V8 Quattro V8-3562cc 3.6L DOHC (PT) (1990)
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Control Module HVAC: Description and Operation
PURPOSE
Based on input signals it receives, the programmer switches ON the A/C compressor, radiator fan first speed and controls the servo motor for
temperature regulation.
OPERATION
The Climate Control Programmer unit (J127) contains five solenoids which operate the vacuum servos for air distribution and the heater valve.
