Operation CHARM: Car repair manuals for everyone.

Alarm System Diagnosis I32 / 148

Fault code 40

Signal converter coil fault

Diagnostic conditions

- Ignition on

Possible cause of fault
- Short circuit to voltage/ground or open circuit in the wiring between the transponder coil and the signal converter

Affected terminals
Plug on signal converter, pins 1 and 2

Diagnosis/troubleshooting