Operation CHARM: Car repair manuals for everyone.

Input Signals



Input signals
1 = Idle detection
2 = Full load detectn.
3 = ACS switch.

< Input signals
1 = A/C compressor
2 = Signal heating
3 = Reference mark

< Input signals
1 = Fuel reserve.

This menu can be used to poll the status of input signals.
For idle speed and full load detection, the engine must be running.

Signal heating
The heating/air conditioning controller transmits a signal to the DME/ECM if the temperature mixing valves are more than 90% open in order to prevent coasting shutoff.