Nissan Rogue (T33) 2021-Present Service Manual: P26a6 Multi-Way Control Valve Position Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P26a6 Multi-Way Control Valve Position Sensor

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P26A6 00

ENGINE COOLANT B/V A POSI SEN

(Engine coolant bypass valve A position sensor circuit low) 		Diagnosis condition Engine running at idle
Signal (terminal) Multi-way control valve position sensor signal
Threshold

ECM detects the following status continuously for 5 seconds or more:

A voltage signal transmitted from the multi-way control valve position sensor is 0.32 V or less.
Diagnosis delay time 5 consecutive seconds

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

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 11 V at ignition switch ON.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

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

  2. Start the engine and let it idle for 20 seconds.

  3. Check 1st trip DTC.

Is DTC P26A6 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 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 2.

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 3.

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 4.

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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