VTSS Test 2A - VTSS Indicator Light Comes On While Driving
NOTE:
Perform VTSS TEST 1A
before proceeding with this test. For connector terminal identification, refer to CONNECTOR IDENTIFICATION
. For wiring diagrams, refer to WIRING DIAGRAMS
. Refer to ANTI-THEFT SYSTEM
article. After each repair, perform TEST VER-2A
.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting any module connector. Ensure all connectors are clean and tight.
- Disconnect Powertrain Control Module (PCM) Gray connector. PCM is located in engine compartment, next to power distribution center. Inspect terminals for damage. Repair as required. Reconnect PCM connector. Turn ignition on, engine off. Using scan tool, read PCM status under MONITORS. While observing scan tool, wiggle PCM wiring harness.
- If scan tool displays NO RESPONSE FROM ENGINE CONTROLLER, go to VEHICLE COMMUNICATIONS TEST 9A . If scan tool does not display NO RESPONSE FROM ENGINE CONTROLLER, replace PCM.