the voltage is low on the relay causing it to chatter. thus the a/c pump does not operate properly. I suspect the compressor control unit.
need help to test my theory
where do I find this CCU
any advice will be appreciated
thank you
Thermostat faulty
Not enough gas in the system
problem is resolved
Not enough gas in the system
problem is resolved
Feedback. 6 months later the same problem started again. This time I read that the engine coolant sensor is in series with the relay. I found the wires to the sensor was loss. Soldered every and made sure of good connections. Tested it in 35 degree weather nd it worked like a aircon should.