toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Evaporator Core > < Control Module HVAC|Locations
Page 1
background image

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.

Evaporator Core > < Control Module HVAC|Locations