Service Hints

P4 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)

A15 (B) A/C Control Assembly
+B-Ground : Always approx. 12 volts
IG-Ground : Approx. 12 volts with ignition SW at ON or ST position
AIF-Ground : Approx 12 volts with FRESH SW on
AIR-Ground : Approx. 12 volts with RECIRC SW on
GND-Ground : Always continuity