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Engine Hood Courtesy Switch 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.
  1. Using scan tool, check engine hood courtesy switch using DATA LIST. If engine hood courtesy switch is faulty, go to next step. If engine hood courtesy switch is okay, go to next test listed in appropriate SYMPTOM DIAGNOSIS table under TROUBLE SHOOTING .
  2. Check engine hood courtesy switch. See ENGINE HOOD COURTESY SWITCH  under COMPONENT TESTS. Replace engine hood courtesy switch as necessary. Retest system operation. If switch is okay, go to next step.
  3. Check circuits for faults between engine hood courtesy switch and body control ECU. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, go to next test listed in BODY NO. 2 CONTROL SYSTEM  table under TROUBLE SHOOTING .
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