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:
Automatic shutdown (asd) relay
sense-pcm input. Battery voltage-pcm input. Brake switch-pcm input
Automatic shutdown (asd) relay
sense-pcm input
DESCRIPTION
The ASD relay is located in the Power Distribution
Center (PDC). The PDC is located in the engine compartment.
Refer to label on PDC cover for relay location.
OPERATION
A 12 volt signal at this input indicates to the PCM
that the AS ...