Service Hints

Automatic Air Conditioning

A4 A/C DUAL PRESSURE SW
1 - 4 : Open with the refrigerant pressure at less than approx. 216 kpa (2.2 kgf/sq.cm, 31 psi) or more than approx. 3138 kpa (32 kgf/sq.cm, 455 psi)


A13 (A) A/C CONTROL ASSEMBLY
+B - GROUND : Always approx. 12 volts
ACC - GROUND : Approx. 12 volts with ignition SW at ACC or ON position
AIF - GROUND : Approx. 12 volts with FRESH SW on
AIR - GROUND : Approx. 12 volts with RECIRC SW on
GND - GROUND : Always continuity