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LOOPBACK FAILURE - INTERNAL ERROR For the Audio Amplifier system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIA- For a complete wiring diagram Refer to Section 8W. Possible Causes AMP FAILURE 1. AMP FAILURE Cycle the ignition switch from on to off to on. With the DRBIII T , read Amplifier DTCs. Is the DTC active at this time? Yes >> This is an internal AMP Failure. Replace the Amplifier in accordance with the service information. Perform BODY VERIFICATION TEST — VER 1. No >> Test Complete. Perform BODY VERIFICATION TEST — VER 1. 8A - 90 AUDIO - SRT10 - AMP - ELECTRICAL DIAGNOSTICS DR/DH |