmitter switch not pressed 11 to 14 V pulse generation at regular intervals
      H2-15 (RDA) - H1-15 (E) Y - W-B Door control receiver data input signal Power switch off, all doors closed and transmitter switch pressed Pulse generation
      H2-16 (RSSI) - H1-15 (E) V - W-B Door control receiver electric wave existence signal
      • Power switch off
      • All doors locked
      • Key not pushed
      		 11 to 14 V
      H2-16 (RSSI) - H1-15 (E) V - W-B Door control receiver electric wave existence signal
      • Power switch off
      • All doors locked
      • Lock or unlock switch on, key pushed
      		 Below 2 V

      If the result is not as specified, the certification ECU (smart key ECU assembly) may have a malfunction.

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