NO.25 A/C IS NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [MZR 1.8, MZR 2.0, MZR 2.5]

id0103d4803100

25

A/C IS NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS
DESCRIPTION
•  A/C compressor magnetic clutch does not disengage under wide open throttle.
POSSIBLE CAUSE
•  PCM DTC is stored
•  APP sensor malfunction

Diagnostic procedure

STEP

INSPECTION

RESULTS

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”.
(See NO.24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY [MZR 1.8, MZR 2.0, MZR 2.5].)
2
Perform the PCM DTC inspection using the M-MDS.
(See ON-BOARD DIAGNOSTIC TEST [MZR 1.8, MZR 2.0, MZR 2.5].)
Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [MZR 1.8, MZR 2.0, MZR 2.5].)
No
Inspect the APP sensor.
(See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [MZR 1.8, MZR 2.0, MZR 2.5].)
Repair or replace the malfunctioning part according to the inspection results.
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, reprogram the PCM if a later calibration is available. Retest.