Inspection and Verification
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.VISUAL INSPECTION CHART
Mechanical Electrical - Exterior mirror
- Exterior mirror control switch
- Exterior mirror cover
- Battery Junction Box (BJB) fuse(s):
- 7 (40A)
- 17 (15A)
- 55 (10A)
- Body Control Module (BCM) fuse(s):
- 8 (10A)
- 24 (15A)
- 32 (15A)
- HVAC module
- Exterior mirror
- Exterior mirror control switch
- Exterior mirror glass
- Exterior spotter mirror glass
- Exterior mirror motor
- Rear window defrost relay
- Power telescoping mirror control switch
- Loose or corroded connections
- Wiring harness
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
- If the scan tool does not communicate with the VCM:
- check the VCM connection to the vehicle.
- check the scan tool connection to the VCM.
- refer to MODULE COMMUNICATIONS NETWORK , No Power To The Scan Tool, to diagnose no power to the scan tool.
- If the scan tool does not communicate with the vehicle:
- verify the ignition key is in the ON position.
- verify the scan tool operation with a known good vehicle.
- refer to MODULE COMMUNICATIONS NETWORK to diagnose no response from the PCM.
- Carry out the network test.
- If the scan tool responds with no communication from one or more modules, refer to MODULE COMMUNICATIONS NETWORK .
- If the network test passes, retrieve and record the Continuous Memory Diagnostic Trouble Codes (CMDTCs).
- Clear the continuous DTCs and carry out the self-test diagnostics for the DSM and HVAC module.
- If the DTCs retrieved are related to the concern, go to the DRIVER SEAT MODULE (DSM) DTC CHART or the HVAC MODULE DTC CHART . For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
- If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART - EXTERIOR MIRRORS or GO to SYMPTOM CHART - NVH .
NOTE:
Make sure to use the latest scan tool software release.
NOTE:
The Vehicle Communication Module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM.