LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Highlander Hybrid >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS (Hybrid) >> Power Window Control System >> Terminals Of Ecu
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Terminals Of Ecu

  1. CHECK POWER WINDOW ECU (DRIVER SIDE) 
    Fig 1: Identifying H1 Connector Terminals
    G05421105Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H1 switch connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard resistance 

    TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

    Tester Connection Wiring Color Terminal Description Condition Specified Condition
    H1-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    Standard voltage 

    TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

    Tester Connection Wiring Color Terminal Description Condition Specified Condition
    H1-2 (B) - Body ground SB - Body ground Power Supply Always 11 to 14 V

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

  2. CHECK POWER WINDOW MASTER SWITCH 
    Fig 2: Identifying Power Window Master Switch Connector Terminals
    G05421106Courtesy 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 

      TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M1-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

      Standard voltage 

      TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M1-6 (B) - M1-1 (E) B - W-B Power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

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

    3. Reconnect the M1 switch connectors.
    4. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

    TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

    Tester Connection Wiring Color Terminal Description Condition Specified Condition
    M1-16 (U) - M1-1 (E) W - W-B Power window motor UP output Power switch on (IG), front passenger side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V
    M1-15 (D) - M1-1 (E) SB - W-B Power window motor DOWN output Power switch on (IG), front passenger side power window switch OFF Below 1 V
    Power window switch DOWN (Manual operation) 11 to 14 V
    M1-12 (U) - M1-1 (E) L - W-B Power window motor UP output Power switch on (IG), rear LH side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V
    M1-13 (D) - M1-1 (E) O - W-B Power window motor DOWN output Power switch on (IG), rear LH side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V
    M1-10 (U) - M1-1 (E) Y - W-B Power window motor UP output Power switch on (IG), rear RH side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V
    M1-18 (D) - M1-1 (E) LG - W-B Power window motor DOWN output Power switch on (IG), rear RH side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V

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

  3. CHECK POWER WINDOW SWITCH (FRONT PASSENGER) 
    Fig 3: Identifying Power Window Switch Connector Terminals (Front Passenger)
    G05421107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the G7 switch connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G7-3 (B) - Body ground O - Body ground Power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

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

    3. Reconnect the G7 switch connector.
    4. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

    TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

    Tester Connection Wiring Color Terminal Description Condition Specified Condition
    G7-4 (U) - Body ground G - Body ground Power window motor UP output Power switch on (IG), front passenger side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V
    G7-1 (D) - Body ground Y - Body ground Power window motor DOWN output Power switch on (IG), front passenger side power window switch OFF Below 1 V
    Power window switch DOWN (Manual operation) 11 to 14 V

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

  4. CHECK POWER WINDOW SWITCH (REAR LH) 
    Fig 4: Identifying Power Window Switch Connector Terminals (Rear LH)
    G05421108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K2 switch connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K2-3 (B) - Body ground G - Body ground Power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

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

    3. Reconnect the K2 switch connector.
    4. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

    TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

    Tester Connection Wiring Color Terminal Description Condition Specified Condition
    K2-4 (U) - Body ground V - Body ground Power window motor UP output Power switch on (IG), rear LH side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V
    K2-1 (D) - Body ground SB - Body ground Power window motor DOWN output Power switch on (IG), rear LH side power window switch OFF Below 1 V
    Power window switch DOWN (Manual operation) 11 to 14 V

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

  5. CHECK POWER WINDOW SWITCH (REAR RH) 
    Fig 5: Identifying Power Window Switch Connector Terminals (Rear RH)
    G05421109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J2 switch connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J2-3 (B) - Body ground SB - Body ground Power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

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

    3. Reconnect the J2 switch connector.
    4. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

    TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE

    Tester Connection Wiring Color Terminal Description Condition Specified Condition
    J2-4 (U) - Body ground V - Body ground Power window motor UP output Power switch on (IG), rear RH side power window switch OFF Below 1 V
    Power window switch UP (Manual operation) 11 to 14 V
    J2-1 (D) - Body ground R - Body ground Power window motor DOWN output Power switch on (IG), rear RH side power window switch OFF Below 1 V
    Power window switch DOWN (Manual operation) 11 to 14 V

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

scientia non olet · About LEMON Manuals