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Home >> Lexus >> 2001 >> IS 300 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems >> System Tests >> Test No. 7 : Key Unlock Warning Switch Circuit
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Test No. 7 : Key Unlock Warning Switch Circuit

  1. Check key unlock warning switch. See STEERING COLUMN SWITCHES article. Replace switch as necessary. Retest system operation. If switch is okay, go to next step.
  2. Check circuits for faults between key unlock warning switch and body control ECU See WIRING DIAGRAMS . Repair or replace as necessary.