Power Supply and Ground Circuit Check For Third Row Power Folding Seat Control Unit

THIRD SEAT


Power Supply and Ground Circuit Check for Third Row Power Folding Seat Control Unit

Regarding Wiring Diagram information, Third Row Power Folding Seat Control Unit.
1.CHECK FUSES AND FUSIBLE LINK
Check for blown fuses or fusible link.





Are any fuses or fusible links blown?
YES - Install new fuse. Eliminate cause of malfunction if fuse blows again.
NO - GO TO 2
2.POWER SUPPLY CIRCUIT CHECK





1. Disconnect third row power folding seat control unit connectors
B401 and B402.
2. Check voltage between third row power folding seat control unit harness connectors B401, B402 terminals 1, 8, 13, 14 and ground.





Are the inspection results normal?
YES - GO TO 3
NO - Check harness for open between third row power folding seat control unit and fuse or fusible link.
3.GROUND CIRCUIT CHECK





1. Turn ignition switch OFF.
2. Check continuity between third row power folding seat control unit harness connector B402 terminals 16, 18, 21 and ground.






Do all terminals have ground?
YES - Inspection End.
NO - Check harness for ground.