Preliminary Checks
WARNING: This page is about a different car, the 1997 Mercury Sable and 1997 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
- Check fuses No. 5 and 32 in instrument panel fuse panel. Check maxi-fuses in underhood power distribution box. Replace as necessary. Visually inspect wiring harness for obvious signs of damage.NOTE: Left front window must be in full up position while performing self-diagnostics.
- If concern remains after checking fuses and wiring harness, perform self-diagnostics on the Generic Electronic Module (GEM). Self-diagnostics are carried out using Rotunda New Generation Star (NGS) tester or equivalent OBD-II compatible scan tool. See MODULE COMMUNICATIONS NETWORK article for further information.
- If self-diagnostics is completed and DTCs are retrieved, go to appropriate DTC test under PINPOINT TESTING . If a DTC is retrieved from GEM and the appropriate DTC test is not in this article, refer to DTC chart for GEM in MODULE COMMUNICATIONS NETWORK article for a brief explanation of DTC. The DTC chart should direct you to correct article to find testing procedure.
- If a communication problem exists with GEM, see MODULE COMMUNICATIONS NETWORK article for data bus diagnostics and repair procedures.
DTC DESCRIPTIONS
| DTC | Descriptions |
|---|---|
| B1345 | Defogger Switch Signal Short To Ground |
| B1347 | Defogger Relay Output Circuit Fault |
| B1349 | Defogger Circuit Short To Power |