Diagnostic Procedure
DIAGNOSTIC PROCEDURES - ONE OR BOTH REMOTE RADIO SWITCHES INOPERATIVE (IF EQUIPPED)
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Turn the ignition on. With the DRB, attempt to communicate with the Radio. Was the DRB able to communicate with the Radio? Yes --> Go To 2 No --> Refer to the COMMUNICATION CATEGORY and perform the appropriate symptom. Perform BODY VERIFICATION TEST - VER 1 . |
All |
| 2 | Operate the horn from the horn button.
NOTE:
This is to ensure the Horn/Radio Control MUX circuit is NOT open or shorted between the clockspring and the BCM. Does the horn operate properly from the horn button? Yes --> Repair the Horn/Radio Control MUX circuit or the Ground circuit for an open between the inoperative switch and the clockspring. If OK, replace the remote radio switch. Perform BODY VERIFICATION TEST - VER 1 . No --> Refer to the IGNITION, POWER AND ACCESSORY CATEGORY and perform the appropriate symptom Perform BODY VERIFICATION TEST - VER 1 . |
All |