Test 1A - Testing System Function
NOTE:
Perform a visual inspection before proceeding with this test.
- Connect scan tool to data link connector, located at right of steering column. See Fig 1 . Select THEFT ALARM. If scan tool screen is blank or displays a bus failure message, see the TESTS W/CODES - BODY CONTROL COMPUTER article in ENGINE PERFORMANCE. If scan tool displays NO RESPONSE, go to TEST 2A. If scan tool displays MONITOR DISPLAY, go to next step.
- Using scan tool, select THEFT ALARM, and then MONITOR DISPLAY. Read Vehicle Theft Security System (VTSS) status. If VTSS status is not DISARMED, go to TEST 1B. If VTSS status is DISARMED, go to next step.
- Using scan tool, select BODY and then BODY CONTROLLER. Read Diagnostic Trouble Code (DTC). If BATTERY POWER TO MODULE DTC is displayed, see TESTS W/CODES - BODY CONTROL COMPUTER article in ENGINE PERFORMANCE. If scan tool does not display BATTERY POWER TO MODULE DTC, go to next step.
- Using scan tool, select THEFT ALARM, MISCELLANEOUS, CHANGE MODE and then DIAGNOSTICS to put theft alarm in diagnostics mode. If scan tool does not display TURN IGNITION KEY TO OFF, go to TEST 3A. If scan tool displays TURN IGNITION KEY TO OFF, go to next step.NOTE: When theft alarm enters into diagnostics mode, horn should sound 2 times, and VTSS indicator light and headlights should flash.
- Remove key from ignition switch. Open and close each door, depress power door lock switch to LOCK and UNLOCK positions, and rotate key in left and right front doors to UNLOCK position. If horn does not sound after each action, go to appropriate test. See VTSS SYSTEM TESTING table.
- Turn ignition switch to ON position. If horn sounds, go to next step. If horn does not sound, perform TEST 3A.
- Using scan tool, select THEFT ALARM and then MONITOR DISPLAY. Read VTSS status. If VTSS status is disarmed, system is okay. If VTSS status is other than DISARMED, perform VTSS TEST 1B.
- If PCM is 1 NO RESPONSE/2 NO RESPONSE, perform TEST 15A. If PCM is 1 NOT OK TO ARM VTSS/2 OK TO RUN ENGINE, replace Powertrain Control Module (PCM). If there is a problem with Remote Keyless Entry (RKE). perform TEST 16A.
VTSS SYSTEM TESTING
| Failed Component | TEST No. |
|---|---|
| Left Front Door | 7A |
| Right Front Door | 8A |
| Right Rear Door | 9A |
| Left Rear Door | 10A |
| Power Door Lock Switch Lock Position | 11A |
| Power Door Lock Switch Unlock Position | 12A |
| Left Front Door Key Cylinder | 13A |
| Right Front Door Key Cylinder | 14A |