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

Fault-Tracing Information






Fault-tracing information

Condition




- The fault is permanent.
- Correct memory cassette being used.
- Alarm disarmed

Possible source
- Poor battery voltage.
- Open-circuit, short-circuit to ground or short-circuit to supply voltage in cable to data link connector (DLC).
- Open-circuit in data link connector (DLC) supply voltage or ground.
- Defective VCT 2000, adapter or wiring.