Engine Does Not Start With the Immobilizer Key

Engine does not start with the immobilizer key

NOTE: Before troubleshooting, check the following general items and solve any if applicable:

- If the battery is low; charge the battery fully, then troubleshoot the immobilizer system.
- If the ignition key is not a genuine Acura part; use the Acura-approved key blank, register the key, then troubleshoot the immobilizer system.
- Check the key ring, keys, or a key case is being used; remove the key from it, and troubleshoot the immobilizer system with only a key.
- If an aftermarket electrical part is attached; remove it, then troubleshoot the immobilizer system.

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 OFF.
3. Turn the ignition switch ON (II), and check the immobilizer indicator light operation.

Does the indicator come on for 2 seconds, then go off?

YES - Go to step 4.

NO - Go to the immobilizer indicator blinks troubleshooting.

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

Does the starter motor run?

YES - Go to step 5.

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

5. Try to start the engine with the immobilizer key.

Does the engine start?

YES - Go to step 6.

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

6. Wait for a few minutes with the engine running.

Does the engine stop?

YES - Go to the PGM-FI System Symptom Troubleshooting.

NO - The system is OK at this time.