Service Hints

A3 A/C DUAL PRESSURE SW
1-4 : Open above approx. 1520 kpa (220 psi, 15.5 kg/Sq.cm) or 2648 kpa (384 psi, 27 kg/Sq.cm)

A18-A, ohm0-C,ohm1-D A/C CONTROL ASSEMBLY
B-GROUND : Always approx. 12 volts
IG+-GROUND : Approx. 12 volts with ignition SW at ON position
HR-GROUND : Approx. 10-14 volts with ignition SW at ON position and do not turn the blower motor Below 1 volts with ignition SW at ON position and turn the blower motor
ACC-GROUND : Approx. 12 volts with ignition SW at ACC or ON position
S5-GROUND : 4.5-5.5 volts with the ignition SW on
AIF-GROUND : Approx. 10-14 volts with FRESH SW on
AIR-GROUND : Approx. 10-14 volts with RECIRC SW on
GND-GROUND : Always continuity