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HVAC
ELECTRIC CIRCUIT TROUBLESHOOTING
The magnetic clutch does not operate (both the condenser and the radiator fan functions properly)
Check the AC relay
Check the pressure switch
Check the thermal protector
1. Turn on the ignition switch, blower switch,
and AC switch .
2. Measure the voltage of the a/c relay
connector.
Measure the voltage of the pressure switch
Measure the voltage of the magnet clutch
Check the magnet clutch
12 V
12 V
12 V
0 V
0 V
0 V