Jeep Cherokee (XJ): Diagnosis and testing
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Battery > Diagnosis and testing
Battery
DESCRIPTION
1 - POSITIVE POST
2 - VENT
3 - CELL CAP
4 - TEST INDICATOR
5 - CELL CAP
6 - VENT
7 - NEGATIVE POST
8 - GREEN BALL
9 - ELECTROLYTE LEVEL
10 - PLATE GROUPS
11 - LOW-MAIN ...
DIAGNOSIS
The battery, starting system and charging system
in the vehicle operate with one another, and must be tested as a complete
system. In order for the engine
to start and the battery to ch ...
Other materials:
Powertrain control module (PCM)
DESCRIPTION
The Powertrain Control Module (PCM) is located
in the engine compartment (Fig. 1). The PCM is
referred to as JTEC.
OPERATION
The PCM operates the fuel system. The PCM is a
pre-programmed, triple microprocessor digital computer.
It regulates ignition timing, air-fuel ratio,
emis ...