Self-Diagnostic System
WARNING: This page is about a different car, the 2001 Ford Focus and 2000 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Central Security Module (CSM) may also be referred to as anti-theft/central locking module.
Connect New Generation Star (NGS) tester to Data Link Connector (DLC), located behind left side of instrument panel. Using NGS tester, perform data link diagnostic test. See DATA LINK DIAGNOSTIC TEST under SELF-DIAGNOSTIC SYSTEM in MODULE COMMUNICATION NETWORK - FOCUS article. If NGS tester displays CKT914, CKT915, or CKT170=ALL MODULES NO RESP/NOT EQUIP, repair module communications concern. See MODULE COMMUNICATIONS NETWORK - FOCUS article.
If NGS tester displays NO RESP/NOT EQUIP for Central Security Module (CSM), perform TEST A: NO COMMUNICATION WITH CENTRAL SECURITY MODULE
under SYSTEM TESTS. If NGS tester displays SYSTEM PASSED, retrieve and record continuous DTCs. Erase continuous DTCs. Using NGS tester, perform CSM self-test. If DTCs are retrieved, perform appropriate test. See CSM DIAGNOSTIC TROUBLE CODE DEFINITION
table. Codes listed in the table are only for testing covered in this article. For complete DTC listing. See MODULE COMMUNICATIONS NETWORK - FOCUS article. If no DTCs are retrieved, repair by symptom. See SYMPTOM INDEX
table under SYMPTOM TESTS.
CSM DIAGNOSTIC TROUBLE CODE DEFINITION
| DTC |
Description |
Perform Test |
| B1320 |
Driver's Door Ajar Circuit Open |
B |
| B1328 |
Passenger's Door Ajar Circuit Open |
B |
| B1332 |
Decklid Ajar/Rear Door Circuit Open |
B |
| B1342 |
ECU Defective |
|
| B1520 |
Hood Switch Circuit Open |
B |
| B2108 |
Trunk Key Cylinder Switch Failure |
B |
| B2112 |
Door Set Switch Circuit Failure |
B |
| B2116 |
Door Reset Switch Circuit Failure |
B |
| B2494 |
Horn/Panic Output Driver Short To Battery |
B |
| B2496 |
Horn/Panic Output Driver Short To Ground |
B |