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:
Disassembly and assembly
Housing end plug
DISASSEMBLY
(1) Unseat and remove retaining ring from groove
with a punch through the hole in the end of the
housing (Fig. 2).
Fig. 2 End Plug Retaining Ring
1 - RETAINING RING
(2) Slowly rotate stub shaft with 12 point socket
COUNTER-CLOCKWISE to force the end plug out
...