Inspection and Verification
WARNING: This page is about a different car, the 2009 Ford Mustang. 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 - Ignition key
- Ignition key turning effort
- Ignition switch
- Multifunction switch
- Steering column shrouds
- Bussed Electrical Center (BEC)
- BEC fuse 68 (20A)
- Ignition switch
- Passive Anti-Theft System (PATS) transceiver
- Smart Junction Box (SJB)
- SJB fuse(s):
- 3 (10A)
- 7 (10A)
- 20 (10A)
- 21 (10A)
- Wiring, terminals or connectors
NOTE: For multifunction switch concerns, refer to one of the following parts:- Exterior Lighting, EXTERIOR LIGHTING article.
- Wipers and Washers, WIPERS AND WASHERS article.
- 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 article, No Power To The Scan Tool, to diagnose no communication with 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 article to diagnose no response from the PCM.
- Carry out the network test.
- If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK article.
- If the network test passes, retrieve and record continuous memory DTCs.
- Clear the continuous DTCs and carry out the self-test diagnostics for the SJB.
- If the DTCs retrieved are related to the concern, go to the Smart Junction Box (SJB) DTC Chart. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES article.
- If no DTCs related to the concern are retrieved, go to Symptom Chart .
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.
SMART JUNCTION BOX (SJB) DTC CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| B1356 | Ignition RUN Circuit Open | Smart Junction Box (SJB) | Go to Pinpoint Test C . |
| B1360 | Ignition RUN/ACC Circuit Open | SJB | Go to Pinpoint Test B . |
| B1365 | Ignition START Circuit Short to Battery | SJB | Go to Pinpoint Test E . |
| - | All other SJB DTCs | SJB | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES article. |