Diagnosis Procedure

POWER WINDOW SERIAL LINK

REAR POWER WINDOW SWITCH RH : Diagnosis Procedure


1. CHECK POWER WINDOW SWITCH INPUT SIGNAL

1.Turn ignition switch ON.
2.Check signal between rear power window switch RH harness connector and ground with oscilloscope.





Is the inspection result normal?
YES- Replace rear power window switch RH. Front Power Window Switch.
NO- GO TO 2.

2. CHECK POWER WINDOW SERIAL LINK SIGNAL

1.Turn ignition switch OFF.
2.Disconnect rear power window switch RH connector.
3.Turn ignition switch ON.
4.Check voltage between rear power window switch RH harness connector and ground.





Is the inspection result normal?
YES- Replace power window main switch. Front Power Window Switch.
NO- GO TO 3.

3. CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.Disconnect power window main switch connector.
2.Check continuity between power window main switch harness connector and rear power window switch
RH harness connector.





3.Check continuity between power window main switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END