Operation CHARM: Car repair manuals for everyone.

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Circuit K6 splices to supply 5 volts to the manifold absolute pressure sensor.

Circuit K4 splices to supply ground for the signals from the following:
- Heated oxygen sensor(s)
- Camshaft position sensor
- Crankshaft position sensor
- Intake air temperature sensor
- Manifold absolute pressure sensor
- Engine coolant temperature sensor
- Vehicle speed sensor