Rear Power Drop Glass Up Relay Check

REAR POWER DROP GLASS UP RELAY CHECK

Rear Power Drop Glass Up Relay Check

Regarding Wiring Diagram information, Crew Cab.

1. CHECK REAR POWER DROP GLASS UP RELAY POWER SUPPLY CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect rear power drop glass up relay.
3.Turn ignition switch ON.
4.Check voltage between rear power drop glass up relay connector and ground.





Is the inspection result normal?
YES- GO TO 2
NO- Repair or replace harness.

2. CHECK REAR POWER DROP GLASS UP RELAY






Check continuity between rear power drop glass down relay terminals 3 and 4, 3 and 5.





Is the inspection result normal?
YES- GO TO 3
NO- Replace rear power drop glass up relay.

3. CHECK REAR POWER DROP GLASS UP RELAY GROUND CIRCUIT






Check continuity between rear power drop glass up relay connector
M154 terminal 4 and ground.
4 - Ground: Continuity should exist.
Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace harness.

4. CHECK REAR POWER DROP GLASS UP RELAY CIRCUIT






1.Disconnect rear power drop glass switch.
2.Check continuity between rear power drop glass up relay connector M154 terminal 2 and rear power drop glass switch connector R103 terminal 1.
2 - 1: Continuity should exist.
Is the inspection result normal?
YES- Replace rear power drop glass switch. Refer to "Removal and Installation - Power Drop Glass Switch".
NO- Repair or replace harness.