Test Q

PINPOINT TEST Q: THE HEATED SEAT IS INOPERATIVE - SEAT DOES HEAT BUT THE HEATED SEAT INDICATOR DOES NOT ILLUMINATE WHEN PRESSED - PASSENGER

Test Q1-Q2:

Test Q2-Q4:

Test Q4-Q5:

Normal Operation
Upon receiving a signal from the electronic automatic temperature control (DATC) module, the heated seat module will decrease one setting (the sequence is HI, LO, OFF, HI, etc.). When a heated seat is set to HI, both LED indicators above the heated seat control button will illuminate. When a heated seat is set to LO, only the left LED will indicator will illuminate. When a heated seat is set to OFF, neither LED will be illuminated.

Possible Causes
An inoperative heated seat indicator can be caused by:
- wiring, terminals, or connectors.
- a faulty heated seat module.
- a faulty DATC module.