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Home >> Lexus >> 2003 >> ES 300 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Key Unlock Warning System - Diagnosis >> Problem Symptoms Table

Problem Symptoms Table

PROBLEM SYMPTOMS

Symptom Suspected area See page
Key unlock warning buzzer does not sound 1. Lock warning switch assy UNLOCK WARNING SWITCH CIRCUIT 
2. Front door courtesy lamp switch assy DOOR COURTESY SWITCH ASSY (FOR FRONT DOOR) CIRCUIT 
3. Driver side J/B (Body ECU) TERMINALS OF ECU 
4. Combination meter -
5. Wire harness -