Diagnostic Test
- CHECK FOR AN INTERMITTENT CONDITION
- Turn the ignition on.
- Using the scan tool, record and erase the Amplifier DTCs.
- Cycle the ignition switch from on to off, wait five seconds and then back to on.
- Turn the Radio on and set the volume to 25.
- Adjust the speakers to the front and center.
- Using the scan tool, read the active Amplifier DTCs.
Does the scan tool display active: B1467-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT HIGH?
Yes
- Go To 2
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the 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 STANDARD PROCEDURE .
- CHECK FOR VOLTAGE ON THE (X208) RIGHT I/P SPEAKER (+) CIRCUIT
- Turn the ignition off.
- Disconnect the Amplifier C1 harness connector.
- Turn the ignition on.
- Measure the voltage of the (X208) Right I/P Speaker (+) circuit.
Is there any voltage present?
Yes
- Repair the (X208) Right I/P Speaker (+) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 3
- CHECK FOR VOLTAGE ON THE (X298) RIGHT I/P SPEAKER (-) CIRCUIT
- Measure the voltage of the (X298) Right I/P Speaker (-) circuit.
Is there any voltage present?
Yes
- Repair the (X298) Right I/P Speaker (-) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the Amplifier in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Measure the voltage of the (X298) Right I/P Speaker (-) circuit.