Diesel Data: Automotive Repair

Test L

PINPOINT TEST L: THE PASSENGER HEATED SEAT IS INOPERATIVE - DOES NOT OPERATE IN HIGH


Test L1-L2:






Test L2-L3:






Normal Operation
The heated seat switch uses circuit 8-HC18 (WH/GN) for the high setting input to the heated seat module.

Possible Causes
A passenger heated seat inoperative and does not operate in high can be caused by:
- wiring, terminals, or connectors.
- a faulty heated seat switch.
- a faulty heated seat module.