Jeep Cherokee (XJ): On-board diagnostics
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Emission control systems > On-board diagnostics
- Emission system. Malfunction indicator lamp (mil). State display test mode
- Circuit actuation test mode. Diagnostic trouble codes. Diagnostic trouble code descriptions
- Task manager
- Monitored systems
- Trip definition. Component monitors. Non-monitored circuits
- High and low limits. Load value
Emission system. Malfunction indicator lamp (mil). State display test mode
Emission system
OPERATION
The Powertrain Control Module (PCM) monitors
many different circuits in the fuel injection, ignition,
emission and engine systems. If the PCM senses a
problem with a moni ...
Other materials:
Cooling system fans. Viscous fan drive removal/
installation
Cooling system fans
REMOVAL
Some engines have the mechanical fan/viscous fan
drive assembly mounted directly to the water pump
hub (Fig. 55). It may also be mounted to a hub/bearing
attached to an aluminum bracket on the right
front side of engine (Fig. 56).
(1) Loosen but do not remove at t ...