Jeep Cherokee (XJ): Description and operation
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Heating and air conditioning > Description and operation
- Accumulator. Blower motor. Blower motor relay
- Blower motor resistor. Blower motor switch. Compressor
- Compressor clutch. Compressor clutch relay. Condenser
- Dual function high pressure switch (4.0 L). Evaporator coil. Fixed orifice tube
- Heater and air conditioner. Heater and air conditioner control. Heater core
- High pressure cut-off switch. High pressure relief valve. Low pressure cycling clutch switch
- Refrigerant. Refrigerant lines. Refrigerant line couplers
- Refrigerant oil. Refrigerant system service port. Vacuum check valve
- Vacuum reservoir
Accumulator. Blower motor. Blower motor relay
Accumulator
DESCRIPTION
The accumulator is mounted in the engine compartment
between the evaporator coil outlet tube and
the compressor inlet.
OPERATION
Refrigerant enters the accumulator caniste ...
Other materials:
Modes of operation
OPERATION
As input signals to the Powertrain Control Module
(PCM) change, the PCM adjusts its response to the
output devices. For example, the PCM must calculate
different injector pulse width and ignition timing for
idle than it does for wide open throttle (WOT).
The PCM will operate in two ...

