POWER WINDOW MAIN SWITCH: Diagnosis Procedure
- CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
- Turn ignition switch ON.
- Check signal between power window main switch harness connector and ground.
(+) (-) Signal (Reference value) Power window main switch Connector Terminal D8 14 Ground Is the inspection result normal?
YES: GO TO 5.
NO: GO TO 2.
- CHECK POWER WINDOW SERIAL LINK SIGNAL
- Turn ignition switch OFF.
- Disconnect power window main switch connector.
- Turn ignition switch ON.
- Check voltage between power window main switch harness connector and ground.
(+) (-) Voltage (V) (Approx.) Power window main switch Connector Terminal D8 14 Ground Battery voltage Is the inspection result normal?
YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".
NO: GO TO 3.
- CHECK POWER WINDOW SERIAL LINK CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check continuity between BCM connector and power window main switch connector.
BCM Power window main switch Continuity Connector Terminal Connector Terminal M123 132 D8 14 Existed - Check continuity between BCM connector and ground.
BCM Ground Continuity Connector Terminal M123 132 Not existed Is the inspection result normal?
YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
- NO: Repair or replace harness.
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
: INSPECTION END