POWER WINDOW CONTROL SYSTEM (for Models with Jam Protection Function on Front Door Windows) TERMINALS OF ECU


  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

    B000KEVE40

    1. Disconnect the K15 power window regulator master switch assembly connector.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K15-3 (B) - K15-1 (GND) R - W-B Power supply Always 11 to 14 V
      K15-13 (PWS) - K15-1 (GND) LG - W-B Power supply Engine switch on (IG) 11 to 14 V
      K15-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the K15 power window regulator master switch assembly connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K15-5 (DOWN) - K15-1 (GND) V - W-B Power window motor down output Engine switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      K15-5 (DOWN) - K15-1 (GND) V - W-B Power window motor down output Engine switch on (IG), driver door power window moving, power window regulator master switch assembly pushed halfway down (Manual operation) Below 1 V
      K15-4 (UP) - K15-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator master switch assembly not pushed or pulled 11 to 14 V
      K15-4 (UP) - K15-1 (GND) L - W-B Power window motor up output Engine switch on (IG), driver door power window moving, power window regulator master switch assembly pulled halfway up (Manual operation) Below 1 V
      K15-12 (RLU) - K15-1 (GND) L - W-B Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for LH door) off Below 1 V
      K15-12 (RLU) - K15-1 (GND) L - W-B Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for LH door) up (Manual operation) 11 to 14 V
      K15-15 (RLD) - K15-1 (GND) B - W-B Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for LH door) off Below 1 V
      K15-15 (RLD) - K15-1 (GND) B - W-B Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for LH door) down (Manual operation) 11 to 14 V
      K15-10 (RRU) - K15-1 (GND) Y - W-B Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for RH door) off Below 1 V
      K15-10 (RRU) - K15-1 (GND) Y - W-B Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for RH door) up (Manual operation) 11 to 14 V
      K15-16 (RRD) - K15-1 (GND) LG - W-B Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for RH door) off Below 1 V
      K15-16 (RRD) - K15-1 (GND) LG - W-B Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for RH door) down (Manual operation) 11 to 14 V

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

    B000JSCE08

    1. Disconnect the J12 power window regulator switch assembly connector.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J12-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the J12 power window regulator switch assembly connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J12-2 (IG) - J12-7 (GND) R - W-B IG power supply Engine switch on (IG) 11 to 14 V
      J12-2 (IG) - J12-7 (GND) R - W-B IG power supply Engine switch off Below 1 V
      J12-5 (UP) - J12-7 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J12-5 (UP) - J12-7 (GND) L - W-B Power window motor up output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      J12-5 (UP) - J12-7 (GND) L - W-B Power window motor up output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      J12-5 (UP) - J12-7 (GND) L - W-B Power window motor up output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J12-5 (UP) - J12-7 (GND) L - W-B Power window motor up output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      J12-4 (DOWN) - J12-7 (GND) V - W-B Power window motor down output Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J12-4 (DOWN) - J12-7 (GND) V - W-B Power window motor down output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      J12-4 (DOWN) - J12-7 (GND) V - W-B Power window motor down output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      J12-4 (DOWN) - J12-7 (GND) V - W-B Power window motor down output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J12-4 (DOWN) - J12-7 (GND) V - W-B Power window motor down output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      J12-8 (AUTO) - J12-7 (GND) Y - W-B Power window motor auto up output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      J12-8 (AUTO) - J12-7 (GND) Y - W-B Power window motor auto up output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J12-8 (AUTO) - J12-7 (GND) Y - W-B Power window motor auto up output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      J12-8 (AUTO) - J12-7 (GND) Y - W-B Power window motor auto down output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      J12-8 (AUTO) - J12-7 (GND) Y - W-B Power window motor auto down output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J12-8 (AUTO) - J12-7 (GND) Y - W-B Power window motor auto down output Engine switch on (IG), front passenger door power window fully open 11 to 14 V

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR)

    B000J9WE05

    1. Disconnect the M7 rear power window regulator switch assembly (for LH door) connector.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M7-2 (B) - Body ground G - Body ground Power supply Engine switch on (IG) 11 to 14 V

    3. Reconnect the M7 rear power window regulator switch assembly (for LH door) connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M7-7 (U) - Body ground B - Body ground Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for LH door) off Below 1 V
      M7-7 (U) - Body ground B - Body ground Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for LH door) up (Manual operation) 11 to 14 V
      M7-1 (D) - Body ground R - Body ground Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for LH door) off Below 1 V
      M7-1 (D) - Body ground R - Body ground Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for LH door) down (Manual operation) 11 to 14 V

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR RH DOOR)

    B000J9WE06

    1. Disconnect the L7 rear power window regulator switch assembly (for RH door) connector.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L7-2 (B) - Body ground G - Body ground Power supply Engine switch on (IG) 11 to 14 V

    3. Reconnect the L7 rear power window regulator switch assembly (for RH door) connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L7-7 (U) - Body ground B - Body ground Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for RH door) off Below 1 V
      L7-7 (U) - Body ground B - Body ground Power window motor up output Engine switch on (IG), rear power window regulator switch assembly (for RH door) up (Manual operation) 11 to 14 V
      L7-1 (D) - Body ground R - Body ground Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for RH door) off Below 1 V
      L7-1 (D) - Body ground R - Body ground Power window motor down output Engine switch on (IG), rear power window regulator switch assembly (for RH door) down (Manual operation) 11 to 14 V

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR)

    B000L8FE38

    1. Disconnect the K9 power window regulator motor assembly (for driver door) connector.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K9-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      K9-2 (B) - Body ground W - Body ground Power supply Always 11 to 14 V

    3. Reconnect the K9 power window regulator motor assembly (for driver door) connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K9-7 (DOWN) - K9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), power window regulator master switch assembly not pushed or pulled 11 to 14 V
      K9-7 (DOWN) - K9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), driver door power window moving, power window regulator master switch assembly pushed halfway down (Manual operation) Below 1 V
      K9-7 (DOWN) - K9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), driver door power window fully closed 11 to 14 V
      K9-7 (DOWN) - K9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), driver door power window moving, power window regulator master switch assembly fully pushed down (Auto operation) Below 1 V
      K9-7 (DOWN) - K9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), driver door power window fully open 11 to 14 V
      K9-10 (UP) - K9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator master switch assembly not pushed or pulled 11 to 14 V
      K9-10 (UP) - K9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), driver door power window moving, power window regulator master switch assembly pulled halfway up (Manual operation) Below 1 V
      K9-10 (UP) - K9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator master switch assembly fully open 11 to 14 V
      K9-10 (UP) - K9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), driver door power window moving, power window regulator master switch assembly fully pulled up (Auto operation) Below 1 V
      K9-10 (UP) - K9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), driver door power window fully closed 11 to 14 V

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR)

    B000L8FE41

    1. Disconnect the J9 power window regulator motor assembly (for front passenger door) connector.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J9-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J9-2 (B) - Body ground GR - Body ground Power supply Always 11 to 14 V

    3. Reconnect the J9 power window regulator motor assembly (for front passenger door) connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J9-5 (IG) - J9-1 (GND) R - W-B IG power supply Engine switch on (IG) 11 to 14 V
      J9-5 (IG) - J9-1 (GND) R - W-B IG power supply Engine switch off Below 1 V
      J9-4 (AUTO) - J9-1 (GND) Y - W-B Power window motor auto up input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      J9-4 (AUTO) - J9-1 (GND) Y - W-B Power window motor auto up input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J9-4 (AUTO) - J9-1 (GND) Y - W-B Power window motor auto up input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      J9-4 (AUTO) - J9-1 (GND) Y - W-B Power window motor auto down input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      J9-4 (AUTO) - J9-1 (GND) Y - W-B Power window motor auto down input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J9-4 (AUTO) - J9-1 (GND) Y - W-B Power window motor auto down input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      J9-7 (DOWN) - J9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J9-7 (DOWN) - J9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      J9-7 (DOWN) - J9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      J9-7 (DOWN) - J9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      J9-7 (DOWN) - J9-1 (GND) V - W-B Power window motor down input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      J9-10 (UP) - J9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      J9-10 (UP) - J9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      J9-10 (UP) - J9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      J9-10 (UP) - J9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      J9-10 (UP) - J9-1 (GND) L - W-B Power window motor up input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V

  7. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    B000NPEE25

    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly Click here.

    2. Reconnect the instrument panel junction block assembly connectors.

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

      Tech Tips

      Measure the values on the wire harness side with the connectors disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      MB-11 (GND1) - Body ground - Ground Always Below 1 Ω
      MB-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      I12-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      MB-29 (ACC) - Body ground - ACC power supply Engine switch on (ACC) 11 to 14 V
      MB-29 (ACC) - Body ground - ACC power supply Engine switch off Below 1 V
      MB-31 (ALTB) - Body ground - Battery power supply Always 11 to 14 V
      MB-32 (IG) - Body ground - Engine switch power supply Engine switch on (IG) 11 to 14 V
      MB-32 (IG) - Body ground - Engine switch power supply Engine switch off Below 1 V

    4. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly Click here.

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

    6. Check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      3C-15 (FLCY) - Body ground L - Body ground Front door courtesy switch LH input Front door LH open Below 1 V
      3C-15 (FLCY) - Body ground L - Body ground Front door courtesy switch LH input Front door LH closed 11 to 14 V
      I13-19 (FRCY) - Body ground SB - Body ground Front door courtesy switch RH input Front door RH open Below 1 V
      I13-19 (FRCY) - Body ground SB - Body ground Front door courtesy switch RH input Front door RH closed 11 to 14 V