Operation CHARM: Car repair manuals for everyone.
Home >> Jeep >> 1997 >> Grand Cherokee 4WD V8-5.2L VIN Y >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Manifold Pressure/Vacuum Sensor >> Testing and Inspection
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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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:
- Battery temperature sensor
- Camshaft position sensor
- Crankshaft position sensor
- Downstream heated oxygen sensor
- Engine coolant temperature sensor
- Fuel pump module
- Intake air temperature sensor
- Oil pressure sensor
- Powertrain control module
- Throttle position sensor
- Transmission solenoid assembly
- Upstream heated oxygen sensor
- Vehicle speed control switch
- Vehicle speed sensor
pro multis · About Operation CHARM