No Communication With NAV Radio

NO COMMUNICATION WITH NAV RADIO

For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams






1. ATTEMPT TO COMMUNICATE WITH THE NAVIGATION MODULE
1. Turn the ignition on.
2. With the scan tool, attempt to communicate with the navigation module.

Was the scan tool able to I/D or communicate with the NAV?

Yes

- Go To 2

No

- Refer to the Communication category for the related symptom(s).
- Perform BODY VERIFICATION TEST. Body Verification Test

2. RADIO
1. With the scan tool, erase DTC's.
2. Cycle the ignition switch from off to on and wait approximately 1 minute.
3. With the scan tool, read DTC's.

Did this DTC reset?

Yes

- Replace the Radio.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Test Complete.
- Perform BODY VERIFICATION TEST. Body Verification Test