Mitsubishi 3000GT Service Manual page 1232

<From 1996 'models>
Terminal Signal
No.
Revolution pick-up sensor
ground
A/C compressor lock controller
power source
A/C switch indicator
Engine revolution (input)
Revolution pick-up sensor
A/C compressor lock controller Normal
ground
A/C compressor lock controller
power source
Compressor
Compressor relay output
NOTE:
HEATERS AND MANUAL
AIR CONDITIONING
Air Conditioning Compressor Lock Controller
Inspection
Disconnect the amplifier and inspect the connector on the
wire harness side as shown in the chart below.
Compressor: ON
Ignition switch: ON
Compressor: ON (Normally)
Compressor drive belt:
Slipping (slip ratio 92 % or more)
When engine is running
Compressor: ON
Ignition switch: ON
Compressor: ON
Compressor: OFF
Compressor: ON
Compressor: OFF
Compressor: ON
Compressor: OFF
TSB Revision
Conditions
I
0.2 VAC or more
o v
System voltage
0.7 VDC-0.9 VDC
5 VDC
1 VDC or more
0.2 VAC
o v
System voltage
6 V or more
0.5 V or less
9.5 V or more
o v
Terminal voltage