Diagnosis Procedure
- CHECK POWER WINDOW SWITCH INPUT SIGNAL
- Turn ignition switch ON.
- Check signal between front power window switch (passenger side) harness connector and ground with oscilloscope.
(+) (-) Signal
(Reference value)Front power window switch (passenger side) Connector Terminal D25 16 Ground
Is the inspection result normal?
YES
Replace front power window switch (passenger side). Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 2 .
- CHECK POWER WINDOW SERIAL LINK SIGNAL
- Turn ignition switch OFF.
- Disconnect front power window switch (passenger side) connector.
- Turn ignition switch ON.
- Check voltage between front power window switch (passenger side) harness connector and ground.
(+) (-) Voltage (V)
(Approx.)Front power window switch (passenger side) Connector Terminal D25 16 Ground 12
Is the inspection result normal?
YES
Replace power window main switch. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 3 .
- CHECK POWER WINDOW SERIAL LINK CIRCUIT
- Disconnect power window main switch connector.
- Check continuity between power window main switch harness connector and front power window switch (passenger side) harness connector.
Power window main switch Front power window switch (passenger side) Continuity Connector Terminal Connector Terminal D5 13 D25 16 Existed - Check continuity between power window main switch harness connector and ground.
Power window main switch Ground Continuity Connector Terminal D5 13 Not existed
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair or replace harness.
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
INSPECTION END