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Home >> Toyota >> 1999 >> Corolla VE Sedan L4-1.8L (1ZZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> A/C Signal >> Testing and Inspection
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A/C Signal: Testing and Inspection

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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OBD II scan tool (excluding TOYOTA hand-held tester):
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