Immobilizer Indicator Blinks

Immobilizer System Symptom Troubleshooting - Immobilizer indicator blinks

Immobilizer indicator blinks

NOTE: Before troubleshooting, check the items listed in General Check before Troubleshooting.

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

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

3. From the SYSTEM SELECTION MENU, enter the IMMOBI, select the IMMOBILIZER SETUP, then select System Check, Number of keys, and STATUS LOG.

4. Select SYSTEM CHECK.

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 the 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 (G101) and/or an open or high resistance 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. 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 the No. 2 (15 A) fuse in the under-dash fuse/relay box is blown. If the fuse is OK, repair an open or high resistance in the wire between the under-dash fuse-relay box and the immobilizer-keyless control unit.�

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





Is there less than 0.2 V?

YES -

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

NO -

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