B1408-92

B1408-92-REAR LEFT AUDIO SPEAKER OUTPUT - PERFORMANCE OR INCORRECT OPERATION

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

The Telematics Gateway (TGW) monitors the Left Audio output for a Direct Current (DC) offset.

For a detailed description of the Audio System. Audio And Video - Description.

For additional information regarding the operation of the Audio System. Audio And Video - Operation.

- When Monitored:
With the ignition on.

- Set Condition:
This Diagnostic Trouble Code (DTC) sets if a Direct Current (DC) offset occurs on the output channel, the TGW sets a DTC after a maturity rate of four to six seconds.





CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on and open one of the front doors.

NOTE: A front door must remain open whenever checking or erasing TGW DTCs.

2. With the scan tool, record and erase the TGW DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. Turn the Radio on and set the volume to 25.
5. Adjust the speakers to the Rear and center.
6. With the scan tool, read the active TGW DTCs.

Does the scan tool display active: B1408-92-REAR LEFT AUDIO SPEAKER OUTPUT - PERFORMANCE OR INCORRECT OPERATION?

Yes

- Replace the TGW. Telematics Gateway Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

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. Body Verification Test.