Keyless Access System Symptom Troubleshooting - Immobilizer/security indicator blinks (2025)
Immobilizer/security indicator blinks
- Keyless access system check 1
-1. Select KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system select menu with HDS, and enter KEYLESS ACCESS SYSTEM INFORMATION.
-2. Do the SYSTEM CHECK 1 and 2 with the HDS.
SYSTEM CHECK 1
SYSTEM CHECK 2
Are N-1 OK and N-2 OK indicated?
YES
Go to step 2.
NO
Troubleshoot the keyless access system according to the result of the SYSTEM CHECK 1 and 2.
- Keyless access system check 2
-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 (7.9 in) away from the vehicle.
-3. Press the engine start/stop switch 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. Select BACKUP CONTROL UNIT from the ONE-PUSH START system select menu with the HDS, and enter SYSTEM INFORMATION.
-7. Do the SYSTEM CHECK with the HDS.
System Check
Is N-1 OK indicated?
YES
Go to step 3.
NO
Troubleshoot the keyless access system according to the result of the SYSTEM CHECK.
- Gauge control module check
-1. Select GAUGES from the BODY ELECTRICAL SYSTEM SELECT menu with the HDS.
-2. Select FUNCTION TESTS from the TEST MODE menu with the HDS, and enter SELF TEST.
FunctionTest
Does the immobilizer/security indicator blinking?
YES
Go to the PGM-FI system troubleshooting - Refer to: HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS or HOW TO TROUBLESHOOT THE ELECTRIC BRAKE BOOSTER SYSTEM .
NO
Replace the gauge control module GAUGE CONTROL MODULE REMOVAL AND INSTALLATION .