Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Alarm Module, (Vehicle Antitheft)

IMMOBILIZER UNIT INSPECTION

1. Measure the voltage at the immobilizer unit terminals as indicated below.
2. Disconnect the immobilizer unit connector before inspecting for continuity at terminal B.
- If not as specified, inspect the pans listed under "Action".
- If the parts and wiring harnesses are okay but the system still does not work properly, replace the immobilizer unit.

Terminal Pinouts:




Terminal A - C:




Terminal D - N:




Terminal Voltage Table (Reference)