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Home >> Toyota >> 2021 >> 4Runner TRD Pro >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Engine Immobilizer System (W/ Smart Key System) - Diagnostics - Introduction >> ENGINE IMMOBILIZER SYSTEM (w/ Smart Key System) >> Problem Symptoms Table [08/2015 - 08/2019] >> Problem Symptoms Table [08/2015 - 08/2019]
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Problem Symptoms Table [08/2015 - 08/2019]

HINT: 

ENGINE IMMOBILIZER SYSTEM

Symptom Suspected Area Refer To
Engine does not start LIN communication system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ]
ID code box power source circuit Refer to ID Code Box Power Source Circuit [08/2015 - 08/2019]
Certification ECU power source circuit Refer to Certification ECU Power Source Circuit [08/2015 - 08/2019]
Steering lock system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019]
Smart key system (for Start Function) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019]
SFI system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ]
Security indicator light malfunction Security indicator light circuit Refer to Security Indicator Light Circuit [08/2015 - 08/2019]
Certification ECU Refer to TERMINALS OF ECU [08/2015 - 08/2019]