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HOMESERVICE MANUALSTOYOTA2006TACOMA BASE, 4D PICKUP, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSWINDSHIELD/WINDOW GLASSPOWER WINDOW CONTROL SYSTEMPOWER WINDOWS DO NOT OPERATE AT ALLINSPECTION PROCEDURE
2006 Toyota Tacoma Base, 4D Pickup, Standard

Inspection Procedure

2006 Toyota Tacoma Base, 4D Pickup, StandardSECTION Inspection Procedure
  1. INSPECT FUSE (D FR P/W, IG1 NO.2, ECU-B, AM1, J/B) 
    1. Remove the D FR P/W and IG1 No.2 fuses from the driver side J/B.
    2. Remove the ECU-B, AM1 and J/B fuses from the engine room R/B.
    3. Measure the resistance.

      Standard resistance: Below 1  

    4. Reinstall the D FR P/W and IG1 No.2 fuses.
    5. Reinstall the ECU-B, AM1 and J/B fuses.

    NG: REPLACE FUSE 

    OK: Go to Next Step 

  2. INSPECT RELAY (P/W) 
    1. Remove the P/W relay from the driver side J/B.
    2. Measure the resistance.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      3 - 5 10 k or higher
      3 - 5 Below 1
      (when battery voltage is applied to terminals 1 and 2)
    3. Reinstall the P/W relay.
      Fig 1: Inspecting Relay (P/W)
      G04412863Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE RELAY 

    OK: Go to Next Step 

  3. CHECK HARNESS AND CONNECTOR (FOR POWER SOURCE OF DRIVER SIDE J/B ASSEMBLY) 
    1. Disconnect the 1A, 1C, and 1H driver side J/B connectors.
    2. Measure the voltage and resistance.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      1A-6 - Body ground Constant 10 to 14 V
      1C-16 (ECU-B) - Body ground Constant 10 to 14 V
      1A-4 (IG) - Body ground Ignition switch ON 10 to 14 V

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      1H-18 (GND) - Body ground Constant Below 1
    3. Reconnect the driver side J/B connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Identifying 1A, 1H & 1C Connector Terminals
    G04412864Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  4. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - BODY GROUND) 
    1. Disconnect the P9 power window regulator master switch connector.
    2. Measure the voltage or resistance.

      Standard voltage: Double cab 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      P9-7 (B) - Body ground Ignition switch ON 10 to 14 V

      Access cab 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      P9-9 (B) - Body ground Ignition switch ON 10 to 14 V
      Fig 3: Identifying P9 Connector Terminals
      G04412865Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance: Double cab 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      P9-1 (E) - Body ground Constant Below 1

      Access cab 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      P9-1 (E) - Body ground Constant Below 1
    3. Reconnect the power window regulator master switch connector.

    OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    Fig 4: Identifying P9 Connector Terminals
    G04412866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to Next Step 

  5. CHECK HARNESS AND CONNECTOR (DRIVER SIDE J/B - POWER WINDOW REGULATOR MASTER SWITCH) 
    1. Disconnect the 1H driver side J/B connectors.
    2. Disconnect the P9 power window regulator master switch connector.
    3. Measure the resistance.

      Standard resistance (Double cab) 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      1H-1 - P9-7 (B) Below 1

      Standard resistance (Access cab) 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      1H-1 - P9-9 (B) Below 1
    4. Reconnect the driver side J/B connector.
      Fig 5: Identifying P9 & 1H Connector Terminals (Double Cab)
      G04412867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Reconnect the power window regulator master switch connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 6: Identifying P9 & 1H Connector Terminals (Access Cab)
    G04412868Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE DRIVER SIDE JUNCTION BLOCK 

RENDER: 1.0x

NO RELATED

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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.