Immobilizer System

Diagnostic Trouble Code

CAUTION: When engine does not start or engine stalls and the following DTCs are not indicated, go to engine symptom troubleshooting.

NOTE:
^ When the immobilizer system is defective, the engine starts once and soon stalls after turning the starter for the first three times. For the forth time or after, the engine can not be started.
^ If engine condition is normal but light stays ON, inspect for short circuit between security light and immobilizer unit connector terminal M.
Repair or replace the wiring harness if necessary.

1. Turn the ignition switch to START for 2 seconds, then back to ON.
2. Wait for 2 minutes.
3. Verify the security light condition and read the DTC if indicated.
4. Verify the DTC with NGS or equivalent.
5. If the DTC is indicated, go to troubleshooting referring to the diagnostic trouble code table.




Diagnostic Trouble Code Table
DTC indicated by immobilizer unit

DTC indicated by PCM

DTC indications after 4th engine cranking under immobilizer system malfunctions (Reference)

NOTE:
^ When the following malfunctions occur on the immobilizer system, DTC(s) will be indicated as follows.
^ These are not all potential malfunctions.