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
Connect the M-MDS to the DLC-2.
Perform the KOEO/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 diagnostic index to service any additional symptoms.
•  If malfunction remains, inspect related Service information perform repair or diagnosis.
―  If vehicle repaired, troubleshooting completed.
―  If vehicle not repaired or additional diagnostic information not available, replace the PCM.