Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Keyless Access System Symptom Troubleshooting - Immobilizer indicator does not go off or does not come on
Immobilizer indicator does not go off or does not come on
- Keyless access system check 1
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Turn the vehicle to the ON mode.
- 3. Check the immobilizer indicator.
Does the immobilizer indicator come on?
YES
Go to step 2.
NO
Go to step 5.
- Keyless access system check 2
-1. Check the immobilizer indicator.
Does the indicator come on, then go off?
YES
Go to step 3.
NO
Go to step 6.
- Keyless access system check 3
-1. With driver's power window open and all the doors closed, turn the vehicle to the OFF (LOCK) mode.
- 2. Remove all the keyless remotes from inside the vehicle. Hold them outside the open driver's window, at least 20 cm (8.0 in) away from the vehicle.
- 3. Press the engine start/stop button. The MID should request the keyless remote to touch the engine start/stop button. The LED on the engine start/stop button will flash for up to 30 seconds.
- 4. Touch the engine start/stop switch with the keyless remote. The buttons on the keyless remote should be facing you. The LED on the engine start/stop button will turn solid when detected.
- 5. Turn the vehicle to the ON mode.
- 6. Check the immobilizer indicator.
Does the indicator blink once, then stay off?
YES
Intermittent failure, the system is OK at this time. Check for loose or poor connections.
NO
Go to step 4.
- Keyless access system check 4
-1. Select BACKUP CONTROL UNIT from the ONE-PUSH START system select menu with the HDS, and enter SYSTEM INFORMATION.
One-Push - BACKUP CONTROL UNIT - System Information
Do the SYSTEM CHECK with the HDS.
Is N-1 OK indicated?
YES
Replace the gauge control module .
NO
Troubleshoot the keyless access system according to the result of the SYSTEM CHECK.
- PGM-FI system check
-1. Check the malfunction indicator lamp (MIL).
Does the indicator come on?
YES
Troubleshooting the PCM DTCs.
NO
- Keyless access system check 3
-1. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with HDS, and enter KEYLESS ACCESS SYSTEM INFORMATION.
One-Push - KEYLESS ACCESS CONTROL UNIT- Smart Information
Do the SYSTEM CHECK 1 and 2 with the HDS.
Is N-1 OK indicated?
YES
Replace the gauge control module .
NO
Troubleshoot the keyless access system according to the result of the SYSTEM CHECK 1 and 2.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.