Terminals Of Ecu

2009 Toyota Camry HybridSECTION Terminals Of Ecu
  1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    Fig 1: Identifying MI Switch Connector Terminals
    G04981061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the M1 switch connector.
    2. Measure the voltage and resistance of each terminal according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      E (M1-1) - Body ground W-B - Body ground Ground Always Below 1 Ω

      Standard voltage 

      VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (M1-6) - E (M1-1) GR - W-B Power supply Power switch on (IG) 10 to 14 V

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

    3. Reconnect the M1 switch connector and reset the power window motor.
    4. Measure the voltage according to the value (s) in the table below.

    Standard voltage 

    VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    DU (M1-3) - E (M1-1) G - W-B Power window motor UP output Power switch on (IG), driver side power window switch OFF → UP (Manual operation) 0V → 10 to 14 V
    DD (M1-4) - E (M1-1) BR - W-B Power window motor DOWN output Power switch on (IG), driver side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V
    PU (M1-16) - E (M1-1) W - W-B Power window motor UP output Power switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    PD (M1-15) - E (M1-1) R - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0 V → 10 to 14 V
    RLU (M1-12) - E (M1-1) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    RLD (M1-13) - E (M1-1) B - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window switch OFF → DOWN (Manual operation) 0 V → 10 to 14 V
    RRU (M1-10) - E (M1-1) Y - W-B Power window motor UP output Power switch on (IG), rear RH side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    RRD (M1-18) - E (M1-1) LG - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window switch OFF → DOWN (Manual operation) 0V → 10 to 14 V

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

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (FRONT RH) 
    Fig 2: Identifying H6 Switch Connector Terminals
    G04981062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H6 switch connector.
    2. Measure the voltage according to the value (s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (H6-3) - Body ground GR - Body ground Power supply Power switch on (IG) 10 to 14 V

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

    3. Reconnect the H6 switch connector and reset the power window motor.
    4. Measure the voltage according to the value (s) in the table below.

    Standard voltage 

    VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    U (H6-4) - Body ground G - Body ground Power window motor UP output Power switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    D (H6-1) - Body ground Y - Body ground Power window motor DOWN output Power switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0 V → 10 to 14 V

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

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR LH) 
    Fig 3: Identifying K1 Switch Connector Terminal
    G04981063Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K1 switch connector.
    2. Measure the voltage according to the value (s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (K1-3) - Body ground R - Body ground Power supply Power switch on (IG) 10 to 14 V

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

    3. Reconnect the K1 switch connector and reset the power window motor.
    4. Measure the voltage according to the value (s) in the table below.

    Standard voltage 

    VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    U (K1-4) - Body ground V - Body ground Power window motor UP output Power switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    D (K1-1) - Body ground R - Body ground Power window motor DOWN output Power switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0 V → 10 to 14 V

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

  4. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (REAR RH) 
    Fig 4: Identifying J1 Switch Connector Terminals
    G04981064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J1 switch connector.
    2. Measure the voltage according to the value (s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (J1-3) - Body ground R - Body ground Power supply Power switch on (IG) 10 to 14 V

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

    3. Reconnect the J1 switch connector and reset the power window motor.
    4. Measure the voltage according to the value (s) in the table below.

    Standard voltage 

    VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    U (J1-4) - Body ground V-Body ground Power window motor UP output Power switch on (IG), front passenger side power window switch OFF → UP (Manual operation) 0 V → 10 to 14 V
    D (J1-1) - Body ground R - Body ground Power window motor DOWN output Power switch on (IG), front passenger side power window switch OFF → DOWN (Manual operation) 0 V → 10 to 14 V

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

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.