Self-Diagnostic System
NOTE:
Self-diagnostics is available only on Navigator with memory seat option.
For preliminary testing, see TROUBLE SHOOTING
. If problem is not found, connect New Generation Star (NGS) tester to Data Link Connector (DLC) located below center of instrument panel. Perform data link diagnostic test. See DATA LINK DIAGNOSTIC TEST under SELF-DIAGNOSTIC SYSTEM in appropriate MODULE COMMUNICATIONS NETWORK article. If NGS tester displays CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, repair module communication concern. See appropriate MODULE COMMUNICATIONS NETWORK article. If NGS tester displays NO RESP/NOT EQUIP for Driver's Door Module (DSM), perform TEST J: NO COMMUNICATION WITH DSM OR UNABLE TO PERFORM DSM ON-DEMAND SELF-TEST (NAVIGATOR ONLY)
under SYSTEM TESTS.
If NGS tester displays SYSTEM PASSED for DSM, retrieve and record continuous Diagnostic Trouble Codes (DTCs). Erase continuous DTCs. Perform DSM self-test. If DTCs related to the concern are retrieved, perform appropriate test. See DSM DTC TEST INDEX
table. If no DTCs related to the concern are retrieved, perform appropriate test based on symptom. See SYMPTOM TEST INDEX
table under SYSTEM TESTS. For DTCs not covered in this article, see appropriate
MODULE COMMUNICATIONS NETWORK article.
DSM DTC TEST INDEX
| DTC |
Description |
Perform Test |
| B1342 |
ECU Defective |
|
| B1529 |
Memory Set Switch Circuit Short To Power |
G |
| B1533 |
Memory 1 Switch Circuit Short To Power |
G |
| B1537 |
Memory 2 Switch Circuit Short To Power |
G |
| B1663 |
Driver's Seat Front Up/Down Motor Stalled |
F
Or G |
| B1664 |
Driver's Seat Rear Up/Down Motor Stalled |
F
Or G |
| B1665 |
Driver's Seat Forward/Backward Motor Stalled |
F
Or G |
| B1711 |
Driver's Seat Front Up Switch Circuit Short To Power |
F |
| B1715 |
Driver's Seat Front Down Switch Circuit Short To Power |
F |
| B1719 |
Driver's Seat Forward Switch Circuit Short To Power |
F |
| B1723 |
Driver's Seat Rearward Switch Circuit Short To Power |
F |
| B1727 |
Driver's Seat Rear Up Switch Circuit Short To Power |
F |
| B1731 |
Driver's Seat Rear Down Switch Circuit Short To Power |
F |
| B1751 |
Park/Neutral Switch Circuit Short To Power |
J |
| B1950 |
Seat Rear Up/Down Potentiometer Feedback Circuit Failure |
G |
| B1952 |
Seat Rear Up/Down Potentiometer Feedback Circuit Short To Power |
G |
| B1954 |
Seat Front Up/Down Potentiometer Feedback Circuit Failure |
G |
| B1956 |
Seat Front Up/Down Potentiometer Feedback Circuit Short To Power |
G |
| B1962 |
Seat Horizontal Forward/Rearward Potentiometer Feedback Circuit Failure |
G |
| B1964 |
Seat Horizontal Forward/Rearward Potentiometer Feedback Circuit Short To Power |
G |