Immobilizer Indicator Blinks After the Ignition Switch Is Turned to Lock (0)
Immobilizer System Symptom Troubleshooting - Immobilizer indicator blinks after the ignition switch is turned to LOCK (0)
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, then select IMMOBILIZER SETUP, then select SYSTEM CHECK, Number of keys, and status Log.
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 and STATUS LOG Immobilizer System Status Log.
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 (G101) and/or an open in the wire between the 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 the immobilizer-keyless control unit 7P connector terminal No. 2 and body ground.
Is there battery voltage?
YES -
Go to step 10.
NO -
Check No. 2 (20 A) fuse in the under-dash fuse/relay box or for an open or high resistance in the YEL wire between the under-dash fuse/relay box and the immobilizer-keyless control unit.
10. Measure the voltage between the immobilizer-keyless control unit 7P connector terminal No. 7 and body ground.
Is there at least 0.2 V?
YES -
Repair poor connection or open or high resistance between the immobilizer-keyless control unit 7P connector terminal No. 7 and G101.
NO -
Replace the immobilizer-keyless control unit Service and Repair.