NO.25 A/C IS NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [YF (2.0L Zetec)]


id0103c7803100

25

A/C IS NOT CUT OFF UNDER WOT CONDITIONS.

DESCRIPTION

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 the WDS or equivalent to the DLC-2.
Retrieve any continuous memory, KOEO and KOER DTCs using the WDS or equivalent.
Are 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 the diagnostic index to service any additional symptoms.
• If any malfunction remains, inspect related service information and, repair or diagnosis accordingly.
- If the vehicle is repaired, troubleshooting completed.
- If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.
(See PCM REMOVAL/INSTALLATION [YF (2.0L Zetec)].)