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

Tip:

  • 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.

  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

  • If the problem only occurs in certain locations or at certain times of day, check for wave interference.

  • If vehicle components are added, check for wave interference from the added components.

Table 1. Immobiliser System

Symptom

Suspected Area

Link

Security indicator light does not blink

Proceed to "Security Indicator Light Does not Blink"

Click here

Engine cannot be started*1

Certification ECU (smart key ECU assembly)

Click here

ID code box (immobiliser code ECU)*3

Click here

ECM

Click here

SFI system*4

Click here

ECD system*5

Click here

Blocking system*6

Click here

Power source mode cannot be changed*1

Engine switch

Click here

Certification ECU (smart key ECU assembly)

Click here

Steering lock lock/unlock not possible*2

Steering lock ECU (steering lock actuator assembly)

Click here

  • *1: Refer to Problem Symptoms Table for Entry and Start System (for Start Function).

  • *2: Refer to Problem Symptoms Table for Steering Lock System.

  • *3: w/ Multi-information Display (Dot Display Type)

  • *4: for Gasoline

  • *5: for Diesel

  • *6: w/ Blocking System