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:
Red Telltale Indicator Lights
Seat Belt Reminder Warning Light
Red Telltale
Light
What It Means
Seat Belt Reminder Warning LightWhen the ignition switch
is first turned to ON/RUN, this light will turn on for four to eight
seconds as a bulb check. During the bulb check, if the driver's seat
b ...