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Home › Lincoln › 1999 › Navigator 5.4 L, RWD › Repair and Diagnosis › Body & Frame › Power Memory Mirrors › Self-Diagnostic System

Self-Diagnostic System

NOTE: Before beginning system testing, perform TROUBLE SHOOTING .
NOTE: A New Generation Star (NGS) tester is required to test the power mirror system. If NGS tester does not communicate with vehicle, refer to NGS tester manual.

Connect New Generation Star (NGS) tester to data link connector. Perform DATA LINK DIAGNOSTIC TEST. See appropriate MODULE COMMUNICATIONS NETWORK article. If NGS tester responds with CKT 914, CKT 915 or CKT 70=ALL ECUS NO RESP/NOT EQUIP, diagnose network concern. See appropriate MODULE COMMUNICATIONS NETWORK article. If NGS tester responds with, NO RESPONSE/NOT EQUIPPED for Driver Seat Module (DSM), go to TEST E: NO COMMUNICATION WITH DRIVER SEAT MODULE  under SYSTEM TESTS.

If NGS tester responds with SYSTEM PASSED for all modules, retrieve DTCs for DSM modules. If any DTCs exist, perform appropriate test. See DSM DTC DEFINITIONS  table. If no DTCs were retrieved, repair system by symptom. See SYMPTOM CHART  table and perform appropriate test under SYSTEM TESTS.

DSM DTC DEFINITIONS

DTC Description Perform Test
B1342 ECU Defective Replace DSM
B1529 Memory Set Switch Short To Power B 
B1533 Memory 1 Switch Short To Power B 
B1537 Memory 2 Switch Short To Power B 
B1667 Driver Mirror Up/Down Motor Stalled A  Or B 
B1668 Driver Mirror Right/Left Motor Stalled A  Or B 
B1669 Passenger Mirror Up/Down Motor Stalled A  Or B 
B1670 Passenger Mirror Right/Left Motor Stalled A  Or B 
B1676 Battery Voltage Out Or Range (1)
B1697 Driver/Passenger Mirror Switch Circuit Short To Voltage A 
B1735 Driver Mirror Vertical Switch Circuit Short To Voltage A 
B1739 Driver Mirror Horizontal Switch Circuit Short To Voltage A 
B1743 Passenger Mirror Vertical Switch Circuit Short To Voltage A 
B1747 Passenger Mirror Horizontal Switch Circuit Short To Voltage A 
(1) Check charging system and repair as necessary. See appropriate GENERATORS article in STARTING & CHARGING SYSTEMS. If charging system is okay, repair wiring as necessary. See WIRING DIAGRAMS .
SYMPTOM CHART

Symptom Perform Test
Memory Mirror Inoperative A 
Memory Mirror Inoperative At Memory Set Switch B 
Memory Mirror Inoperative From Remote Transmitter C 
Auto Dimming Feature Does Not Function Properly D 
No Communication With Driver Seat Module E 
Unable To Perform On-Demand Self Test With DSM E 
Heated Mirrors Inoperative (1)
(1) See appropriate wiring diagram in REAR WINDOW DEFOGGERS article.
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