Anti-Theft Indicator Circuit
NOTE:
If LEXUS scan tool is available, start test from step 1). If this scan tool is not available, start test from step 2).
- Check Anti-Theft Indicator Using Scan Tool
Connect a jumper wire between DLC1 connector terminals E1 and Tc. See Fig 1. Using scan tool, operate anti-theft indicator in ACTIVE TEST. If anti-theft indicator does not operate, go to next step. If anti-theft indicator operates, go to next test listed in appropriate TROUBLE SHOOTING SYMPTOMS table. - Check Anti-Theft Indicator
Check anti-theft indicator. See ANTI-THEFT INDICATOR under COMPONENT TESTS. If anti-theft indicator is okay, go to next step. Replace anti-theft indicator as necessary. Retest system operation. - Check Circuits
Check circuits for faults between anti-theft indicator, body control ECU No. 1 and ground. See WIRING DIAGRAMS. Repair or replace as necessary. If circuits are okay, go to next test listed in appropriate TROUBLE SHOOTING SYMPTOMS table.