Operation CHARM: Car repair manuals for everyone.

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 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 SYSTEM SELECTION MENU, enter IMMOBI, select IMMOBILIZER SETUP, then select SYSTEM CHECK, NUMBER OF KEYS, and STATUS LOG.

4. Select the SYSTEM CHECK.

Is 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 and/or an open in the wire between the immobilizer-keyless control unit7P connector No. 7 terminal 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 for a blown No. 9 (20 A) fuse in the driver's under-dash fuse/relay box. If the fuse is OK, repair an open in the YEL wire between the driver's 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 poor connection or open between immobilizer-keyless control unit 7P connector terminal No. 7 and body ground (G101).