Jeep Cherokee (XJ): Service procedures
- Valve timing. Valve service. Piston fitting
- Piston ring-fitting
- Fitting connecting rod bearings. Fitting crankshaft main bearings. Form-in-place gaskets
- Engine performance. Honing cylinder bores. Repair damaged or worn threads
- Service engine assembly (short block). Hydrostatic lock. Engine oil service
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 ...
Valve timing. Valve service. 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 from above the ...
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 ...