Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Front Power Window LH Circuit Inspection (With Automatic Close)
- CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
- Turn ignition switch ON.
- Check voltage between main power window and door lock/unlock switch connector and ground.CONNECTOR TERMINAL VOLTAGE SPECIFICATION
Connector Terminals Condition Voltage (V) (Approx.) (+) (-) D5 16 Ground UP 0 DOWN Battery voltage 12 UP Battery voltage DOWN 0
OK or NG
OK: GO TO 2.
Replace main power window and door lock/unlock switch. Refer to REMOVAL AND INSTALLATION .
- CHECK POWER WINDOW MOTOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect main power window and door lock/unlock switch and front power window motor LH.
- Check continuity between main power window and door lock/unlock switch connector D5 (A) terminals 6, 7 and front power window motor LH connector D8 (B) terminals 1, 3.
16 - 3 : Continuity should exist.
12 - 1 : Continuity should exist.
- Check continuity between main power window and door lock/unlock switch connector (A) terminals 6, 7 and ground.
16 - Ground : Continuity should not exist.
12 - Ground : Continuity should not exist.
OK or NG
OK: Replace front power window motor LH. Refer to REMOVAL AND INSTALLATION
NG: Repair or replace harness.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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