POWER WINDOW CONTROL SYSTEM Power Windows do not Operate at All

DESCRIPTION

If all of the power windows do not operate, the power window regulator master switch assembly may have no power or may be malfunctioning.

WIRING DIAGRAM

A01E2QGE04

INSPECTION PROCEDURE

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - BATTERY AND BODY GROUND)


    1. except Double Cab, w/o Jam Protection:


      1. A01DYM2E01
        Text in Illustration
        *A for LHD
        *B for RHD
        *a

        Front view of wire harness connector

        (to Power Window Regulator Master Switch Assembly)

        Disconnect the P4 power window regulator master switch assembly connector.

      2. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        for LHD
        Tester Connection Switch Condition Specified Condition
        P4-9 (B) - Body ground Ignition switch ON 11 to 14 V
        P4-9 (B) - Body ground Ignition switch off Below 1 V
        for RHD
        Tester Connection Switch Condition Specified Condition
        P4-9 (B) - Body ground Ignition switch ON 11 to 14 V
        P4-9 (B) - Body ground Ignition switch off Below 1 V

      3. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        for LHD
        Tester Connection Condition Specified Condition
        P4-1 (E) - Body ground Always Below 1 Ω
        for RHD
        Tester Connection Condition Specified Condition
        P4-10 (E) - Body ground Always Below 1 Ω

    2. for Double Cab, w/o Jam Protection:


      1. A01DYPME18
        Text in Illustration
        *a

        Front view of wire harness connector

        (to Power Window Regulator Master Switch Assembly)

        Disconnect the P4 power window regulator master switch assembly connector.

      2. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Switch Condition Specified Condition
        P4-6 (B) - Body ground Ignition switch ON 11 to 14 V
        P4-6 (B) - Body ground Ignition switch off Below 1 V

      3. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Tester Connection Condition Specified Condition
        P4-3 (E) - Body ground Always Below 1 Ω

    3. w/ Jam Protection:


      1. A01DYPME14
        Text in Illustration
        *a

        Front view of wire harness connector

        (to Power Window Regulator Master Switch Assembly)

        Disconnect the P4 power window regulator master switch assembly connector.

      2. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Condition Specified Condition
        P4-7 (BW) - Body ground Always 11 to 14 V
        P4-6 (B) - Body ground Ignition switch ON 11 to 14 V
        P4-6 (B) - Body ground Ignition switch off Below 1 V

      3. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Tester Connection Condition Specified Condition
        P4-1 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY