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Home >> Lexus >> 2011 >> IS 250 Base, AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Engine Immobiliser System (Diagnostics - Introduction) >> Engine Immobilizer System >> Problem Symptoms Table >> Problem Symptoms Table

Problem Symptoms Table

IMMOBILIZER FUNCTION

Symptom Suspected Area See
Engine does not start 1. Key Refer to DATA LIST/ACTIVE TEST 
2. ID code box power source circuit Refer to ID Code Box Power Source Circuit
3. Certification ECU power source circuit Refer to Certification ECU Power Source Circuit
4. Steering lock ECU power source circuit Refer to HOW TO PROCEED WITH TROUBLESHOOTING
5. Smart access system with push-button start -
6. SFI system -