System Id Test 1A - Identifying Vehicle Equipment & System Problems
NOTE:
For connector terminal identification, refer to CONNECTOR IDENTIFICATION
.
- Connect scan tool to Data Link Connector (DLC). DLC is located under instrument cluster, right of steering column. If scan tool screen is blank, see VEHICLE COMMUNICATIONS . If scan tool is not blank, go to next step.
- Using scan tool, read body DTCs (fault messages). If any fault messages are displayed, go to TEST 1B. If no fault messages are displayed, see SYSTEM DIAGNOSTIC TEST DIRECTORY table for specific system diagnosis. When diagnosing a vehicle with many apparent failures, start at top of table and perform indicated tests. Failures may occur separately or in various combinations. After repairs, ensure specific failure or group of failures have been corrected.
SYSTEM DIAGNOSTIC TEST DIRECTORY (1)
| Suspected System | Perform Test No. | ||
|---|---|---|---|
| Chime System | CHIME TEST 1A | ||
| Door Ajar Indicator System | DOOR AJAR TEST 1A | ||
| Exterior Lighting System | EXTERIOR LIGHT TEST 1A | ||
| Instrument Cluster | INSTRUMENT CLUSTER TEST 1A | ||
| Interior Lighting System | INTERIOR LIGHT TEST 1A | ||
| Overhead Travel Information System (OTIS) | OTIS TEST 1A | ||
| PCI BUS Failures | VEHICLE COMMUNICATIONS TEST 1A | ||
| Power Door Lock System | POWER DOOR LOCK TEST 1A | ||
| Remote Keyless Entry System | POWER DOOR LOCK TEST 1A | ||
| Vehicle Communication System | VEHICLE COMMUNICATIONS TEST 1A | ||
| Vehicle Theft Security System | VTSS TEST 1A | ||
| Windshield Wiper System | WINDSHIELD WIPER TEST 1A | ||
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