Operation CHARM: Car repair manuals for everyone.

Helpful Information

Circuit A142 also supplies battery voltage to the fuel injectors and ignition coil.

Circuit K167 splices to supply ground for the signals from the following:
- Battery temperature sensor
- Camshaft position sensor
- Crankshaft position sensor
- Intake air temperature sensor
- Throttle position sensor
- Manifold absolute pressure sensor
- Engine coolant temperature sensor
- Vehicle speed sensor
- Oil pressure sensor