Code No. P2413: EGR System Performance




OPERATION




FUNCTION




TROUBLE JUDGEMENT


Check Condition
Judgement Criterion

FAIL-SAFE AND BACKUP FUNCTION




PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code


Q. Is any other diagnosis code than P2413 output?

Inspection chart for diagnosis codes (Refer to ).
Go to Step 2.

STEP 2. Check exhaust gas recirculation valve itself.



  • Exhaust gas recirculation valve connector check.
  • Check exhaust gas recirculation valve itself [Refer to GROUP 17 - Emission Control <DIESEL> - Exhaust Gas Recirculation (EGR) System - exhaust gas recirculation valve (DC Motor) Check ].

Q. Is the check result normal?

Go to Step 3.
Repair or replace the connector, or replace the exhaust gas recirculation valve.

STEP 3. Check harness between engine-ECU connector terminal EGR+ and exhaust gas recirculation valve connector terminal.



  • Check output line for open/short circuit and damage.

Q. Is the check result normal?

Go to Step 4.
Repair or replace the connector, or repair the damaged harness wire.

STEP 4. Check harness between engine-ECU connector terminal EGR- and exhaust gas recirculation valve connector terminal.



  • Check output line for open/short circuit and damage.

Q. Is the check result normal?

Go to Step 5.
Repair or replace the connector, or repair the damaged harness wire.

STEP 5. M.U.T.-III diagnosis code.



  • After erasing the diagnosis code through M.U.T.-III, start the engine and confirm whether the diagnosis code is set.

Q. Is the diagnosis code set?

Replace the engine-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).





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