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NO.25 A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [MZR-CD (RF Turbo)]

BME010300000W60

25 | A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS
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DESCRIPTION | • A/C compressor magnetic clutch does not disengage under wide open throttle.
POSSIBLE CAUSE | • Accelerator position sensor malfunction • Accelerator position sensor misadjustment • Loosely installed accelerator position sensor

Diagnostic Procedure

STEP | INSPECTION | RESULTS | ACTION
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1 | Does A/C compressor disengage when A/C switch is turned off? | Yes | Go to next step.
No | Go to symptom troubleshooting "NO.24 A/C ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY".
2 | Perform self-test function using WDS or equivalent. Turn engine switch to ON. Retrieve any DTC. Is DTC displayed? | Yes | DTC is displayed: Go to appropriate DTC test. Communication error message is displayed: Inspect for following: • Open circuit between PCM control relay and PCM terminal 53 or 79
• Open circuit PCM control relay and PCM terminal 69
• PCM control relay stuck open.
• Open or poor GND circuit (PCM terminal 65, 85, 103 or 104)
• Poor connection vehicle body GND
No | No DTC is displayed: Inspect adjustment of accelerator position sensor. If accelerator position sensor adjustment is not correct, adjust accelerator position sensor.
3 | Verify test results. • If okay, return to diagnostic index to service any additional symptoms. • If malfunction remains, replace PCM. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)