LEMON Manuals: Even more car manuals for everyone
Home >> Honda >> 2017 >> Pilot EX, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - DTC Diagnostics (6 Of 6) >> DTC Troubleshooting >> DTC P2413 (19-21 9-Speed A/T)

DTC P2413 (19-21 9-Speed A/T)

DTC P2413  : Exhaust Gas Recirculation (EGR) System Malfunction

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

DTC Description Confirmed DTC Pending DTC
P2413 Exhaust Gas Recirculation (EGR) System Malfunction    

DTC (PGM-FI)

  1. Problem verification

    - 1. Turn the vehicle to the ON mode.

    - 2. Clear the DTC with the HDS.

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

    - 4. Start the engine.

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

    - 6. 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 on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the 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 (female terminals) No. 2:
    Test point 2 Body ground
    GHH308022Courtesy 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 E (80P)

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

    Test condition Vehicle OFF (LOCK) mode
    EGR valve 5P connector: disconnected
    PCM connector E (80P): disconnected
    Test point 1 EGR valve 5P connector (female terminals) No. 2:
    Test point 2 PCM connector E (80P) No. 50 - Refer to:
    PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021) .
    GHH308023Courtesy 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, then recheck. - Refer to: PCM Removal and Installation (9-Speed A/T) (2019 2020 2021)

    If DTC P2413 goes away and the PCM was substituted, replace the original PCM - Refer to: PCM Removal and Installation (9-Speed A/T) (2019 2020 2021) .

    NO 

    Repair an open in the VCC1 wire between the PCM (E50) 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 E (80P)

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

    Test condition
     
         		 Vehicle OFF (LOCK) mode
    EGR valve 5P connector: disconnected
    PCM connector E (80P): disconnected
    Test point 1 PCM connector E (80P) No. 71 - Refer to:
    PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021) .
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short in the EGRL wire between the PCM (E71) 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 E (80P): disconnected
    Test point 1 EGR valve 5P connector (female terminals) No. 4:
    Test point 2 PCM connector E (80P) No. 71 - Refer to:
    PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021)
     
    GHH308024Courtesy 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 (E71) 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 (male terminals) No. 3 (valve side) :
    Test point 2 EGR valve 5P connector (male terminals) No. 4 (valve side) :
    GHH308025Courtesy 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 (male terminals) No. 2 (valve side) :
    Test point 2 EGR valve 5P connector (male terminals) No. 4 (valve side) :
    GHH308026Courtesy 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 E (80P)

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

    Test condition
     
         		 Vehicle OFF (LOCK) mode
    EGR valve 5P connector: disconnected
    PCM connector E (80P): disconnected
    Test point 1 PCM connector E (80P) No. 28 - Refer to:
    PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021)
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short in the E EGR wire between the PCM (E28) 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 E (80P): disconnected
    Test point 1 EGR valve 5P connector (female terminals) No. 5:
    Test point 2 PCM connector E (80P) No. 28 - Refer to:
    PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021)
    GHH308027Courtesy 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 (E28) and the EGR valve.

  11. Open wire check (E-EGR 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 E (80P): disconnected
    Test point 1 EGR valve 5P connector (female terminals) No. 1:
    Test point 2 Body ground
    GHH308028Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

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

    NO 

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

  12. EGR valve operation check

    - 1. Reconnect the following connector.

    PCM connector E (80P)

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

    Terminal A EGR valve 5P connector (male terminals) No. 5 (valve side) :
    Terminal B 12 volt battery positive terminal
    GHH308029Courtesy 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 (male terminals) No. 1 (valve side) :
    Terminal B 12 volt battery negative terminal
    GHH308030Courtesy 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, then recheck. - Refer to: PCM Removal and Installation (9-Speed A/T) (2019 2020 2021) .

    If DTC P2413 goes away and the PCM was substituted, replace the original PCM - Refer to: PCM Removal and Installation (9-Speed A/T) (2019 2020 2021) .

    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 .

scientia non olet · About LEMON Manuals