Radio Controls Inoperative - Rear Seat

Radio Controls Inoperative - Rear Seat

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provide an overview of each diagnostic category.

Circuit/System Testing

Test or repair open, short to ground or short to voltage on the RSA ground circuit and battery positive voltage circuit.

If all circuits test normal, replace the rear HVAC control module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

Auxiliary Heater and Air Conditioning Control Module Replacement