Helpful Information

Circuit K25 splices to supply 5 Volts to the crankshaft position sensor, manifold absolute pressure sensor, and throttle position sensor.

Circuit K4 splices to supply ground for the signals from the following:
- Battery temperature sensor
- Crankshaft position sensor
- Downstream heated oxygen sensor
- Engine coolant temperature sensor
- Fuel pump module
- Intake air temperature sensor
- Manifold absolute pressure sensor
- Oil pressure sensor
- Powertrain control module
- Throttle position sensor
- Transmission solenoid assembly
- Upstream heated oxygen sensor
- Vehicle speed control switch
- Vehicle speed sensor