DTC Troubleshooting: P2413 (V6) - Honda Accord CR/CT 2012-2017

1.

Problem verification:

Problem verification

?1.	Press the engine start/stop button to select the ON mode.

?2.	Clear the DTC with the HDS.

?3.	Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, then let it idle.

?4.	Select the EGR TEST in the INSPECTION MENU with the HDS.

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.?


	NO

Go to step 2.

2.

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

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

?1.	Press the engine start/stop button to select the OFF mode.

?2.	Press the engine start/stop button to select the ON mode.

?3.

Check the parameter(s) below with the HDS.

Signal	Threshold		Current DTC
Signal	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):

Determine possible failure area (VCC1 line, others)

?1.	Press the engine start/stop button to select the OFF mode.

?2.

Disconnect the following connector.

EGR valve 5P connector

?3.	Press the engine start/stop button to select the ON mode.

?4.

Measure the voltage between test points 1 and 2.

Test condition	ON mode
	EGR valve 5P connector: disconnected
Test circuit	VCC1
Test point 1	EGR valve 5P connector No. 2 (PNK)
Test point 2	Body ground

Is there about 5.0 V?


	YES

Go to step 5.


	NO

Go to step 4.

4.

Open wire check (VCC1 line):

Open wire check (VCC1 line)

?1.	Press the engine start/stop button to select the OFF mode.

?2.	Jump the SCS line with the HDS.

?3.

Disconnect the following connector.

PCM connector C (51P)

?4.

Check for continuity between test points 1 and 2.

Test condition	OFF mode
	EGR valve 5P connector: disconnected
	PCM connector C (51P): disconnected
Test circuit	VCC1
Test point 1	EGR valve 5P connector No. 2 (PNK)
Test point 2	PCM connector C (51P) No. 32 (PNK)

Is there continuity?


	YES

The VCC1 wire is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM, then do the repair verification.


	NO

Repair an open in the VCC1 wire between the PCM (C32) and the EGR valve, then do the repair verification.

5.

Shorted wire check (EGRL line):

Shorted wire check (EGRL line)

?1.	Press the engine start/stop button to select the OFF mode.

?2.	Jump the SCS line with the HDS.

?3.

Disconnect the following connector.

PCM connector C (51P)

?4.

Check for continuity between test points 1 and 2.

Test condition	OFF mode
	EGR valve 5P connector: disconnected
	PCM connector C (51P): disconnected
Test circuit	EGRL
Test point 1	PCM connector C (51P) No. 46 (LT BLU)
Test point 2	Body ground

Is there continuity?


	YES

Repair a short in the EGRL wire between the PCM (C46) and the EGR valve, then do the repair verification.


	NO

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

6.

Open wire check (EGRL line):

Open wire check (EGRL line)

?1.

Check for continuity between test points 1 and 2.

Test condition	OFF mode
	EGR valve 5P connector: disconnected
	PCM connector C (51P): disconnected
Test circuit	EGRL
Test point 1	EGR valve 5P connector No. 4 (LT BLU)
Test point 2	PCM connector C (51P) No. 46 (LT BLU)

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, then do the repair verification.

7.

EGR valve position sensor internal circuit check 1:

EGR valve position sensor internal circuit check 1

?1.	Press the engine start/stop button to select the OFF 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	OFF mode
	EGR valve 5P connector: disconnected
Test circuit	EGRL, SG1
Test point 1	EGR valve 5P connector No. 3 (EGR valve side)
Test point 2	EGR valve 5P connector No. 4 (EGR valve side)

Is there 100 k? or more?


	YES

Replace the EGR valve, then do the repair verification.


	NO

Go to step 8.

8.

EGR valve position sensor internal circuit check 2:

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	OFF mode
	EGR valve 5P connector: disconnected
Test circuit	EGRL, VCC1
Test point 1	EGR valve 5P connector No. 2 (EGR valve side)
Test point 2	EGR valve 5P connector No. 4 (EGR valve side)

Is there 100 k? or more?


	YES

Replace the EGR valve, then do the repair verification.


	NO

Go to step 9.

9.

Shorted wire check (E EGR line):

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	OFF mode
	EGR valve 5P connector: disconnected
	PCM connector C (51P): disconnected
Test circuit	E EGR
Test point 1	PCM connector C (51P) No. 13 (PUR)
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, then do the repair verification.


	NO

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

10.

Open wire check (E EGR line):

Open wire check (E EGR line)

?1.

Check for continuity between test points 1 and 2.

Test condition	OFF mode
	EGR valve 5P connector: disconnected
	PCM connector C (51P): disconnected
Test circuit	E EGR
Test point 1	EGR valve 5P connector No. 5 (PUR)
Test point 2	PCM connector B (51P) No. 13 (PUR)

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, then do the repair verification.

11.

Open wire check (PG line):

Open wire check (PG line)

?1.

Check for continuity between test points 1 and 2.

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

Is there continuity?


	YES

The PG wire is OK. Go to step 12.


	NO

Repair an open in the PG wire between the EGR valve and G101, then do the repair verification.

12.

EGR valve operation check:

EGR valve operation check

?1.	Reconnect 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	Battery positive terminal

?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	Battery negative terminal

Does the engine stall or run roughly?


	YES

The EGR valve is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM, then do the repair verification.


	NO

Go to step 13.

13.

EGR port and passage cleaning:

EGR port and passage cleaning

?1.	Press the engine start/stop button to select the OFF 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.	Press the engine start/stop button to select the ON mode.

?7.	Reset the PCM with the HDS.

?8.	Do the PCM idle learn procedure.

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

Is the result OK?


	YES

The failure is not duplicated. Do the repair verification.


	NO

Replace the EGR valve, then do the repair verification.

Repair verification:

?1.	Press the engine start/stop button to select the OFF mode.

?2.	Reconnect all connectors.

?3.	Exit the SCS mode with the HDS.

?4.	Press the engine start/stop button to select the ON mode.

?5.	Reset the PCM with the HDS.

?6.	Do the PCM idle learn procedure.

?7.	Select the EGR TEST in the INSPECTION MENU with the HDS.

?8.

Check for Pending or Confirmed DTCs with the HDS.

DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
P2413 EGR System Malfunction

Is DTC P2413 indicated?


	YES

Check for poor connections or loose terminals at the EGR valve and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1.


	NO

Troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.?