Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - HAZARD LAMPS INOPERATIVE WITH VTSS
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Attempt to operate the Hazard Lamps with the Hazard Lamp switch. Do the hazard lamps operate from the Hazard Lamp switch? Yes --> Go To 2 No --> Refer to the Service Information to repair the Hazard Lamps. Perform VTSS VERIFICATION TEST - 1A . |
All |
| 2 | Turn the Hazard Lamp switch off. With the DRBIII®, actuate the Hazard Lamps. Do the Hazard Lamps operate while actuating? Yes --> Replace and program the Body Control Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 3 |
All |
| 3 | Turn the Hazard Lamp switch off. Disconnect the Body Control Module C1 connector. Connect a jumper wire between Hazard Lamp Control circuit and ground. Did the Hazard Lamps operate? Yes --> Replace and program the Body Control Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 4 |
All |
| 4 | Disconnect the Hazard Switch connector. Disconnect the Body Control Module C1 connector. Measure the resistance of the Hazard Lamp Control circuit between the BCM C1 connector and the Hazard Switch connector. Is the resistance below 5.0 ohms? Yes --> Replace the Hazard Switch. Perform VTSS VERIFICATION TEST - 1A . No --> Repair the Hazard Lamp Control circuit for an open between the BCM and the Hazard Switch. Perform VTSS VERIFICATION TEST - 1A . |
All |