Diagnostic procedure
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STEP
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INSPECTION
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RESULTS
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ACTION
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|---|---|---|---|
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1
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Connect the M-MDS to the DLC-2.
Access ECT PID.
Start and warm up engine to normal operating temperature.
Is ECT PID between 82-112°C {180-234°F}?
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Yes
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Go to the next step.
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No
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ECT PID is higher than 112°C {234°F}:
Go to symptom troubleshooting "No.17 Cooling system concerns - Overheating".
ECT PID is less than 82°C {180°F}:
Go to symptom troubleshooting "No.18 Cooling system concerns - Runs cold".
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2
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Connect the M-MDS to the DLC-2.
Retrieve any continuous memory DTCs.
Are there any DTCs displayed?
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Yes
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DTC is displayed:
Go to the appropriate DTC inspection.
(See DTC TABLE [L8, LF].)
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No
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No DTC is displayed:
Go to the next step.
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3
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Connect the M-MDS to the DLC-2.
Access following PIDs.
PCM PID:
• AC_REQ
• PSP
• CPP (MT)
• CPP/PNP (MT)
TCM PID:
• TR (AT)
Monitor each PID.
(See PCM INSPECTION [L8, LF].)
Are PIDs normal?
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Yes
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Go to the next step.
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No
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AC_REQ PID:
Inspect the A/C switch, refrigerant pressure switch and the fan switch.
PSP PID:
Inspect P/S pressure switch.
CPP PID: (MT)
Inspect the clutch pedal position switch.
CPP/PNP PID: (MT)
Inspect neutral switch.
TR PID: (AT)
Inspect the TR switch.
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4
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Is there air leakage felt or heard at the intake-air system components while racing engine to higher speed?
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Yes
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Repair or replace part if necessary.
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No
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Inspect the following:
• Electronic throttle control system operation
• Accelerator pedal position sensor
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5
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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.
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