Pinpoint Test AD: The Heated Seat Does Not Operate Correctly - Right Rear Heated Seat Indicator is Always On

Seating

Pinpoint Test AD: The Heated Seat Does Not Operate Correctly - Right Rear Heated Seat Indicator is Always On

Refer to Wiring Diagram Set 119, Climate Controlled Seats for schematic and connector information. Diagrams By Number

Normal Operation

Pressing the right rear heated seat switch once in either the high or low mode will command on the right rear heated seat. Voltage is then supplied to the right rear heated seat switch from the heated seat module on either circuit CHS52 (high heat mode) or circuit CHS53 (low heat mode) illuminating the switch indicator. Pressing the right rear heated seat switch again in the mode that is currently on will set the right rear heated seat to off and also turn that LED off.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors

- Heated seat module

PINPOINT TEST AD : THE HEATED SEAT DOES NOT OPERATE CORRECTLY - RIGHT REAR HEATED SEAT INDICATOR IS ALWAYS ON

AD1 CHECK THE INDICATOR CIRCUITS FOR A SHORT TO VOLTAGE

- Disconnect: Heated Seat Module C3304A.

Did the affected high or low indicator LED turn off when the heated seat module was disconnected?

Yes
INSTALL a new heated seat module. REFER to Heated Seat Module - Rear . TEST the system for normal operation.

No
REPAIR circuit CHS53 (WH/BN) or CHS52 (BU) for a short to voltage. TEST the system for normal operation.