Manifold Pressure/Vacuum Sensor: Testing and Inspection

Circuit K25 splices to supply 5 Volts to the camshaft position sensor, crankshaft position sensor and throttle position sensor.
Circuit K4 splices to supply ground for the signals from the following:
- Upstream and downstream heated oxygen sensors
- Camshaft position sensor
- Crankshaft position sensor
- Intake air temperature sensor
- Throttle position sensor
- Engine coolant temperature sensor
- Vehicle speed sensor