Operation CHARM: Car repair manuals for everyone.

Service Hints


A 2 A/C DUAL PRESSURE SW
4-1: 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

A10-A, A11-B, A12-C A/C CONTROL ASSEMBLY
+B-GROUND: Always approx. 12 Volts
IG-GROUND: Approx. 12 Volts with Ignition SW at ON position
HR-GROUND: Approx. 12 Volts with Ignition SW at ON position and do not turn the blower motor below 1 Volts with Ignition SW at ON position and turn the blower motor
PSW- Below 1 Volts with Ignition SW ON
ACC-GROUND: Approx. 12 Volts with 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 Ignition SW OFF
AIF-GROUND: Approx. 12 Volts with fresh SW ON
AIR-GROUND: Approx. 12 Volts with RECIRC SW ON
FACE-GROUND: Approx. 12 Volts with FACE SW ON
DEF-GROUND: Approx. 12 Volts with DEF SW ON
GND-GROUND: Always continuity

A14 A/C POWER TRANSISTOR
1-4: Approx. 2.0-2.4 K Ohms