Trouble Shooting
Before performing individual component or system tests, check the following for possible cause of system malfunction.
- Low Battery Charge
- Faulty Fuse(s)
- Loose Or Corroded Connectors
- Damaged Wiring
- Damaged Transmitter
- Faulty Transmitter Batteries
- Binding Locks Or Latches
Before proceeding with testing, disconnect and reconnect negative battery cable to reset system. If problem remains, connect and operate New Generation Star (NGS) Tester (007-00500) tester following manufacturer's instructions. Perform data link diagnostics test. See MODULE COMMUNICATIONS NETWORK article.
- MODULE COMMUNICATIONS NETWORK (Crown Victoria/Grand Marquis)
- MODULE COMMUNICATIONS NETWORK (Town Car)
If NGS responds with NO RESPONSE/NOT EQUIPPED for driver's door module, go to NO COMMUNICATION WITH DRIVER DOOR MODULE under SYMPTOM TESTS . If NGS responds with NO RESPONSE/NOT EQUIPPED for lighting control module, go to NO COMMUNICATION WITH LIGHTING CONTROL MODULE under SYMPTOM TESTS .
If data link diagnostics test is passed for driver door or lighting control module(s), retrieve and record continuous Diagnostic Trouble Codes (DTCs) and execute self-test diagnostics for driver door or lighting control module to retrieve current DTCs. See DIAGNOSTIC TESTS .
If self-test is passed and no DTCs are retrieved, go to SYMPTOM TESTS .
| DTC (1) | Description | ||
|---|---|---|---|
| B1396 | Power Door Lock Short To B+ | ||
| B1397 | Power Door Unlock Short To B+ | ||
| B1679 | Panic Alarm Short To B+ | ||
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| DTC (1) | Description | ||
|---|---|---|---|
| B1342 | ECU Defective | ||
| B1396 | Power Door Lock Short To B+ | ||
| B1517 | Seat Occupied Switch Short To B+ | ||
| B1525 | Keyless Entry Short To B+ | ||
| B1553 | Decklid Release Short To B+ | ||
| B1751 | Park/Neutral Switch Short To B+ | ||
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