Nissan Rogue (T33) 2021-Present Service Manual: P0641 Sensor Power Supply

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P0641 Sensor Power Supply

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0641 00

Sensor reference voltage A

(Sensor reference voltage “A” circuit 1 open) 		Diagnosis condition Ignition switch ON
Signal (terminal) —
Threshold When an input voltage of sensor reference is not 3.3 V.
Diagnosis delay time —

POSSIBLE CAUSE

Electric IVT control module

FAIL-SAFE

Engine Control System

Fail safe mode Nissan Ariya Vehicle behavior
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 Idle speed control Stops feedback control of idle speed and controls with specified speed.
Recovery speed control at decelerating Stops recovery speed control by the fuel cut at decelerating and controls with specified speed.
Idle neutral control Stops idle neutral control.

or

Fail safe mode Nissan Ariya Vehicle behavior
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 Stratified charge combustion control at starting No stratified charge combustion at starting (cold start).

Stop/Start System

When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited. When ECM detects error while operating the stop/start system, ECM restarts the engine.

DTC Confirmation Procedure

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

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

  2. Check DTC.

Is DTC P0641 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 ELECTRIC IVT CONTROL MODULE POWER SUPPLY AND GROUND CIRCUIT

Check electric IVT control module power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

Replace electric IVT control module. Refer to ELECTRIC INTAKE VALVE TIMING CONTROL MODULE : Removal & Installation.

NO>>

Repair or replace error-detected parts.

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