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TEST ACTION APPLICABILITY 3 Turn the ignition off. t, erase the audio DTCs. Cycle the ignition switch from off to on and wait 10 seconds. t, read DTC’s. Does the DRBIII t display POWER AMP SHUTDOWN with all the rear speakers disconnected? All Yes → Go To 4 No → Replace the Speaker that when disconnected the DTC did not reset. 4 Turn the ignition off. All Yes → Repair the speaker (+) circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1. No → Go To 5 5 Turn the ignition off. All Yes → Repair the speaker (-) circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1. No → Go To 6 6 Turn the ignition off. All Yes → Repair the speaker circuits shorted together. Perform BODY VERIFICATION TEST - VER 1. No → Go To 7 7 If there are no possible causes remaining, view repair. All Repair Replace the Radio. 89 AUDIO POWER AMP SHUTDOWN - BASE AUDIO SYSTEM — Continued |