Immobilizer Indicator Blinks

Immobilizer System Symptom Troubleshooting - Immobilizer indicator blinks

Immobilizer indicator blinks after the ignition switch is turned to LOCK (0)

NOTE: Before troubleshooting, check the items listed in General Check before Troubleshooting Immobilizer System Symptom Troubleshooting Information.

1. Turn the ignition switch to LOCK (0).

2. Connect the HDS, then turn the ignition switch to ON (II).

3. From the MAIN MENU, enter IMMOBI, then select IMMOBILIZER SET-UP.

4. Check the SYSTEM CHECK and STATUS LOG information then select System check, Number of keys, and Status Log.

Is SYSTEM CHECK indicated?

YES -

Troubleshoot the immobilizer system according to the result of SYSTEM CHECK Immobilizer System Check.�

NO -

Go to step 5.

5. Turn the ignition switch to LOCK (0).

6. Enter the vehicle, and remove the ignition key from the ignition switch, then close all doors.

7. Operate the keyless transmitter LOCK and UNLOCK several times in the vehicle.

Do the door lock actuators work normally?

YES -

Go to step 8.

NO -

Check for a poor ground and/or an open in the wire between immobilizer-keyless control unit 7P connector terminal No. 7 and body ground (G101).�

8. Turn the ignition switch to ON (II).

9. Back probe and measure the voltage between immobilizer-keyless control unit 7P connector terminal No. 2 and body ground.





Is there battery voltage?

YES -

Go to step 10.

NO -

Check for a blown No. 2 (15 A) fuse in the under-dash fuse/relay box. If the fuse is OK, repair open in the LT BLU wire between the under-dash fuse/relay box and the immobilizer-keyless control unit.�

10. Back probe and measure the voltage between immobilizer-keyless control unit 7P connector terminal No. 7 and body ground.





Is there at least 0.2V?

YES -

Repair poor connection or open or high resistance between immobilizer-keyless control unit 7P connector terminal No. 7 and G101.�

NO -

Replace the immobilizer-keyless control unit.� Service and Repair