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:
Fuel pump relay-pcm output. Idle air control (iac) motor-pcm
output. Radiator fan relay-pcm output
Fuel pump relay-pcm output
DESCRIPTION
The 5-pin, 12-volt, fuel pump relay is located in
the Power Distribution Center (PDC). Refer to the
label on the PDC cover for relay location.
OPERATION
The Powertrain Control Module (PCM) energizes
the electric fuel pump through the fuel pump relay.
T ...