What are the symptoms of a faulty car air conditioning relay?
1 Answers
When a car's air conditioning relay fails, the following symptoms may occur: 1. Faulty vehicle air conditioning relay: The vehicle's air conditioning system fails to start, and the compressor cannot operate. Even if the air conditioning occasionally starts, it will not provide cooling. 2. After power is applied, the refrigeration compressor does not work. When testing the adjustment components, if the relay does not engage, it indicates a relay malfunction. Use a multimeter to check whether the power supply circuit is normal. 3. Causes of relay damage: Poor contact of the relay's contacts (due to high-temperature burning or contamination). 4. If there is virtual soldering or desoldering of the relay's pins, the relay should be re-soldered or replaced immediately.