Immobilizer Indicator Blinks

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. Enter the IMMOBILIZER, then select the IMMOBILIZER SETUP.

4. Select the SYSTEM CHECK.

Is the SYSTEM CHECK indicated?
YES - Troubleshoot the immobilizer system according to the result of the 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 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 - Repair open in the YEL 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 0.1 V or more?
YES - Repair poor connection or open between immobilizer-keyless control unit 7P connector terminal No. 7 and G101.

NO - Replace the immobilizer-keyless control unit. Service and Repair