Nissan Rogue (T33) 2021-Present Service Manual: P26a5 Multi-Way Control Valve Position Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P26a5 Multi-Way Control Valve Position Sensor

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P26A5 00

ENGINE COOLANT B/V A POSI SEN

(Engine coolant bypass valve A position sensor circuit range/performance) 		Diagnosis condition —
Signal (terminal) Multi-way control valve position sensor signal
Threshold

ECM detects the following status:

  • A voltage signal transmitted from the multi-way control valve position sensor is 4.8 V or more/4.49 V or less. Outside the above threshold when the valve is moved to the upper side stopper after ignition OFF.

  • A voltage signal transmitted from the multi-way control valve position sensor is 0.63 V or more/0.32 V or less. Outside the threshold when the valve is moved to the lower side stopper after engine start.
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connectors

    (Multi-way control valve position sensor circuit is open or shorted.)

  • Multi-way control valve position sensor

  • Sensor power supply 1 circuit

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC P26A5 is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for other DTC.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Index.

NO>>

GO TO 2.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.

  2. Turn ignition switch ON.

  3. Turn ignition switch OFF and wait at least 10 seconds.

TEST CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at ignition switch ON.

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE-1

  1. Start the engine and let it idle.

  2. Maintain the following conditions for at least 10 consecutive seconds.

    Engine outlet coolant temperature

    (engine coolant temperature sensor 1)     		10°C (50°F) or more
    Engine oil temperature 135°C (275°F) or less
    Engine speed 4,500 rpm or less
    Accelerator pedal Fully released

  3. Check 1st trip DTC.

Is 1st trip DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

GO TO 4.

PERFORM DTC CONFIRMATION PROCEDURE-2

  1. Turn ignition switch OFF and wait at least 10 seconds.

  2. Start the engine and let it idle.

  3. Maintain the following conditions for at least 10 consecutive seconds.

    Engine outlet coolant temperature

    (engine coolant temperature sensor 1)     		10°C (50°F) or more
    Engine oil temperature 135°C (275°F) or less
    Engine speed 4,500 rpm or less

  4. Check 1st trip DTC.

Is 1st trip DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC P26A5 is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for other DTC.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Index.

NO>>

GO TO 2.

CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect multi-way control valve harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between multi-way control valve harness connector and ground.

    + −

    Voltage

    (Approx.)
    Multi-way control valve
    Connector Terminal
    F106 4 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Perform the trouble diagnosis for power supply circuit.

CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR GROUND CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between multi-way control valve harness connector and ECM harness connector.

    Multi-way control valve ECM Continuity
    Connector Terminal Connector Terminal
    F106 3 F71 111 Existed

  4. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace error-detected parts.

CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR INPUT SIGNAL CIRCUIT

  1. Check the continuity between multi-way control valve harness connector and ECM harness connector.

    Multi-way control valve ECM Continuity
    Connector Terminal Connector Terminal
    F106 5 F71 91 Existed

  2. Also check harness for short to ground and to power.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace error-detected parts.

CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR

Check the multi-way control valve position sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace multi-way control valve. Refer to Removal and Installation.

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