FixVault

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - ENGINE IMMOBILIZER SYSTEM

Symptom Suspect Area
Immobiliser is not set.
(Engine starts with key codes other than the registered key code.)
ECM
Engine does not start.
  1. Key
  2. Wire harness
  3. Transponder key coil
  4. Amplifier
  5. ECM
Security indicator is always ON.
  1. Security indicator
  2. Wire harness
  3. ECM
Security indicator is always ON.
(Although code has been registered in the automatic registration mode, indicator is not OFF.)
  1. Wire harness
  2. Transponder key coil
  3. Amplifier
  4. ECM
Security indicator is OFF.
(When DTC of immobiliser is output)
  1. Wire harness
  2. Transponder key coil
  3. Amplifier
  4. ECM
Security indicator is OFF.
(When DTC of immobiliser is not output)
  1. Wire harness
  2. ECM
Security indicator is abnormally blinking.
  1. Wire harness
  2. ECM