Symptom Id Test 1A - Identifying Vehicle Equipment & System Problems
NOTE:
For connector terminal ID, see CONNECTOR IDENTIFICATION
and WIRING DIAGRAMS
.
NOTE:
Perform a visual inspection before proceeding with this test.
- Connect scan tool to Data Link Connector (DLC). DLC is a 16-pin connector located on left side kick panel, just above hood release. Turn ignition switch to ON position. If scan tool display is not blank, go to next step. If scan tool display is blank, see TEST 1A under VEHICLE COMMUNICATIONS TESTS.
- Using scan tool, select BODY SYSTEM, then BODY COMPUTER. Scan tool will perform a CCD bus test. If scan tool displays BUS FAILED, see TEST 1A under VEHICLE COMMUNICATIONS TESTS. If scan tool displays NO RESPONSE, see TEST 11A under VEHICLE COMMUNICATIONS TESTS. If scan tool does not display BUS FAILED or NO RESPONSE, go to next step.
- Using scan tool, select INPUT/OUTPUT and read IGN RUN/START status. If scan tool displays OPEN, go to TEST 11A under VEHICLE COMMUNICATIONS TESTS. If scan tool does not display OPEN, go to next step.
- Using scan tool, select READ DTCs. If any fault messages are present, go to SYMPTOM ID TEST 1B - IDENTIFYING FAULT MESSAGES . If no messages are present, go to SYSTEM DIAGNOSTIC TEST DIRECTORY for specific diagnosis. Problems listed are diagnosed using a scan tool. These problems may occur separately or in various combinations. When diagnosing a system with many apparent problems, a sequence of tests may be required. At the beginning of each test a note will indicate which test to perform first. After repairs, ensure problem(s) or failure(s) have been corrected.
SYSTEM DIAGNOSTIC TEST DIRECTORY (1)
| Suspected System | Perform | ||
|---|---|---|---|
| Chime System | CHIME TEST 1A | ||
| Compass/Mini-Trip Computer | CMTC TEST 1A | ||
| Door Ajar System | DOOR AJAR TEST 1A | ||
| Exterior Lighting System | EXTERIOR LIGHT TEST 1A | ||
| Interior Lighting System | INTERIOR LIGHT TEST 1A | ||
| Instrument Cluster | INSTRUMENT CLUSTER TEST 1A | ||
| Power Door Lock System | POWER DOOR LOCK TEST 1A | ||
| Vehicle Theft Security System | VTSS TEST 1A | ||
| Windshield Wiper System | WINDSHIELD WIPER TEST 1A | ||
|
|||