Operation CHARM: Car repair manuals for everyone.

Service Hints

A13 A/C SW
6-Ground: Approx. 12 Volts with Ignition SW at ON position and Heater Blower SW ON
4-Ground: Always continuity
6-5: Closed with A/C SW ON or Defroster mode SW ON

A 1 A/C DUAL PRESSURE SW
1-2: Open with Refrigerant pressure at less than Approx. 2.0 kg/cm2 (28.4 psi, 196 kPa) or more than Approx. 32 kg/cm2 (455 psi, 3138 kPa)

HEATER RELAY
2-1-2-2-2: Closed with Ignition SW ON and blower SW ON
2-1-Ground: Always Approx. 12 Volts
2-5-Ground: Approx. 12 Volts with Ignition SW at ON position
2-4-Ground: Always continuity

B 8 BLOWER SW
6-5: Closed with blower SW at Low position
6-1, 5: Closed with blower SW at M1 position
6-2, 5: Closed with blower SW at M2 position
6-8, 5: Closed with blower SW at HI position

A 2 A/C MAGNETIC CLUTCH
1-Ground: Approx. 3.7 Ohms