ENGINE IMMOBILISER SYSTEM (w/ Entry and Start System) > PROBLEM SYMPTOMS TABLE

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HINT:
  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.


Engine Immobiliser System 
Symptom
Suspected Area
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Engine does not start.
Key
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ID code box power source circuit
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Certification ECU power source circuit
Click here
Steering lock ECU power source circuit
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Smart entry and start system (start function)
Click here
SFI system (for 1KR-FE)
Click here
SFI system (for 1NR-FE)
Click here
ECD system (for 1ND-TV)
Click here