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:
Description and operation. Diagnosis and testing. Removal and installation
Description and operation
POWER STEERING GEAR
DESCRIPTION
The power steering gear is a recirculating ball type
gear with a 14:1 ratio.
OPERATION
The gear acts as a rolling thread between the
worm shaft and rack piston. The worm shaft is supported
by a thrust bearing at the lower end and a
be ...