NO.25 A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [ZJ, ZY]


id0103b0804700

25

A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS

DESCRIPTION
•  The A/C compressor magnetic clutch does not disengage under WOT.
POSSIBLE CAUSE
•  Continuous memory DTC is stored
•  APP sensor malfunction
―  APP sensor malfunction
―  Loosely installed APP sensor
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
Does the A/C compressor disengage when the A/C switch is turned off?
Yes
Go to the next step.
No
Go to the symptom troubleshooting “NO.24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY”.
2
Perform the KOEO and KOER self test.
Are any continuous memory DTCs present?
Yes
Go to the appropriate DTC inspection.
No
Inspect the APP sensor.
Replace the APP sensor, if necessary.
3
Verify test results.
•  If normal, return to the diagnostic index to service any additional symptoms.
•  If the malfunction remains, inspect the related Service Information and perform the repair or diagnosis.
―  If the vehicle is repaired, troubleshooting is completed.
―  If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.