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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Helpful Information

Circuit A142 splices to supply voltage to the fuel injectors, distributor, ASD relay, generator, and the EGR solenoid. The PCM controls the ground path for each of the components powered by circuit A142.

Circuit K4 splices to supply ground for the signals for the following:
- Intake air temperature sensor
- Engine coolant temperature sensor
- Manifold absolute pressure sensor
- Throttle position sensor
- A/C pressure switch
- Camshaft position sensor
- Crankshaft position sensor
- Vehicle speed sensor