Ford F-150 2001 Climate Control System Workshop Manual page 16

2001 F-150 Workshop Manual
C13 CHECK THE VOLTAGE AT THE A/C COMPRESSOR CLUTCH FIELD COIL
A/C Compressor Clutch Field Coil C106
C14 CHECK FOR GROUND AT THE A/C COMPRESSOR CLUTCH FIELD COIL
C15 CHECK CIRCUIT 321 (GY/WH)
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Is the voltage greater than 10 volts?
Yes
INSTALL a new function selector switch. TEST the system for normal operation.
No
REPAIR circuit 295 (LB/PK). TEST the system for normal operation.
Measure the voltage between the A/C compressor clutch field coil C106, circuit 321 (GY/WH) and ground.
Is the voltage reading greater than 10 volts?
Yes
GO to C14.
No
GO to C15.
Measure the resistance between the A/C compressor clutch field coil C106, circuit 57 (BK) and ground.
Is the resistance less than 5 ohms?
Yes
GO to C19.
No
REPAIR circuit 57 (BK). TEST the system for normal operation.
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