Immobilizer System Symptom Troubleshooting - Security indicator turns on
- Immobilizer system check
-1. Connect the HDS to the data link connector (DLC) .
-2. Turn the vehicle to the ON mode.
-3. From the SYSTEM SELECTION MENU, enter IMMOBI, then select IMMOBILIZER INFO.
NOTE: If the HDS does not communicate with the immobilizer-keyless control unit, check the power, ground, and K-line connections.
Immobilizer - Information/Record Data/History Data - Immobilizer Information
Do the SYSTEM CHECK from the IMMOBILIZER INFO.
Is N-1 OK indicated?
YES
Replace the gauge control module .
NO