NO.25 A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [MZI-3.7]

id0103d2804700

25

A/C DOES NOT CUT OFF UNDER WOT CONDITIONS.

DESCRIPTION

A/C compressor magnetic clutch does not disengage under WOT.

POSSIBLE CAUSE

•  Accelerator pedal position sensor malfunction

•  Accelerator pedal position sensor misadjustment

•  Loosely installed accelerator pedal position sensor

25	A/C DOES NOT CUT OFF UNDER WOT CONDITIONS.
DESCRIPTION	A/C compressor magnetic clutch does not disengage under WOT.
POSSIBLE CAUSE	• Accelerator pedal position sensor malfunction • Accelerator pedal position sensor misadjustment • Loosely installed accelerator pedal position sensor

Diagnostic procedure

STEP	INSPECTION	RESULTS	ACTION
1	Does A/C compressor disengage when the A/C switch is turned off?	Yes	Go to the next step.
1		No	Go to 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 [MZI-3.7].)
2	Connect the M-MDS to the DLC-2. Turn the ignition switch to the ON position (Engine off). Retrieve any DTCs. Are there any DTCs displayed?	Yes	DTC is displayed: Go to the appropriate DTC inspection. (See DTC TABLE [MZI-3.7].)
2		No	No DTC is displayed: Inspect accelerator pedal position sensor.
3	• Verify test results. ― If normal, return to diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [MZI-3.7].) ― If malfunction remains, inspect related Service Information and perform repair or diagnosis. • If vehicle is repaired, troubleshooting completed. • If vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [MZI-3.7].)