Admin What controls the AC compressor clutch?
The PCM/ECM monitors the low and high pressure switches and if the pressures are withing spec, the PCM/ECM provides ground to the AC compressor clutch relay control coil . The control coil energizes and closes the relay contacts to provide power to the AC compressor clutch coil.
What engages the AC compressor clutch?
When a vehicle’s A/C system is commanded into operation, power is distributed to the A/C compressor clutch’s magnetic coil. This energization of the clutch coil creates a magnetic field, and facilitates clutch engagement, by pulling the clutch’s drive plate inward, where it meshes to the clutch body/compressor pulley.
Is the AC compressor clutch controlled by a relay?
The AC compressor relay is responsible for supplying power to the AC compressor and clutch. Without this relay, the AC compressor will not have power and the AC system will not function.
What causes an AC clutch to stop working?
Top Reasons Your AC Compressor Stopped Working Dirty condenser coils. Blocked suction lines. Low refrigerant charge. Incorrect suction line size.
What module controls the compressor clutch relay?
Power-train Control Module
The Module and control will be your PCM (Power-train Control Module), It is another effective way to control the PCM with the module.
How do I manually engage my AC compressor?
At the compressor’s front side, unplug the single wire connector, take a jumper wire and attach it to the wire that you just disconnected from the compressor. Connect the other end of the jumper’s wire to the positive terminal of the car battery. This will enable the compressor to start manually.
How do I manually engage my AC compressor clutch?
Where is the AC clutch relay?
Locate the air conditioner clutch relay by tracing the wire connection from the air conditioner compressor plug-in to the relay. In most cases, the relay is mounted on the fender well or fire wall. The relay in a typical A/C control installation has a three-wire connection.
How do I manually jump my AC compressor clutch?