DTC P2B61:00 [PCM (SKYACTIV-D)]

System malfunction location	Coolant control valve control: High duty malfunction
Detection condition	• When the following conditions are met, the coolant control valve actuator control duty value determined by the engine coolant temperature and intake air temperature exceeds the threshold for a continuous specified time. ― Engine coolant temperature: -30—120 °C{-22—248 °F} ― Battery positive voltage: 8 V or more ― During coolant control valve control ― The following DTCs are not detected • Coolant control valve control system: P16A7:00, P2B58:00, P2B5F:00, 2B5E:00
Fail-safe	• PCM restricts engine torque. • Limits the maximum engine speed. • Inhibits the DENOx/DESOx control. • Inhibits the diesel particulate filter regeneration control. • Inhibits the EGR control.
Possible cause	• Coolant control valve/coolant control valve position sensor connector or terminal malfunction • PCM connector or terminal malfunction • Short to ground in coolant control valve position sensor power supply circuit • Short to power supply in coolant control valve position sensor ground circuit • Open circuit in any of the following coolant control valve circuits. ― Control circuit • Open circuit in any of the following coolant control valve position sensor circuits. ― Power supply circuit ― Ground circuit • Coolant control valve malfunction • Coolant control valve position sensor malfunction • PCM malfunction

System malfunction location

Coolant control valve control: High duty malfunction

Detection condition

• When the following conditions are met, the coolant control valve actuator control duty value determined by the engine coolant temperature and intake air temperature exceeds the threshold for a continuous specified time.

― Engine coolant temperature: -30—120 °C{-22—248 °F}

― Battery positive voltage: 8 V or more

― During coolant control valve control

― The following DTCs are not detected

• Coolant control valve control system: P16A7:00, P2B58:00, P2B5F:00, 2B5E:00

Fail-safe

• PCM restricts engine torque.

• Limits the maximum engine speed.

• Inhibits the DENOx/DESOx control.

• Inhibits the diesel particulate filter regeneration control.

• Inhibits the EGR control.

Possible cause

• Coolant control valve/coolant control valve position sensor connector or terminal malfunction

• PCM connector or terminal malfunction

• Short to ground in coolant control valve position sensor power supply circuit

• Short to power supply in coolant control valve position sensor ground circuit

• Open circuit in any of the following coolant control valve circuits.

― Control circuit

• Open circuit in any of the following coolant control valve position sensor circuits.

― Power supply circuit

― Ground circuit

• Coolant control valve malfunction

• Coolant control valve position sensor malfunction

• PCM malfunction

Step	Inspection	Results	Action
1	RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION • Record the freeze frame data/snapshot data. Note • Recording can be facilitated using the screen capture function of the PC.	—	Go to the next step.
2	VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY • Verify related Service Bulletins, on-line repair information, or Service Information availability. • Is any related Information available?	Yes	Perform repair or diagnosis according to the available information. • If the vehicle is not repaired, go to the next step.
No	Go to the next step.
3	INSPECT FOR OTHER RELATED DTCs • Perform the DTC inspection for the PCM. (See DTC INSPECTION.) • Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-D)].)
No	Go to the next step.
4	INSPECT COOLANT CONTROL VALVE/COOLANT CONTROL VALVE POSITION SENSOR CONNECTOR FOR MALFUNCTION • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION.) • Are the connector and terminal normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification.
5	INSPECT PCM CONNECTOR FOR MALFUNCTION • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION.) • Are the connector and terminal normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification.
6	INSPECT COOLANT CONTROL VALVE POSITION SENSOR POWER SUPPLY CIRCUIT FOR SHORT TO GROUND • Inspect the applicable circuit for a short to ground. (See CIRCUIT INSPECTION.) • Is the circuit normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification.
7	INSPECT COOLANT CONTROL VALVE GROUND CIRCUIT FOR SHORT TO POWER SUPPLY • Inspect the applicable circuit for a short to power supply. (See CIRCUIT INSPECTION.) • Is the circuit normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification.
8	INSPECT COOLANT CONTROL VALVE CONTROL CIRCUIT FOR OPEN CIRCUIT • Inspect the applicable circuit for open circuit. (See CIRCUIT INSPECTION.) • Is the circuit normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification.
9	INSPECT COOLANT CONTROL VALVE POSITION SENSOR POWER SUPPLY CIRCUIT AND GROUND CIRCUIT FOR OPEN CIRCUIT • Inspect the applicable circuit for open circuit. (See CIRCUIT INSPECTION.) • Is the circuit normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification.
10	INSPECT COOLANT CONTROL VALVE FOR MALFUNCTION • Inspect the applicable part. (See COOLANT CONTROL VALVE INSPECTION [SKYACTIV-D 1.8].) • Is the part normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification. (See COOLANT CONTROL VALVE REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)
11	INSPECT COOLANT CONTROL VALVE POSITION SENSOR FOR MALFUNCTION • Inspect the applicable part. (See COOLANT CONTROL VALVE POSITION SENSOR INSPECTION [SKYACTIV-D 1.8].) • Is the part normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification. (See COOLANT CONTROL VALVE POSITION SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)
Repair completion verification 1	VERIFY THAT VEHICLE IS REPAIRED • Install/connect the part removed/disconnected during the troubleshooting procedure. • Clear the DTC recorded in the memory. (See CLEARING DTC.) • Replicate the vehicle conditions at the time the DTC was detected using the following procedure. ― Perform the KOEO self-test. (See DTC INSPECTION.) • Perform the DTC inspection for the PCM. (See DTC INSPECTION.) • Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].) If the CAN communication is normal, perform the diagnosis from Step 1. • If the malfunction recurs, replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)
No	Go to the next step.
Repair completion verification 2	VERIFY IF OTHER DTCs DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
No	DTC troubleshooting completed.

Step

Inspection

Results

Action

RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION

• Record the freeze frame data/snapshot data.

Note

• Recording can be facilitated using the screen capture function of the PC.

—

Go to the next step.

VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY

• Verify related Service Bulletins, on-line repair information, or Service Information availability.

• Is any related Information available?

Yes

Perform repair or diagnosis according to the available information.

• If the vehicle is not repaired, go to the next step.

Go to the next step.

INSPECT FOR OTHER RELATED DTCs

• Perform the DTC inspection for the PCM.

(See DTC INSPECTION.)

• Are any other DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

(See DTC TABLE [PCM (SKYACTIV-D)].)

Go to the next step.

INSPECT COOLANT CONTROL VALVE/COOLANT CONTROL VALVE POSITION SENSOR CONNECTOR FOR MALFUNCTION

• Inspect the applicable connector and terminal.

(See CONNECTOR INSPECTION.)

• Are the connector and terminal normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

INSPECT PCM CONNECTOR FOR MALFUNCTION

• Inspect the applicable connector and terminal.

(See CONNECTOR INSPECTION.)

• Are the connector and terminal normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

INSPECT COOLANT CONTROL VALVE POSITION SENSOR POWER SUPPLY CIRCUIT FOR SHORT TO GROUND

• Inspect the applicable circuit for a short to ground.

(See CIRCUIT INSPECTION.)

• Is the circuit normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

INSPECT COOLANT CONTROL VALVE GROUND CIRCUIT FOR SHORT TO POWER SUPPLY

• Inspect the applicable circuit for a short to power supply.

(See CIRCUIT INSPECTION.)

• Is the circuit normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

INSPECT COOLANT CONTROL VALVE CONTROL CIRCUIT FOR OPEN CIRCUIT

• Inspect the applicable circuit for open circuit.

(See CIRCUIT INSPECTION.)

• Is the circuit normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

INSPECT COOLANT CONTROL VALVE POSITION SENSOR POWER SUPPLY CIRCUIT AND GROUND CIRCUIT FOR OPEN CIRCUIT

• Inspect the applicable circuit for open circuit.

(See CIRCUIT INSPECTION.)

• Is the circuit normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

INSPECT COOLANT CONTROL VALVE FOR MALFUNCTION

• Inspect the applicable part.

(See COOLANT CONTROL VALVE INSPECTION [SKYACTIV-D 1.8].)

• Is the part normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

(See COOLANT CONTROL VALVE REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)

INSPECT COOLANT CONTROL VALVE POSITION SENSOR FOR MALFUNCTION

• Inspect the applicable part.

(See COOLANT CONTROL VALVE POSITION SENSOR INSPECTION [SKYACTIV-D 1.8].)

• Is the part normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

(See COOLANT CONTROL VALVE POSITION SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)

Repair completion verification 1

VERIFY THAT VEHICLE IS REPAIRED

• Install/connect the part removed/disconnected during the troubleshooting procedure.

• Clear the DTC recorded in the memory.

(See CLEARING DTC.)

• Replicate the vehicle conditions at the time the DTC was detected using the following procedure.

― Perform the KOEO self-test.

(See DTC INSPECTION.)

• Perform the DTC inspection for the PCM.

(See DTC INSPECTION.)

• Is the same Pending DTC present?

Yes

Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)

If the CAN communication is normal, perform the diagnosis from Step 1.

• If the malfunction recurs, replace the PCM, then go to the next step.

(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)

Go to the next step.

Repair completion verification 2

VERIFY IF OTHER DTCs DISPLAYED

• Perform the DTC inspection.

(See DTC INSPECTION.)

• Are any other DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

DTC troubleshooting completed.

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