Radio Audio Malfunction at Rear Seat Audio (RSA) Control. Chevrolet Avalanche

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2004 🢒 Avalanche - 2WD 🢒 Accessories 🢒 Entertainment 🢒 Radio Audio Malfunction at Rear Seat Audio (RSA) Control

Step	Action	Yes	No
Schematic Reference: Radio/Audio System Schematics
1	Did you perform the Diagnostic System Check -- Entertainment System?	Go to Step 2	Go to Diagnostic System Check - Entertainment System
2	Turn ON the ignition, with the engine OFF. Turn ON the radio. Turn ON the rear seat audio (RSA) controller. Select the AM/FM push button on the rear seat audio controller. Connect headphones. Does the rear seat audio operate normally?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Are both left and right audio channels inoperative at the RSA?	Go to Step 5	Go to Step 4
4	Test the appropriate speaker input circuits of the rear seat audio controller for a short, high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 7	Go to Step 5
5	Inspect for poor connections at the harness connector of the rear seat audio controller and the radio. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 7	Go to Step 6
6	Replace the rear seat audio controller. Refer to Rear Seat Audio Control Replacement Did you complete the replacement?	Go to Step 7	--
7	Operate the system in order to verify the repair. Did you complete the repair?	System OK	Go to Step 2