Service Hints

A 1 A/C DUAL PRESSURE SW
1-2: Open above approx. 2.0 kgf/cm2 (28 psi, 196 kPa) or 32 kgf/cm2 (455 psi, 3138 kPa)

A2 A/C MAGNETIC CLUTCH
1-GROUND: Approx. 3.7 Ohms

A30 (B), A31 (A) A/C AMPLIFIER
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
AC1-GROUND: Below 1 Volts at start the engine, operate the compressor
+ OR MORE Volts at start the engine, do not operate the compressor
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
SG-GROUND: Always continuity
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