DTC P0202, P0206

DTC P0202 : No. 2 Cylinder Injector Circuit Malfunction

DTC P0206 : No. 6 Cylinder Injector Circuit 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
P0202 No. 2 Cylinder Injector Circuit Malfunction
P0206 No. 6 Cylinder Injector Circuit Malfunction

DTC (PGM-FI)

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 (If the engine does not start, crank the engine for 20 seconds).

- 5. Check for Pending or Confirmed DTCs with the HDS.

DTC Description	Confirmed DTC	Pending DTC
P0202 No. 2 Cylinder Injector Circuit Malfunction
P0206 No. 6 Cylinder Injector Circuit Malfunction

Is DTC P0202 and/or P0206 indicated?

YES

The failure is duplicated. Go to step 2.

Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the injector 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 .

Engine starting check
- 1. Check the result in step 1-4.

Did the engine start?

YES

Go to step 9.

NO

Go to step 3.
Relay check
- 1. Turn the vehicle to the OFF (LOCK) mode.

- 2. Remove the injector relay.

- 3. Test the injector relay.

Is the relay OK?

YES

Go to step 4.

NO

Replace the injector relay.

Open wire check (+B INJ line)

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

Test condition	Vehicle OFF (LOCK) mode
Test condition	Injector relay: disconnected
Test point 1	Injector relay 4P socket (female terminals) No. 1 and No. 3:
Test point 2	Body ground

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Is there battery voltage?

YES

The +B INJ wire is OK. Go to step 6.

Go to step 5.

Fuse check

- 1. Check the following fuse.

Fuse

No. A12 - Refer to:
Fuse to Components Index (Without Auto Idle Stop System) (2016 2017 2018) or
Fuse to Components Index (With Auto Idle Stop System) (2016 2017 2018), or
Fuse to Components Index (Without Auto Idle Stop System) (2019 2020 2021) or
Fuse to Components Index (With Auto Idle Stop System) (2019 2020 2021)

Is the fuse OK?

YES

Repair an open in the +B INJ wire between the No. A12 fuse and the injector relay.

Repair a short in the +B INJ wire between the No. A12 fuse and the injector relay. Also replace the No. A12 fuse.

Determine possible failure area (M RLY line, others)

- 1. Turn the vehicle to the ON mode.

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

Test condition	Vehicle ON mode
Test condition	Injector relay: disconnected
Test point 1	Injector relay 4P socket (female terminals) No. 3:
Test point 2	Injector relay 4P socket (female terminals) No. 4:

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Is there battery voltage?

YES

Go to step 8.

Go to step 7.

Open wire check (M RLY 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 A (50P)

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

Test condition	Vehicle OFF (LOCK) mode
	Injector relay: disconnected
	PCM connector A (50P): disconnected
Test point 1	Injector relay 4P socket (female terminals) No. 4:
Test point 2	PCM connector A (50P) No. 22 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018)

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Is there continuity?

YES

The M RLY 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 (9-Speed A/T) (2019 2020 2021), or PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T) , then recheck. If DTC P0202 and/or P0206 goes away and the PCM was substituted, replace the original PCM - Refer to: PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T), or PCM Removal and Installation (9-Speed A/T) (2019 2020 2021) .

Repair an open in the M RLY wire between the PCM (A22) and the injector relay.

Open wire check (INJ RLY OUT line)

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

- 2. Connect terminals A and B with a jumper wire.

Terminal A	Injector relay 4P socket (female terminals) No. 1:
Terminal B	Injector relay 4P socket (female terminals) No. 2:

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

- 4. Disconnect the following connector.

PCM connector A (50P)

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

Test condition	Vehicle OFF (LOCK) mode
	Injector relay: disconnected
	PCM connector A (50P): disconnected
	Injector relay 4P socket No. 1 and No. 2: jumped
Test point 1	PCM connector A (50P) No. 1 and No. 8 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018)
Test point 2	Body ground

Is there battery voltage?

YES

The INJ RLY OUT wire is OK. Go to step 9.

Repair an open in the INJ RLY OUT wire between the PCM (A1, A8) and the injector relay.

DTC check
- 1. Check the indicated DTC in step 1.

Is DTC P0202 indicated?

YES

Go to step 10.

NO

Go to step 18.

Open wire check (INJ HS2 line, INJ LS2 line)

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

- 2. If removed, reinstall the injector relay.

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

- 4. Disconnect the following connector.

PCM connector E (80P)

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
Test point 1	PCM connector E (80P) No. 4 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)
Test point 2	PCM connector E (80P) No. 18 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018)

Is there continuity?

YES

The INJ HS2 wire and the INJ LS2 wire are not open. Go to step 13.

Go to step 11.

Open wire check (INJ HS2 line)

- 1. Disconnect the following connector.

No. 2 injector 2P connector

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
Test point 1	No. 2 injector 2P connector (female terminals) No. 2:
Test point 2	PCM connector E (80P) No. 18 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)

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Is there continuity?

YES

The INJ HS2 wire is OK. Go to step 12.

Repair an open in the INJ HS2 wire between the PCM (E18) and the No. 1 injector.

Open wire check (INJ LS2 line)

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
Test point 1	No. 2 injector 2P connector (female terminals) No. 1:
Test point 2	PCM connector E (80P) No. 4 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)

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Is there continuity?

YES

The INJ LS2 wire is OK. Replace the No. 2 injector - Refer to: Injector Removal and Installation (6-Speed A/T, '16-'18 9-Speed A/T), or Injector Removal & Installation (9-Speed A/T) (2019 2020 2021) .

Repair an open in the INJ LS2 wire between the PCM (E4) and the No. 2 injector.

Shorted wire check (INJ HS2 line to power)

- 1. Disconnect the following connector.

No. 2 injector 2P connector

- 2. Turn the vehicle to the ON mode.

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

Test condition	Vehicle ON mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 18 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)
Test point 2	Body ground

Is there any voltage?

YES

Repair a short to power in the INJ HS2 wire between the PCM (E18) and the No. 2 injector.

Go to step 14.

Shorted wire check (INJ LS2 line to power)

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

Test condition	Vehicle ON mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 4 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018)
Test point 2	Body ground

Is there any voltage?

YES

Repair a short to power in the INJ LS2 wire between the PCM (E4) and the No. 2 injector.

Go to step 15.

Shorted wire check (INJ HS2 line to ground)

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

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 18 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)
Test point 2	Body ground

Is there continuity?

YES

Repair a short to ground in the INJ HS2 wire between the PCM (E18) and the No. 2 injector.

The INJ HS2 wire is OK. Go to step 16.

Shorted wire check (INJ LS2 line to ground)

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 4 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), 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 to ground in the INJ LS2 wire between the PCM (E4) and the No. 2 injector.

The INJ LS2 wire is OK. Go to step 17.

Shorted wire check (INJ HS6 line)

- 1. Disconnect the following connector.

No. 6 injector 2P connector

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 19 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)
Test point 2	Body ground

Is there continuity?

YES

Repair a short in the INJ HS6 wire between the PCM (E19) and the No. 6 injector.

The INJ HS6 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 (9-Speed A/T) (2019 2020 2021), or PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T) , then recheck. If DTC P0202 and/or P0206 goes away and the PCM was substituted, replace the original PCM - Refer to: PCM Removal and Installation (9-Speed A/T) (2019 2020 2021), or PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T) .

Open wire check (INJ HS6 line, INJ LS6 line)

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

- 2. If removed, reinstall the injector relay.

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

- 4. Disconnect the following connector.

PCM connector E (80P)

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
Test point 1	PCM connector E (80P) No. 5 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018)
Test point 2	PCM connector E (80P) No. 19 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)

Is there continuity?

YES

The INJ HS6 wire and the INJ LS6 wire are not open. Go to step 21.

Go to step 19.

Open wire check (INJ HS6 line)

- 1. Disconnect the following connector.

No. 6 injector 2P connector

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	No. 6 injector 2P connector (female terminals) No. 2:
Test point 2	PCM connector E (80P) No. 19 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)

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Is there continuity?

YES

The INJ HS6 wire is OK. Go to step 20.

Repair an open in the INJ HS6 wire between the PCM (E19) and the No. 6 injector.

Open wire check (INJ LS6 line)

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	No. 6 injector 2P connector (female terminals) No. 1:
Test point 2	PCM connector E (80P) No. 5 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)

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Is there continuity?

YES

The INJ LS6 wire is OK. Replace the No. 6 injector - Refer to: Injector Removal & Installation (9-Speed A/T) (2019 2020 2021), or Injector Removal and Installation (6-Speed A/T, '16-'18 9-Speed A/T) .

Repair an open in the INJ LS6 wire between the PCM (E5) and the No. 6 injector.

Shorted wire check (INJ HS6 line to power)

- 1. Disconnect the following connector.

No. 6 injector 2P connector

- 2. Turn the vehicle to the ON mode.

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

Test condition	Vehicle ON mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 19 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)
Test point 2	Body ground

Is there any voltage?

YES

Repair a short to power in the INJ HS6 wire between the PCM (E19) and the No. 6 injector.

Go to step 22.

Shorted wire check (INJ LS6 line to power)

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

Test condition	Vehicle ON mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 5 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018)
Test point 2	Body ground

Is there any voltage?

YES

Repair a short to power in the INJ LS6 wire between the PCM (E5) and the No. 6 injector.

Go to step 23.

Shorted wire check (INJ HS6 line to ground)

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

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 19 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)
Test point 2	Body ground

Is there continuity?

YES

Repair a short to ground in the INJ HS6 wire between the PCM (E19) and the No. 6 injector.

The INJ HS6 wire is OK. Go to step 24.

Shorted wire check (INJ LS6 line to ground)

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 5 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020), 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 to ground in the INJ LS6 wire between the PCM (E5) and the No. 6 injector.

The INJ LS6 wire is OK. Go to step 25.

Shorted wire check (INJ HS2 line)

- 1. Disconnect the following connector.

No. 2 injector 2P connector

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

Test condition	Vehicle OFF (LOCK) mode
	PCM connector A (50P): disconnected (if already done)
	PCM connector E (80P): disconnected
	No. 2 injector 2P connector: disconnected
	No. 6 injector 2P connector: disconnected
Test point 1	PCM connector E (80P) No. 18 - Refer to: PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018), or PCM Connector for Inputs and Outputs (9-Speed A/T) (2019 2020 2021), or PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)
Test point 2	Body ground

Is there continuity?

YES

Repair a short in the INJ HS2 wire between the PCM (E18) and the No. 2 injector.

The INJ HS2 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 (9-Speed A/T) (2019 2020 2021), or PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T) , then recheck. If DTC P0202 and/or P0206 goes away and the PCM was substituted, replace the original PCM - Refer to: PCM Removal and Installation (6-Speed A/T), ('16-'18 9-Speed A/T), or PCM Removal and Installation (9-Speed A/T) (2019 2020 2021) .