Jeep Cherokee (XJ): Diagnosis and testing
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Heating and air conditioning > Diagnosis and testing
- A/C performance
- Blower motor. Blower motor relay. Blower motor resistor
- Blower motor switch. Compressor. Compressor clutch coil
- Compressor clutch relay. Dual function high pressure switch/high pressure cut-off switch. Heater performance
- Low pressure cycling clutch switch. Refrigerant system leaks. Vacuum system
DESCRIPTION
The vacuum reservoir is mounted to the front
bumper bar behind the passenger side bumper end
cap. The bumper end cap must be removed from the
vehicle to access the vacuum reservoir for ...
The air conditioning system is designed to provide
the passenger compartment with low temperature
and low humidity air. The evaporator, located in the
heater-A/C housing on the dash panel below the ...
Other materials:
Five volt sensor supplies-primary
and secondary. Fuel level sensor-pcm input. Engine coolant temperature
sensor-pcm input
Five volt sensor supplies-primary
and secondary
DESCRIPTION
Two different Powertrain Control Module (PCM)
five volt supply circuits are used; primary and secondary.
OPERATION
These 2 circuits will:
supply the required 5 volt power source to the
Crankshaft Position (CKP) sensor.
&n ...