Inspection and Verification
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern by operating the ignition switch and the multifunction switch on the steering column.
- Visually inspect for obvious signs of mechanical and electrical damage. Refer to the following chart:VISUAL INSPECTION CHART
Mechanical Electrical - Multifunction switch
- Ignition key
- Ignition switch
- Tilt/telescope switch
- Circuit
- Rear battery junction box (RBJB) fuse 22 (20A)
- Battery junction box (BJB) fuse(s):
- 4 (5A)
- 13 (5A)
- 17 (5A)
NOTE: For multifunction switch concerns, refer to one of the following sections:- Exterior Lighting, refer to EXTERIOR LIGHTING .
- Wipers and Washers, refer to EXTERIOR TRIM .
- If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the diagnostic tool menu. If diagnostic tool does not communicate with the vehicle:
- Check that the program card is correctly installed.
- Check the connections to the vehicle.
- Check the ignition switch position.
- Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
- SCP or ISO; all electronic control units no response/not equipped, refer to MODULE COMMUNICATIONS NETWORK for the front electronic module (FEM) or INFORMATION, GAUGES & WARNING DEVICES for the instrument cluster module (ICM).
- If DTCs are present, refer to MODULE COMMUNICATIONS NETWORK for FEM-related DTCs or INFORMATION, GAUGES & WARNING DEVICES for ICM-related DTCs, for further diagnostics.
- If no DTCs are present, GO to SYMPTOM CHART to continue diagnostics.