Service Hints
A 2 A/C MAGNETIC CLUTCH
4-GROUND: Approx. 3.7 Ohms
A 3 A/C DUAL PRESSURE SW
1-4: Open above approx. 206 kPa (30 psi, 15.5 kg/cm2) or 2648 kPa (384 psi, 27 kg/cm2)
A18, A19, A20, A21 A/C CONTROL ASSEMBLY
+B-GROUND: Always approx. 10-14 Volts
IG-GROUND: Approx. 10-14 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 Volt with Ignition SW at ON position and turn the Blower Motor
ACC-GROUND: Approx. 10-14 Volts with Ignition SW at ACC or ON position
S 5-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
AOF-GROUND: Approx. 12 Volts with face SW ON
GND-GROUND: Always continuous