5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) (1987)
A/C Signal: Testing and Inspection
1.
Connect a voltmeter between terminals 33 and 35 of the injection control unit plug.
2.
With A/C OFF, and ignition ON, 0 volts should be available.
3.
With A/C in AUTO or BI-LEVEL, battery voltage should be available and compressor clutch should become engaged.
4.
If voltages are not correct, repair wiring.