Power Window Control System (For Hatchback) Terminals Of Ecu

Vehicle Exterior. Yaris. Ncp93, 131
Window Glass. Yaris. Ncp93, 131

  1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

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

  1. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

  1. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

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

Power Window Control System (For Hatchback) -- Terminals Of Ecu



POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

Yaris. Ncp93, 131.Window Glass.Power Window Control System (For Sedan).Power Window Control System (For Hatchback) Terminals Of Ecu

  1. Disconnect the G20 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
    G20-6 (B) - G20-1 (E)
    		GR - W-B
    		Power supply
    		Ignition switch ON
    		11 to 14 V
    G20-1 (E) - 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
    G20-15 (B) - G20-7 (E)
    		GR - W-B
    		Power supply
    		Ignition switch ON
    		11 to 14 V
    G20-7 (E) - 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 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
    G20-3 (U) - G20-1 (E)
    		LA-R - W-B
    		Power window motor UP operation
    		Ignition switch ON, driver door power window switch OFF → UP
    		11 to 14 V → Below 1 V
    G20-4 (D) - G20-1 (E)
    		LA-G - W-B
    		Power window motor DOWN operation
    		Ignition switch ON, driver door power window switch OFF → DOWN (Manual operation)
    		11 to 14 V → Below 1 V
    Power window motor AUTO DOWN operation
    		Ignition switch ON, 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

    w/o Rear Power Window
    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G20-10 (U) - G20-7 (E)
    		LA-R - W-B
    		Power window motor UP operation
    		Ignition switch ON, driver door power window switch OFF → UP (Manual operation)
    		11 to 14 V → Below 1 V
    G20-12 (D) - G20-7 (E)
    		LA-G - W-B
    		Power window motor DOWN operation
    		Ignition switch ON, driver door power window switch OFF → DOWN (Manual operation)
    		11 to 14 V → Below 1 V
    Power window motor AUTO DOWN operation
    		Ignition switch ON, 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
    If the result is not as specified, the power window regulator master switch assembly may have a malfunction.

CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (FRONT PASSENGER SIDE)

Yaris. Ncp93, 131.Window Glass.Power Window Control System (For Sedan).Power Window Control System (For Hatchback) Terminals Of Ecu

  1. Disconnect the F20 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
    F20-3 (B) - Body ground
    		L - Body ground
    		Power supply
    		Ignition switch ON
    		11 to 14 V
    F20-5 (SU) - Body ground
    		W - Body ground
    		Ground
    		Always
    		Below 1 Ω
    F20-2 (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 F20 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
    F20-4 (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
    F20-1 (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.

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

Yaris. Ncp93, 131.Window Glass.Power Window Control System (For Sedan).Power Window Control System (For Hatchback) Terminals Of Ecu

  1. Disconnect the H10 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
    H10-3 (B) - Body ground
    		LA-SB - Body ground
    		Power supply
    		Ignition switch ON
    		11 to 14 V
    H10-5 (SU) - Body ground
    		LA-R - Body ground
    		Ground
    		Always
    		Below 1 Ω
    H10-2 (SD) - Body ground
    		LA-G - Body ground
    		Ground
    		Always
    		Below 1 Ω

  3. Reconnect the H10 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
    H10-4 (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
    H10-1 (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.

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

Yaris. Ncp93, 131.Window Glass.Power Window Control System (For Sedan).Power Window Control System (For Hatchback) Terminals Of Ecu

  1. Disconnect the R1 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
    R1-3 (B) - Body ground
    		LA-SB - Body ground
    		Power supply
    		Ignition switch ON
    		11 to 14 V
    R1-5 (SU) - Body ground
    		LA-R - Body ground
    		Ground
    		Always
    		Below 1 Ω
    R1-2 (SD) - Body ground
    		LA-G - Body ground
    		Ground
    		Always
    		Below 1 Ω

  3. Reconnect the R1 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
    R1-4 (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
    R1-1 (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.

CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU

Yaris. Ncp93, 131.Window Glass.Power Window Control System (For Sedan).Power Window Control System (For Hatchback) Terminals Of Ecu


Text in Illustration
*A
Main Body ECU 1 Connector Type
-
-
*1
Instrument Panel Junction Block Assembly
*2
Main Body ECU

Yaris. Ncp93, 131.Window Glass.Power Window Control System (For Sedan).Power Window Control System (For Hatchback) Terminals Of Ecu


Text in Illustration
*A
Main Body ECU 2 Connector Type
-
-
*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
    		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
    D143-2 (KOFF) - Body ground
    		L - Body ground
    		Power window relay operation signal
    		Ignition switch ON
    		11 to 14 V
    Approximately 45 seconds after ignition switch turned off
    		Below 1 V
    D143-19 (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
    HINT:
    If the result is not as specified, the main body ECU or instrument panel junction block assembly may have a malfunction.