Jeep Cherokee (XJ): Service procedures

Previous pageDiagnosis and testing

Engine diagnosis-introduction Engine diagnosis is helpful in determining the causes of malfunctions not detected and remedied by routine maintenance. These malfunctions may be classified as eithe ...

Next pageValve timing. Valve, guide and seal. Piston-fitting

Valve timing Disconnect the spark plug wires and remove the spark plugs.  Remove the engine cylinder head cover.  Remove the capscrews, bridge and pivot assembly, and rocker arms ...

Other materials:

Automatic shutdown (asd) relay sense-pcm input. Battery voltage-pcm input. Brake switch-pcm input
Automatic shutdown (asd) relay sense-pcm input DESCRIPTION The ASD relay is located in the Power Distribution Center (PDC). The PDC is located in the engine compartment. Refer to label on PDC cover for relay location. OPERATION A 12 volt signal at this input indicates to the PCM that the AS ...