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).
  1. Connect the HDS, then turn the ignition switch to ON (II).
  1. From the MAIN MENU, enter IMMOBILIZER, then select the IMMOBILIZER SETUP.
  1. Select the SYSTEM CHECK.
Is the SYSTEM CHECK indicated?
YES -
Troubleshoot the immobilizer system according to the result of the SYSTEM CHECK. ■
NO -
Go to Step 5 .
  1. Turn the ignition switch to LOCK (0).
  1. Enter the vehicle, and remove the ignition key from the ignition switch, then close the all doors.
  1. 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 unit 7P connector No. 7 terminal and body ground (G101).■
  1. Turn the ignition switch to ON (II).
  1. Back-probe and measure the voltage between the immobilizer-keyless control unit 7P connector No. 2 terminal 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 open in the YEL wire between the driver's under-dash fuse/relay box and the immobilizer-keyless control unit.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the 7P connector from the immobilizer-keyless control unit.