Entertainment Systems: Testing and Inspection

Inspection and Verification

CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle
1 Verify the customer concern
2 Visually inspect for obvious signs of damage and system integrity





3 If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
4 If the cause is not visually evident, check for diagnostic trouble codes and refer to the relevant diagnostic trouble codes index

DTC Index
For a list of diagnostic trouble codes that could be logged on this vehicle. For additional information, refer to Diagnostic Trouble Code (DTC) Index - DTC: Integrated Audio Module (ACM) Audio Front Control Module (ACM)
For additional information, refer to Diagnostic Trouble Code (DTC) Index - DTC: Audio Amplifier Module (AAM) Testing and Inspection