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Home >> Toyota >> 2000 >> Corolla CE Sedan L4-1.8L (1ZZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Module HVAC >> Testing and Inspection >> Related Diagnostic Procedures
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Related Diagnostic Procedures

CIRCUIT DESCRIPTION
This circuit cuts air conditioning operation during vehicle acceleration in order to increase acceleration performance. During acceleration with the vehicle speed at (AT: 25 KPH (16 MPH), MT: 40 KPH (25 MPH)) or less, engine speed at (AT: 1,200 rpm, MT: 1,600 rpm) or less and throttle valve opening angle at 60° or more, the A/C magnet switch is turned OFF for several seconds.




WIRING DIAGRAM

INSPECTION PROCEDURE

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TOYOTA hand-held tester:

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OBDII scan tool (excluding TOYOTA hand-held tester):
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