F2–224
TROUBLESHOOTING
NO.25 A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS
A6E408018881227
Diagnostic Procedure
End Of Sie
25 A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS
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
STEP INSPECTION RESULTS ACTION
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 F2–64 PCM REMOVAL/INSTALLATION)
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