Engine Does Not Start With the Immobilizer Key

Engine does not start with the immobilizer key

NOTE: Before troubleshooting, check the items listed in "General Check before Troubleshooting" and "How to Troubleshoot".

1. Try to start the engine.

Does the engine start?

YES - Intermittent failure, the vehicle is OK at this time. Check status log.

NO - Go to step 2.

2. Turn the ignition switch to LOCK (0).
3. Turn the ignition switch ON (II), and check the immobilizer indicator indication.

Does the indicator quickly flash twice and turn off?

YES - Go to step 4.

NO - Do the immobilizer-keyless control unit input test.

4. Turn the ignition switch to START (III).

Does the starter crank the engine?

YES - Go to step 5.

NO - Go to Starting System troubleshooting and check the starter motor circuit.

5. Try to start the engine with a different known-good immobilizer key (previously programmed and known to start the vehicle).

Does the engine start?

YES - Replace the immobilizer key.

NO - Go to the PGM-FI System Symptom Troubleshooting.