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TROUBLESHOOTING DIESEL FUEL 13A-468 STEP 3. M.U.T.-III data list. • Refer to Data List Reference Table . a. Item 5: Barometric pressure sensor c. Item 7: Engine coolant temperature sensor d. Item 8: EGR gas temperature sensor <Euro5> e. Item 8: Intake air temperature sensor No. 2 <Except Euro5> f. Item 9: Accelerator pedal position sensor (main) g. Item 10: Accelerator pedal position sensor (sub) h. Item 13: Accelerator pedal position sensor (main) learned closed position i. Item 16: EGR valve position sensor k. Item 21: Fuel temperature sensor l. Item 43: Intake air temperature sensor No. 1 m. Item 45: Throttle position sensor n. Item 46: Throttle position sensor learned closed position Q: Are the check results normal? YES : Go to Step 4 . NO : Perform the diagnosis code classified check STEP 4. Check injector identification code. • Check injector identification code (Refer to GROUP 00 − Precautions Before Service − Injec- tor Identification code Registration Procedure ). Q: Is the check result normal? YES : Go to Step 5 . NO : Register the injector ID. STEP 5. Supply pump correction learning. • Carry out the supply pump correction learning (Refer to GROUP 00 − Precautions Before Serv- ice − Supply Pump Correction Learning ). Q: Does trouble symptom persist? YES : Go to Step 6 . NO : The procedure is complete. STEP 6. Small injection quantity learning. • Carry out the small injection quantity learning procedure (Refer to GROUP 00 − Precautions Before Service − Small Injection Quantity Learn- ing Procedure ). Q: Does trouble symptom persist? YES : Go to Step 7 . NO : The procedure is complete. STEP 7. Check air cleaner. Q: Is the check result normal? YES : Go to Step 8 . NO : Replace air cleaner. STEP 8. Confirm the using fuel. Q: Is the specified fuel being used? YES : Go to Step 9 . NO : Replace fuel. STEP 9. Check fuel supply line. • Check for fuel leakage and clogging. • Check fuel filter for clogging. Q: Is the check result normal? YES : Go to Step 10 . NO : Repair or replace the failed item. STEP 10. Priming (air bleeding) • Bleed air. Q: Does trouble symptom persist? YES : Go to Step 11 . NO : The procedure is complete. STEP 11. M.U.T.-III actuator test. • Refer to Actuator Test Reference Table a. Item 19: Suction control valve Q: Is the check result normal? YES : Go to Step 12 . NO : Replace the suction control valve. After − Precautions Before Service − What The Common Rail Engine Learns ). STEP 12. Check suction control valve itself. • Check suction control value itself (Refer to ). Q: Is the check result normal? |