ENGINE (J05E)/TROUBLESHOOTING
2–313
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
•
Engine output is insufficient.
•
Cruise control does not work.
•
Idling stop system does not work.
•
Vehicle start control does not work.
<Symptoms on the vehicle due to malfunction>
•
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6.
Pre-inspection work
•
Check that the battery voltage is in the normal range.
7.
After-inspection work
•
Clear all past DTCs.
•
Check that no DTC is stored after test drive.
8.
Estimated failure factors
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Pre fuel filter: clogged
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Common rail pressure sensor: faulty contact (power supply fault or GND fault), sensor failure
•
Supply pump: SCV fault, learning value fault
•
Common rail: pressure limiter valve open
•
Harness-related malfunction: faulty contact or wrong connection in engine speed main sensor or engine speed sub
sensor
