Nissan Rogue (T33) 2021-Present Service Manual: U060f Sent Communication

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / U060f Sent Communication

DTC Description

DTC DETECTION LOGIC

When ECM unable to transmit engine communication signal.

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U060F 00

Lost comm with MAF sensor

(Lost Communication With Mass or Volume Air Flow Sensor "A") 		Diagnosis condition Ignition switch ON
Signal (terminal) SENT communication signal
Threshold ECM unable to transmit engine communication signal to mass air flow sensor
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connectors (SENT communication circuit is open or shorted.)

  • Mass air flow sensor

FAIL-SAFE

Engine Control System

Fail safe mode Nissan Ariya Vehicle behavior
Traveling control mode Engine output control

ECM reduces the engine output, according to the rise in engine speed. This reduces the Nissan Ariya vehicle speed to encourage the driver to repair malfunction.

  • Driving at 70 km/h (44 MPH) or more is possible.

NOTE:

This value is a reference value converted from engine power to Nissan Ariya vehicle speed. Actual power limitation value differs due to the malfunctioning part and driving condition.
Device fix mode

  • This mode fixes the electric IVT control actuator and the EVT control solenoid valve in the reference position.

  • A control signals is not transmitted to the EGR volume control valve and the EGR volume control is deactivated.
Combustion control mode Ignition timing correction control Partially controls ignition timing control.
Retardation control Controls ignition timing delay control in the intermediate water temperature range.

Stop/Start System

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.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 5 seconds.

  2. Check DTC.

Is DTC detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

INSPECTION END

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON.

  2. Erase DTC.

  3. Perform DTC confirmation procedure again. Refer to DTC Description.

  4. Check 1st trip DTC.

Is the DTC U060F displayed again?

YES>>

GO TO 2.

NO>>

INSPECTION END

CHECK HARNESS CONNECTOR

  1. Disconnect mass air flow (MAF) sensor harness connector and ECM harness connector.

  2. Connect MAF sensor harness connector and ECM harness connector.

  3. Perform DTC Confirmation Procedure. Refer to DTC Description.

Is 1st trip DTC detected?

YES>>

GO TO 3.

NO>>

INSPECTION END

CHECK MAF SENSOR INPUT SIGNAL CIRCUIT

  1. Check the continuity between MAF sensor harness connector and ECM harness connector.

    + − Continuity
    MAF sensor ECM
    Connector Terminal Connector Terminal
    F25 1 F72 47 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 MAF SENSOR

Check the MAF sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Replace MAF sensor. Refer to Exploded View.

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