NO.25 A/C IS NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [ZJ, ZY, Z6]


id0103b1803100


Without Throttle Valve Actuator

25

A/C IS NOT CUT OFF UNDER WOT CONDITIONS.

DESCRIPTION
The A/C compressor magnetic clutch does not disengage under WOT.
POSSIBLE CAUSE
•  TP sensor malfunction
•  TP sensor misadjustment
•  Loosely installed TP sensor

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 symptom troubleshooting "No.24 A/C is always on or A/C compressor runs continuously".
2
Connect M-MDS to DLC-2.
Retrieve any continuous memory, KOEO and KOER DTCs using M-MDS.
Are there any DTCs displayed?
Yes
DTC is displayed:
Go to the appropriate DTC inspection.
No
No DTC is displayed:
Inspect the TP sensor for proper adjustment.
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.


With Throttle Valve Actuator

25

A/C IS NOT CUT OFF UNDER WOT CONDITIONS.

DESCRIPTION
The A/C compressor magnetic clutch does not disengage under WOT.
POSSIBLE CAUSE
•  Accelerator pedal position (APP) sensor malfunction
•  APP sensor misadjustment
•  Loosely installed TP sensor

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 symptom troubleshooting "No.24 A/C is always on or A/C compressor runs continuously".
2
Connect M-MDS to DLC-2.
Retrieve any continuous memory, KOEO and KOER DTCs using M-MDS.
Are there any DTCs displayed?
Yes
DTC is displayed:
Go to the appropriate DTC inspection.
No
No DTC is displayed:
Inspect the APP sensor.
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.