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.
Limit Switch Circuit Check (Driver Side)
- CHECK DRIVER DOOR MAIN SWITCH LIMIT SIGNAL
- Turn ignition switch ON.
- Check voltage between front power window regulator (driver side) connector and ground.
CONNECTOR TERMINAL VOLTAGE CHARTConnector Terminals (Wire color) Condition Voltage (V) (Approx.) (+) (-) D8 5 (G/W) Ground Driver side door window is between fully-open and just before fully-closed position (ON) 0 Driver side door window is between just before fully-closed position and fully-closed position (OFF) 5 OK or NG
- OK : Limit switch circuit is OK.
- NG : GO TO 2.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect front power window regulator (driver side) connector.
- Check continuity between front power window regulator (driver side) connector D8 terminal 6 and ground.
- 6 (W/B) - Ground : Continuity should exist.
OK or NG
- OK : GO TO 4 .
- NG : GO TO 3.
- CHECK HARNESS CONTINUITY 1
- Disconnect power window main switch connector.
- Check continuity between power window main switch connector D6 terminal 2 and front power window regulator (driver side) connector D8 terminal 6.
- 2 (W/B) - 6 (W/B) : Continuity should exist.
OK or NG
- OK : Replace power window main switch.
- NG : Repair or replace harness between power window main switch and front power window regulator (driver side).
- CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL
- Turn ignition switch ON.
- Check voltage between power window main switch connector D6 terminal 9 and ground.
- 9 (G/W) - Ground : Approx. 5V
OK or NG
- OK : GO TO 5.
- NG : Replace power window main switch.
- CHECK HARNESS CONTINUITY 2
- Turn ignition switch OFF.
- Disconnect power window main switch connector.
- Check continuity between power window main switch connector D6 terminal 9 and front power window regulator (driver side) connector D8 terminal 5.
- 9 (G/W) - 5 (G/W) : Continuity should exist.
OK or NG
- OK : GO TO 6.
- NG : Repair or replace harness between and power window main switch front power window regulator (driver side).
- CHECK LIMIT SWITCH
- Connect power window main switch and front power window regulator (driver side) connector.
- Turn ignition switch ON.
- Check continuity between front power window regulator (driver side) connector D8 terminals 5 and 6.
CONNECTOR TERMINAL CONTINUITYConnector Terminals (Wire color) Condition Continuity D8 5 (G/W) 6 (W/B) Driver side door window is between fully-open and just before fully-closed position (ON) Yes (1) Driver side door window is between just before fully-closed position and fully-closed position (OFF) No (1) (1) When checking continuity, turn ignition switch OFF. OK or NG
- OK : Check the condition of the harness and the connector.
- NG : Replace front power window regulator (driver side).
Use the Manual With the Right Hardware
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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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