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Home >> Toyota >> 1998 >> Avalon XLS >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System >> System Tests >> Test No. 10

Test No. 10

  1. Check Trunk Courtesy Light Operation

    Remove trim panel (if necessary) for access to trunk courtesy switch. Trunk courtesy switch is located near trunk latch assembly. See Figure.
  2. Check that trunk courtesy light comes on when trunk courtesy switch is not pushed and goes off when trunk courtesy switch is pushed. See Figure.
  3. If trunk courtesy light operates properly, go to next step. If trunk courtesy light does not operate properly, check trunk courtesy switch. See TRUNK COURTESY SWITCH  under COMPONENT TESTS. If trunk courtesy switch is defective, replace trunk courtesy switch. If trunk courtesy switch is okay, check wiring circuit for trunk courtesy light. See ILLUMINATION/INTERIOR LIGHTS article.

  4. Check Trunk Courtesy Switch Wiring

    Check for defective connectors and Red/White wire between trunk courtesy switch and anti-theft system Electronic Control Unit (ECU). See WIRING DIAGRAMS . Anti-theft system ECU is located near passenger's side of instrument panel, behind glove box, just above kick panel and uses a 12-pin electrical connector and a 22-pin electrical connector. See Figure.
  5. If connectors and wiring are okay, replace anti-theft system ECU. See ANTI-THEFT SYSTEM ECU  under REMOVAL & INSTALLATION. Check system operation. If anti-theft system still cannot be set, go to next test listed. See TROUBLE SHOOTING SYMPTOMS  table under TROUBLE SHOOTING. If connectors or wiring are defective, repair as necessary.
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