Pinpoint Test Z: The Heated Seat Does Not Operate Correctly - Right Rear Seat

Seats

Pinpoint Test Z: The Heated Seat Does Not Operate Correctly - Right Rear Seat Does Heat but the Heated Seat Indicator is On All the Time

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

Normal Operation

Pressing the right rear heated seat switch once in either the high or low mode commands on the right rear heated seat. Voltage is then supplied to the right rear heated seat switch from the heated seat module on one circuit for high heat mode or another for low heat mode to illuminate the switch indicator. Pressing the right rear heated seat switch again in the mode that is currently on sets the right rear heated seat to off and also turns that LED off.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors

- Rear heated seat module

PINPOINT TEST Z : THE HEATED SEAT DOES NOT OPERATE CORRECTLY - RIGHT REAR SEAT DOES HEAT BUT THE HEATED SEAT INDICATOR IS ON ALL THE TIME

Z1 CHECK HEATED SEAT 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 the affected circuit. TEST the system for normal operation.