Automatic A/C

A4 A/C DUAL PRESSURE SW
4 - 1 : Open above approx. 2.0 kgf/sq.cm (28 psi, 196 kpa) or 32 kgf/sq.cm (455 psi, 3138 kpa)

A3 A/C MAGNETIC CLUTCH AND LOCK SENSOR
4 - GROUND : Approx. 3.7 ohms

A16 (A), A17 (B) A/C CONTROL ASSEMBLY
B - GROUND : Always approx. 12 volts
IG(+) - GROUND : Approx. 12 volts with the ignition SW at ON position
HR - GROUND : Approx. 12 volts with the ignition SW at ON position and do not turn the blower motor Below 1 volts with the ignition SW at ON position and turn the blower motor
PSW - GROUND : Below 1 volts with the ignition SW at ON position
BLW - GROUND : Below 1.5 volts with the ignition SW on and turn the blower motor
S5 - SG : 4 - 6 volts with the ignition SW at ON position
AMH - AMC : 1.3 - 1.9 volts with the ignition SW off
AIF - GROUND : Approx. 12 volts with the FRESH SW on
AIR - GROUND : Approx. 12 volts with the RECIRC SW on
FACE - GROUND : Approx. 12 volts with the FACE SW on
DEF - GROUND : Approx. 12 volts with the DEF SW on
GND - GROUND : Always continuity