POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU


  1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY


    1. for LHD

      A01V17WE04

      1. Disconnect the H1 power window regulator master switch assembly connector.

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

        w/ Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H1-6 (B) - H1-1 (GND) GR - W-B Power supply Ignition switch ON (IG) 11 to 14 V
        H1-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
        w/o Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H1-15 (B) - H1-7 (GND) GR - W-B Power supply Ignition switch ON (IG) 11 to 14 V
        H1-7 (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 H1 power window regulator master switch assembly connector.

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

        w/ Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H1-8 (UP) - H1-1 (GND) R - W-B Power window motor UP operation Ignition switch ON (IG), driver door power window switch OFF → UP (Manual operation) 11 to 14 V → Below 1 V
        H1-5 (DOWN) - H1-1 (GND) G - W-B Power window motor DOWN operation Ignition switch ON (IG), driver door power window switch OFF → DOWN (Manual operation) 11 to 14 V → Below 1 V
        H1-4 (AUTO) - H1-1 (GND) R - W-B Power window motor AUTO operation Ignition switch ON (IG), driver side door glass fully opened → driver side power window AUTO UP operation → driver side door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
        Ignition switch ON (IG), driver side door glass fully closed → driver side power window AUTO DOWN operation → driver side door glass fully opened 11 to 14 V → Below 1 V → 11 to 14 V
        H1-3 (LED) - H1-1 (GND) W - W-B LED illumination signal Ignition switch ON (IG) 11 to 14 V
        Ignition switch off Below 1 V
        w/o Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H1-18 (UP) - H1-7 (GND) R - W-B Power window motor UP operation Ignition switch ON (IG), driver door power window switch OFF → UP (Manual operation) 11 to 14 V → Below 1 V
        H1-10 (DOWN) - H1-7 (GND) G - W-B Power window motor DOWN operation Ignition switch ON (IG), driver door power window switch OFF → DOWN (Manual operation) 11 to 14 V → Below 1 V
        H1-1 (AUTO) - H1-7 (GND) R - W-B Power window motor AUTO operation Ignition switch ON (IG), driver side door glass fully opened → driver side power window AUTO UP operation → driver side door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
        Ignition switch ON (IG), driver side door glass fully closed → driver side power window AUTO DOWN operation → driver side door glass fully opened 11 to 14 V → Below 1 V → 11 to 14 V
        H1-6 (LED) - H1-7 (GND) W - W-B LED illumination signal Ignition switch ON (IG) 11 to 14 V
        Ignition switch off Below 1 V

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

    2. for RHD

      A01UZMXE03

      1. Disconnect the G1 power window regulator master switch assembly connector.

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

        w/ Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G1-6 (B) - G1-9 (GND) GR - W-B Power supply Ignition switch ON (IG) 11 to 14 V
        G1-9 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
        w/o Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G1-15 (B) - G1-7 (GND) GR - W-B Power supply Ignition switch ON (IG) 11 to 14 V
        G1-7 (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 G1 power window regulator master switch assembly connector.

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

        w/ Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G1-1 (UP) - G1-9 (GND) R - W-B Power window motor UP operation Ignition switch ON (IG), driver door power window switch OFF → UP (Manual operation) 11 to 14 V → Below 1 V
        G1-5 (DOWN) - G1-9 (GND) G - W-B Power window motor DOWN operation Ignition switch ON (IG), driver door power window switch OFF → DOWN (Manual operation) 11 to 14 V → Below 1 V
        G1-4 (AUTO) - G1-9 (GND) R - W-B Power window motor AUTO operation Ignition switch ON (IG), driver side door glass fully opened → driver side power window AUTO UP operation → driver side door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
        Ignition switch ON (IG), driver side door glass fully closed → driver side power window AUTO DOWN operation → driver side door glass fully opened 11 to 14 V → Below 1 V → 11 to 14 V
        G1-3 (LED) - G1-9 (GND) W - W-B LED illumination signal Ignition switch ON (IG) 11 to 14 V
        Ignition switch off Below 1 V
        w/o Rear Power Window
        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G1-9 (UP) - G1-7 (GND) R - W-B Power window motor UP operation Ignition switch ON (IG), driver door power window switch OFF → UP (Manual operation) 11 to 14 V → Below 1 V
        G1-6 (DOWN) - G1-7 (GND) G - W-B Power window motor DOWN operation Ignition switch ON (IG), driver door power window switch OFF → DOWN (Manual operation) 11 to 14 V → Below 1 V
        G1-18 (AUTO) - G1-7 (GND) R - W-B Power window motor AUTO operation Ignition switch ON (IG), driver side door glass fully opened → driver side power window AUTO UP operation → driver side door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
        Ignition switch ON (IG), driver side door glass fully closed → driver side power window AUTO DOWN operation → driver side door glass fully opened 11 to 14 V → Below 1 V → 11 to 14 V
        G1-16 (LED) - G1-7 (GND) W - W-B LED illumination signal Ignition switch ON (IG) 11 to 14 V
        Ignition switch off Below 1 V

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

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (FRONT PASSENGER SIDE)


    1. for LHD

      A01V1DAE03

      1. Disconnect the G2 power window regulator switch assembly (front passenger side) connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G2-3 (B) - Body ground L - Body ground Power supply Ignition switch ON (IG) 11 to 14 V
        G2-5 (SU) - Body ground W - Body ground Ground Always Below 1 Ω
        G2-2 (SD) - Body ground P - 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 G2 power window regulator switch assembly (front passenger side) connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G2-4 (U) - Body ground LA-R - Body ground Power window motor UP operation Front passenger side power window switch OFF → UP Below 1 V → 11 to 14 V
        G2-1 (D) - Body ground LA-G - Body ground Power window motor DOWN operation Front passenger side power window switch OFF → DOWN Below 1 V → 11 to 14 V

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

    2. for RHD

      A01UXQAE03

      1. Disconnect the H2 power window regulator switch assembly (front passenger side) connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H2-3 (B) - Body ground L - Body ground Power supply Ignition switch ON (IG) 11 to 14 V
        H2-5 (SU) - Body ground W - Body ground Ground Always Below 1 Ω
        H2-2 (SD) - Body ground P - 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 H2 power window regulator switch assembly (front passenger side) connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H2-4 (U) - Body ground LA-R - Body ground Power window motor UP operation Front passenger side power window switch OFF → UP Below 1 V → 11 to 14 V
        H2-1 (D) - Body ground LA-G - Body ground Power window motor DOWN operation Front passenger side power window switch OFF → DOWN Below 1 V → 11 to 14 V

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

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH (w/ Rear Power Window)

    A01UZMNE03

    1. Disconnect the J1 rear power window regulator switch assembly LH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J1-3 (B) - Body ground LA-SB - Body ground Power supply Ignition switch ON (IG) 11 to 14 V
      J1-5 (SU) - Body ground LA-R - Body ground Ground Always Below 1 Ω
      J1-2 (SD) - Body ground LA-G - Body ground Ground Always Below 1 Ω

    3. Reconnect the J1 rear power window regulator switch assembly LH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J1-4 (U) - Body ground LA-Y - Body ground Power window motor UP operation Front passenger side power window switch OFF → UP Below 1 V → 11 to 14 V
      J1-1 (D) - Body ground LA-B - Body ground Power window motor DOWN operation Front passenger side power window switch OFF → DOWN Below 1 V → 11 to 14 V

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

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH (w/ Rear Power Window)

    A01UXI0E03

    1. Disconnect the I1 rear power window regulator switch assembly RH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I1-3 (B) - Body ground LA-SB - Body ground Power supply Ignition switch ON (IG) 11 to 14 V
      I1-5 (SU) - Body ground LA-R - Body ground Ground Always Below 1 Ω
      I1-2 (SD) - Body ground LA-G - Body ground Ground Always Below 1 Ω

    3. Reconnect the I1 rear power window regulator switch assembly RH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I1-4 (U) - Body ground LA-Y - Body ground Power window motor UP operation Front passenger side power window switch OFF → UP Below 1 V → 11 to 14 V
      I1-1 (D) - Body ground LA-B - Body ground Power window motor DOWN operation Front passenger side power window switch OFF → DOWN Below 1 V → 11 to 14 V

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

  5. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY (DRIVER SIDE)


    1. for LHD

      A01UZXYE03

      1. Disconnect the H3 front door window regulator assembly LH connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H3-2 (B) - H3-1 (GND) G - W-B Power supply Always 11 to 14 V
        H3-1 (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 H3 front door window regulator assembly LH connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        H3-10 (UP) - H3-1 (GND) R - W-B Power window motor UP operation Ignition switch ON (IG), driver door power window switch OFF → UP (Manual operation) 11 to 14 V → Below 1 V
        H3-7 (DOWN) - H3-1 (GND) G - W-B Power window motor DOWN operation Ignition switch ON (IG), driver door power window switch OFF → DOWN (Manual operation) 11 to 14 V → Below 1 V
        H3-4 (AUTO) - H3-1 (GND) R - W-B Power window motor AUTO operation Ignition switch ON (IG), driver side door glass fully opened → driver side power window AUTO UP operation → driver side door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
        Ignition switch ON (IG), driver side door glass fully closed → driver side power window AUTO DOWN operation → driver side door glass fully opened 11 to 14 V → Below 1 V → 11 to 14 V
        H3-5 (LED) - H3-1 (GND) W - W-B LED illumination signal Ignition switch ON (IG) 11 to 14 V
        Ignition switch off Below 1 V

        If the result is not as specified, the front door window regulator assembly LH may have a malfunction.

    2. for RHD

      A01V1TRE03

      1. Disconnect the G3 front door window regulator assembly RH connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G3-2 (B) - G3-1 (GND) G - W-B Power supply Always 11 to 14 V
        G3-1 (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 G3 front door window regulator assembly RH connector.

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

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        G3-10 (UP) - G3-1 (GND) R - W-B Power window motor UP operation Ignition switch ON (IG), driver door power window switch OFF → UP (Manual operation) 11 to 14 V → Below 1 V
        G3-7 (DOWN) - G3-1 (GND) G - W-B Power window motor DOWN operation Ignition switch ON (IG), driver door power window switch OFF → DOWN (Manual operation) 11 to 14 V → Below 1 V
        G3-4 (AUTO) - G3-1 (GND) R - W-B Power window motor AUTO operation Ignition switch ON (IG), driver side door glass fully opened → driver side power window AUTO UP operation → driver side door glass fully closed 11 to 14 V → Below 1 V → 11 to 14 V
        Ignition switch ON (IG), driver side door glass fully closed → driver side power window AUTO DOWN operation → driver side door glass fully opened 11 to 14 V → Below 1 V → 11 to 14 V
        G3-5 (LED) - G3-1 (GND) W - W-B LED illumination signal Ignition switch ON (IG) 11 to 14 V
        Ignition switch off Below 1 V

        If the result is not as specified, the front door window regulator assembly RH may have a malfunction.

  6. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU

    A01UY4PE03
    Text in Illustration
    *1 Instrument Panel Junction Block Assembly *2 Main Body ECU

    1. Remove the main body ECU.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      MB-11 (GND1) - Body ground - Ground Always Below 1 Ω
      MB-29 (ACC) - Body ground - Ignition power supply (ACC signal) Ignition switch ACC 11 to 14 V
      MB-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      MB-32 (IG)- Body ground - Ignition power supply (IG signal) Ignition switch ON (IG) 11 to 14 V

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

    3. Reinstall the main body ECU.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F57-2 (KOFF) - Body ground L - Body ground Power window relay operation signal Ignition switch ON (IG) 11 to 14 V
      Approximately 45 seconds after ignition switch turned off Below 1 V
      F57-19 (FRCY) - Body ground Y - Body ground Front door courtesy light switch RH signal Front door RH opened Below 1 V
      Front door RH closed Pulse generation
      3D-36 (FLCY) - Body ground L - Body ground Front door courtesy light switch LH signal Front door LH opened Below 1 V
      Front door LH closed Pulse generation
      3B-12 (LIN2) - Body ground W - Body ground LIN communication signal Ignition switch ON (IG) Pulse generation

      Tech Tips

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