Nissan Rogue (T33) 2021-Present Service Manual: P26a3 Multi-Way Control Valve Motor

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P26a3 Multi-Way Control Valve Motor

DTC Description

DTC DETECTION LOGIC

NOTE:

If DTC P26A3 is displayed with DTC P26A5, P26A6, and/or P26A7 first perform the trouble diagnosis for DTC P26A5, P26A6, and/or P26A7. Refer to DTC Index.

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P26A3 00

ENGINE COOLANT BYPASS VALVE

(Engine coolant bypass valve A range/performance) 		Diagnosis condition —
Signal (terminal) —
Threshold

ECM detects the following status continuously for 10 seconds or more:

Target valve angle - actual valve angle ≥± 5°
Diagnosis delay time 5 consecutive seconds

POSSIBLE CAUSE

  • Harness or connectors

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

  • Multi-way control valve

  • 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 between more than 10 V and less than 16 V at idle.

>>

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 60 seconds.

  3. 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 MULTI-WAY CONTROL VALVE MOTOR OUTPUT SIGNAL CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect multi-way control valve harness connector and 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 1 F71 72 Existed
    2 71

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace error-detected parts.

CHECK MULTI-WAY CONTROL VALVE MOTOR

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

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

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

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