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Symptom Related Diagnostic Procedures

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 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.

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.

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.

NO - Go to Symptom Troubleshooting by the Immobilizer Indicator.