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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Immobiliser System (W/ Smart Key) (Diagnostics - Introduction)) >> Engine Immobiliser System (W/ Smart Key System) >> Problem Symptoms Table >> Problem Symptoms Table

Problem Symptoms Table

WARNING: This page is about a different variant/trim than selected.

HINT: 

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

ENGINE IMMOBILISER SYSTEM:

Symptom Suspected Area See
Engine does not start. Key Refer to DATA LIST / ACTIVE TEST 
ID code box power source circuit Refer to ID Code Box Power Source Circuit
Certification ECU power source circuit Refer to Certification ECU Power Source Circuit
Steering lock ECU power source circuit Refer to Power Source Circuit
Smart key system (Starting) Refer to HOW TO PROCEED WITH TROUBLESHOOTING
SFI system Refer to HOW TO PROCEED WITH TROUBLESHOOTING
Security indicator light is always ON. Security indicator light Refer to Security Indicator Light Circuit
Wire harness or connector -
Certification ECU (Smart key ECU assembly) -
Security indicator light is OFF. Security indicator light Refer to Security Indicator Light Circuit
Wire harness or connector -
Certification ECU (Smart key ECU assembly) -