Jeep Cherokee (XJ): Diagnosis and testing
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Cooling system > Diagnosis and testing
- On-board diagnostics (OBD). Accessory drive belt diagnosis. Preliminary checks
- Radiator coolant flow check. Cooling system-testing for leaks. Viscous fan drive
- Electric cooling fan. Radiator cap-to-filler neck seal-pressure relief check. Radiator cap-pressure testing
- Coolant-low level aeration. Deaeration
Cooling system
DESCRIPTION
The cooling system regulates engine operating temperature.
It allows the engine to reach normal operating
temperature as quickly as possible, maintains
normal operatin ...
On-board diagnostics (OBD). Accessory drive belt diagnosis. Preliminary checks
On-board diagnostics (OBD)
COOLING SYSTEM RELATED DIAGNOSTICS
The Powertrain Control Module (PCM) has been
programmed to monitor the certain following cooling
system components:
If the en ...
Other materials:
Trip definition. Component monitors. Non-monitored circuits
Trip definition
OPERATION
The term "Trip" has different meanings depending
on what the circumstances are. If the MIL (Malfunction
Indicator Lamp) is OFF, a Trip is defined as
when the Oxygen Sensor Monitor and the Catalyst
Monitor have been completed in the same drive cycle.
When any Emissio ...