Control Module HVAC: Testing and Inspection

A/C Amplifier Inspection:

ENGINE SPEED DETECTING CIRCUIT (2S-E ENGINE)

1. Run engine with A/C operating. Check that compressor clutch disengages at:

Cut-Off rpm: 600 - 700 rpm

2. If cut-off rpm is too high, turn amplifier adjust knob clockwise to adjust.
3. If cut-off rpm is too low, turn amplifier adjust knob counter clockwise to adjust.