DTC P2413 (6-Speed A/T, 16-18 9-Speed A/T)

DTC P2413  : EGR System Malfunction

NOTE:  Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions Systems .

DTC (PGM-FI)

1. Problem verification

   - 1. Turn the vehicle to the ON mode.

   - 2. Clear the DTC with the HDS.

   - 3. Start the engine.

   - 4. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.

   - 5. Select the EGR TEST in the INSPECTION MENU with the HDS.

   EGR TEST

   Is the result OK?

   YES 

   Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EGR valve and the PCM.

   If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot - Refer to: How to Troubleshoot the Fuel and Emissions Systems .

   NO 

   The failure is duplicated. Go to step 2.

2. Determine possible failure area (EGR valve position sensor, others)

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Turn the vehicle to the ON mode.

   - 3. Check the parameter (s) below with the HDS.

   Signal	Threshold		Current DTC
   	Values	Unit	Values	Unit
   EGR valve position sensor (EGR VLS)	about 0	V

   Do the current condition (s) match the threshold?

   YES 

   Go to step 3.

   NO 

   Go to step 7.

3. Determine possible failure area (VCC1 line, others)

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the following connector.

   EGR valve 5P connector

   - 3. Turn the vehicle to the ON mode.

   - 4. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	EGR valve 5P connector: disconnected
   Test point 1	EGR valve 5P connector No. 2
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there about 5.0 V?

   YES 

   Go to step 5.

   NO 

   Go to step 4.

4. Open wire check (VCC1 line)

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Jump the SCS line with the HDS, and wait more than 1 minute.

   - 3. Disconnect the following connector.

   PCM connector C (51P)

   - 4. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	EGR valve 5P connector: disconnected
   	PCM connector C (51P): disconnected
   Test point 1	EGR valve 5P connector No. 2
   Test point 2	PCM connector C (51P) No. 32 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (6-Speed A/T)

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   The VCC1 wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good PCM - Refer to: PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T) .

   NO 

   Repair an open in the VCC1 wire between the PCM (C32) and the EGR valve.

5. Shorted wire check (EGRL line)

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Jump the SCS line with the HDS, and wait more than 1 minute.

   - 3. Disconnect the following connector.

   PCM connector C (51P)

   - 4. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	EGR valve 5P connector: disconnected
   	PCM connector C (51P): disconnected
   Test point 1	PCM connector C (51P) No. 46 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (6-Speed A/T)
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short in the EGRL wire between the PCM (C46) and the EGR valve.

   NO 

   The EGRL wire is not shorted. Go to step 6.

6. Open wire check (EGRL line)

   - 1. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	EGR valve 5P connector: disconnected
   	PCM connector C (51P): disconnected
   Test point 1	EGR valve 5P connector No. 4
   Test point 2	PCM connector C (51P) No. 46 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (6-Speed A/T)

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   The EGRL wire is OK. Go to step 7.

   NO 

   Repair an open in the EGRL wire between the PCM (C46) and the EGR valve.

7. EGR valve position sensor internal circuit check 1

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. If not already done, disconnect the following connector.

   EGR valve 5P connector

   - 3. At the EGR valve side, measure the resistance between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	EGR valve 5P connector: disconnected
   Test point 1	EGR valve 5P connector No. 3 (EGR valve side)
   Test point 2	EGR valve 5P connector No. 4 (EGR valve side)

   Courtesy of HONDA, U.S.A., INC.

   Is there 100 kΩ or more?

   YES 

   Replace the EGR valve .

   NO 

   Go to step 8.

8. EGR valve position sensor internal circuit check 2

   - 1. At the EGR valve side, measure the resistance between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	EGR valve 5P connector: disconnected
   Test point 1	EGR valve 5P connector No. 2 (EGR valve side)
   Test point 2	EGR valve 5P connector No. 4 (EGR valve side)

   Courtesy of HONDA, U.S.A., INC.

   Is there 100 kΩ or more?

   YES 

   Replace the EGR valve .

   NO 

   Go to step 9.

9. Shorted wire check (E EGR line)

   - 1. If not already done, disconnect the following connector.

   PCM connector C (51P)

   - 2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	EGR valve 5P connector: disconnected
   	PCM connector C (51P): disconnected
   Test point 1	PCM connector C (51P) No. 13 - Refer to: PCM Connector for Inputs and Outputs (6-Speed A/T), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018)
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short in the E EGR wire between the PCM (C13) and the EGR valve.

   NO 

   The E EGR wire is not shorted. Go to step 10.

10. Open wire check (E EGR line)

    - 1. Check for continuity between test points 1 and 2.

    Test condition	Vehicle OFF (LOCK) mode
    	EGR valve 5P connector: disconnected
    	PCM connector C (51P): disconnected
    Test point 1	EGR valve 5P connector No. 5
    Test point 2	PCM connector C (51P) No. 13 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (6-Speed A/T)

    Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The E EGR wire is OK. Go to step 11.

    NO 

    Repair an open in the E EGR wire between the PCM (C13) and the EGR valve.

11. Open wire check (E-EGR PG/PG line)

    - 1. Check for continuity between test points 1 and 2.

    Test condition	Vehicle OFF (LOCK) mode
    	EGR valve 5P connector: disconnected
    	PCM connector C (51P): disconnected
    Test point 1	EGR valve 5P connector No. 1
    Test point 2	Body ground

    Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The E-EGR PG/PG wire is OK. Go to step 12.

    NO 

    Repair an open in the E-EGR PG/PG wire between the EGR valve and G101.

12. EGR valve operation check

    - 1. Reconnect the following connector.

    PCM connector C (51P)

    - 2. At the EGR valve side, connect terminals A and B with a jumper wire.

    Terminal A	EGR valve 5P connector No. 5 (EGR valve side)
    Terminal B	12 volt battery positive terminal

    Courtesy of HONDA, U.S.A., INC.

    - 3. Start the engine, and let it idle.

    - 4. At the EGR valve side, connect terminals A and B with a jumper wire.

    Terminal A	EGR valve 5P connector No. 1 (EGR valve side)
    Terminal B	12 volt battery negative terminal

    Courtesy of HONDA, U.S.A., INC.

    Does the engine stall or run roughly?

    YES 

    The EGR valve is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good PCM - Refer to: PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T), .

    NO 

    Go to step 13.

13. EGR port and passage cleaning

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Remove the EGR valve.

    - 3. Clean the intake manifold EGR port with throttle plate cleaner. Also, clean the passage inside the EGR valve with throttle plate cleaner.

    - 4. Install the EGR valve.

    - 5. Reconnect all connectors.

    - 6. Turn the vehicle to the ON mode.

    - 7. Reset the PCM with the HDS.

    Reset PCM

    - 8. Do the PCM idle learn procedure.

    - 9. Select the EGR TEST in the INSPECTION MENU with the HDS.

    EGR TEST

    Is the result OK?

    YES 

    The failure is not duplicated.

    NO 

    Replace the EGR valve .