Diagnostic Test
- CHECK FOR AN INTERMITTENT CONDITION
- Turn the ignition on and open one of the front doors.NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs.
- With the scan tool, record and erase the Amplifier DTCs.
- Turn the radio on and set the volume to 25.
- Adjust the speakers to the rear and center.
- With the scan tool, read the active Amplifier DTCs.
Does the scan tool display active: B1476-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT HIGH?
Yes
- Go to step 2
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- Turn the ignition on and open one of the front doors.
- CHECK FOR VOLTAGE ON THE (X205) LEFT REAR SPEAKER (+) CIRCUIT
- Turn the ignition off.
- Disconnect the Amplifier C2 harness connector.
- Turn the ignition on.
- Measure the voltage between the (X205) Left Rear Speaker (+) circuit and ground.
Is there any voltage present?
Yes
- Repair the (X205) Left Rear Speaker (+) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Go to step 3
- CHECK FOR VOLTAGE ON THE (X295) LEFT REAR SPEAKER (-) CIRCUIT
- Measure the voltage between the (X295) Left Rear Speaker (-) circuit and ground.
Is there any voltage present?
Yes
- Repair the (X295) Left Rear Speaker (-) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Replace the Amplifier in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- Measure the voltage between the (X295) Left Rear Speaker (-) circuit and ground.