Engine Does Not Start With the Built-In Key

Immobilizer System Symptom Troubleshooting - Engine does not start with the built-in key

Engine does not start with the built-in key

NOTE: Before troubleshooting, check the following general items:

- If there is a keyless access system symptom, troubleshoot the keyless access system first.
- The battery voltage is low; charge the battery fully, then troubleshoot the immobilizer system.
- The ignition key is not a genuine Acura part; use the Acura approved key blank, register the key, then troubleshoot the immobilizer system.
- A key ring, keys, or a key case is being used; remove the key from it, and troubleshoot the immobilizer system with only a key.
- An aftermarket electrical part is attached; remove it, then troubleshoot the immobilizer system.

1. Try to start the engine with the built-in key.

Does the engine start?

YES -

Refer to the Status Log Immobilizer System Status Log.�

NO -

Go to step 2.

2. With the HDS, check the immobilizer system check results.

Is a result listed?

YES -

Check the items in the System Check table Immobilizer System Check.�

NO -

Go to step 3.

3. Check the immobilizer indicator operation.

Does the immobilizer indicator work normally?

YES -

The immobilizer system is OK at this time. Refer to the Fuel and Emissions System's Symptom Troubleshooting.�

NO -

Go to Symptom Troubleshooting using the Immobilizer Indicator Lighting Pattern Immobilizer System Symptom Troubleshooting Information.�