Service Hints
A 4 A/C DUAL PRESSURE SW4-1: Open above approx. 15.5 kg/cm2 (30 psi, 206 kPa) or 27 kg/cm2 (384 psi, 2648 kPa)
A 3 A/C MAGNETIC CLUTCH
4-GROUND: Approx. 3.7 Ohms
A 9-A, A10-C, A11-B 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 ON
ACC-GROUND: Approx. 12 Volts with the ignition SW at ACC or 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 ON
SG-GROUND: Always continuity
AMH-AMC: 1.3-1.9 Volts with the ignition SW OFF
MFRS-GROUND: Approx. 12 Volts with the fresh SW ON
MREC-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
A15 A/C POWER TRANSISTOR
1-3: Approx. 2.0-2.4 K Ohms