Radio Audio Malfunction at Rear Seat Audio (RSA) Control

Radio Audio Malfunction at Rear Seat Audio (RSA) Control

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (with HP2) (Initial Inspection and Diagnostic Overview)Diagnostic System Check - Vehicle (without HP2) (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provide an overview of each diagnostic category.

Reference Information
Schematic Reference

Radio/Navigation System Schematics (Radio/Navigation System Schematics)
Connector End View Reference

Component Connector End Views (Connector Views)
Description and Operation

Radio/Audio System Description and Operation (Radio/Audio System Description and Operation)
Electrical Information Reference

* Circuit Testing (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)
* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)

Scan Tool Reference

Control Module References (Programming and Relearning) for scan tool information

Circuit/System Verification

1. Radio ON, verify clear audio is heard from each audio speaker with the RSA system OFF.

• If audio is inoperative from one or all speakers, refer to Speaker Malfunction (Speaker Malfunction).

2. Using a known good pair of wired headphones, plug them into both of the headphone jacks on the RSA controller.
3. Radio ON, RSA ON, cycle through several sources and listen for audio. Adjust appropriate volume control.

• If no audio is heard through the headphones, replace the RSA controller.

Repair Instructions

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

Rear Seat Audio Control Replacement (Rear Seat Audio Control Replacement)