Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001B6E004X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU; 2007 MY LX470 [08/2006 -        ]

TERMINALS OF ECU

1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

(a) Measure the voltage of the switch connector.

Symbols (Terminal No.)

Wiring Color

Condition

Specified Condition

GND (P15-2) - Body ground

W-B - Body ground

Always

Below 1 V

UP (P15-1) - GND (P15-2)

Y - W-B

Driver side power window does not operate

Below 1 V

Driver side power window moves upward

10 to 14 V

KL (P15-4) - KEYE (P15-3)

L-W - W-B

Door key lock and unlock switch is in LOCK position

Below 1 V

Door key lock and unlock switch is in OFF position

10 to 14 V

LMT (P15-5) - SGND (P15-13)

L-Y - BR-B

Except window full-close position

Below 1 V

Window full-close position

10 to 14 V

WLSW (P15-6) - GND (P15-2)

Y-B - W-B

Window lock switch OFF

10 to 14 V

Window lock switch ON

Below 1 V

MPX1 (P15-7)

B

Multiplex communication circuit

-

CPUB (P15-9) - GND (P15-2)

L-W - W-B

Always

10 to 14 V

BDR (P15-10) - GND (P15-2)

L - W-B

Always

10 to 14 V

DN (P15-11) - GND (P15-2)

G - W-B

Driver side power window does not operate

Below 1 V

Driver side power window moves downward

10 to 14 V

KUL (P15-14) - KEYE (P15-3)

G-B - W-B

Door key lock and unlock switch is in OFF position

10 to 14 V

Door key lock and unlock switch is in UNLOCK position

Below 1 V

PLS (P15-15) - SGND (P15-13)

L-W - BR-B

During power window operation

Pulse generation

Power window is not operated (pulse switch ON)

Below 1 V

Power window is not operated (pulse switch OFF)

10 to 14 V

LSWD (P15-16) - KEYE (P15-3)

L-B - W-B

Driver door lock position switch ON

10 to 14 V

Driver door lock position switch OFF

Below 1 V

SIG (P15-20) - GND (P15-2)

B-W - W-B

Ignition switch ON

10 to 14 V

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

2. CHECK FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

(a) Measure the voltage of the switch connector.

Symbols (Terminal No.)

Wiring Color

Condition

Specified Condition

GND (P12-7) - Body ground

W-B - Body ground

Always

Below 1 V

DN (P12-1) - GND (P12-7)

G - W-B

Front passenger side power window does not operate

Below 1 V

Front passenger side power window moves downward

10 to 14 V

LMT (P12-3) - SGND (P12-5)

L-Y - BR-B

Except window full-close position

Below 1 V

Window full-close position

10 to 14 V

PLS (P12-4) - SGND (P12-5)

L-W - BR-B

During power window operation

Below 1 V

Power window is not operated (pulse switch ON)

10 to 14 V

Power window is not operated (pulse switch OFF)

Below 1 V

UP (P12-6) - GND (P12-7)

Y - W-B

Front passenger side power window is not operating

Below 1 V

Front passenger side power window is moving upward

10 to 14 V

MPX1 (P12-8)

W

Multiplex communication circuit

-

SEL1 (P12-9) - GND (P12-7)

W-B - W-B

Always

Below 1 V

PCT (P12-11) - GND (P12-7)

Y-B - W-B

Ignition switch ON, power window lock switch OFF

Below 1 V

Ignition switch ON, power window lock switch ON

10 to 14 V

BDR (P12-12) - GND (P12-7)

L - W-B

Always

10 to 14 V

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

3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

(a) Measure the voltage of the switch connector.

Symbols (Terminal No.)

Wiring Color

Condition

Specified Condition

GND (P13-7) - Body ground

W-B - Body ground

Always

Below 1 V

D (P13-1) - GND (P13-7)

G - W-B

Rear power window LH does not operate

Below 1 V

Rear power window LH moves downward

10 to 14 V

LMT (P13-3) - SGND (P13-5)

L-Y - BR-B

Except window full-closed position

Below 1 V

Window full-closed position

10 to 14 V

PLS (P13-4) - SGND (P13-5)

L-W - BR-B

During power window operation

Below 1 V

Power window is not operated (pulse switch ON)

10 to 14 V

Power window is not operated (pulse switch OFF)

Below 1 V

U (P13-6) - GND (P13-7)

Y - W-B

Rear power window LH is not operating

Below 1 V

Rear power window LH is moving upward

10 to 14 V

MPX1 (P13-8)

W

Multiplex communication circuit

-

SEL2 (P13-10) - GND (P13-7)

W-B - W-B

Always

Below 1 V

PCTI (P13-11) - GND (P13-7)

Y-B - W-B

Ignition switch ON, power window lock switch OFF

Below 1 V

Ignition switch ON, power window lock switch ON

10 to 14 V

BDR (P13-12) - GND (P13-7)

L - W-B

Always

10 to 14 V

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

4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

(a) Measure the voltage of the switch connector.

Symbols (Terminal No.)

Wiring Color

Condition

Specified Condition

GND (P14-7) - Body ground

W-B - Body ground

Always

Below 1 V

D (P14-1) - GND (P14-7)

G - W-B

Rear power window RH does not operate

Below 1 V

Rear power window RH moves downward

10 to 14 V

LMT (P14-3) - SGND (P14-5)

L-Y - BR-B

Except window full-closed position

Below 1 V

Window full-closed position

10 to 14 V

PLS (P14-4) - SGND (P14-5)

L-W - BR-B

During power window operation

Below 1 V

Power window is not operated (pulse switch ON)

10 to 14 V

Power window is not operated (pulse switch OFF)

Below 1 V

U (P14-6) - GND (P14-7)

Y - W-B

Rear power window RH is not operating

Below 1 V

Rear power window RH is moving upward

10 to 14 V

MPX1 (P14-8)

W

Multiplex communication circuit

-

PCTI (P14-11) - GND (P14-7)

Y-B - W-B

Ignition switch ON, power window lock switch OFF

Below 1 V

Ignition switch ON, power window lock switch ON

10 to 14 V

BDR (P14-12) - GND (P14-7)

L - W-B

Always

10 to 14 V

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