Nissan Rogue (T33) 2021-Present Service Manual: 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 |
|
|
| 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 |
|
|
| 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
-
Turn ignition switch ON and wait at least 5 seconds.
-
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.
Other materials:
Camshaft
Exploded View
1.
Intake camshaft position sensor
2.
Exhaust camshaft position sensor
3.
O-ring
4.
Camshaft bracket
5.
Camshaft (EXH)
6.
Dowel pin
7.
Camshaft bearing
8.
Camshaft sprocket (EXH)
9.
Camshaft sprocket (INT)
10.
Valve lifte ...
Exit Assist Function
System Description
SYSTEM DIAGRAMSeveral types of signals are transmitted from the following units to the driver seat control unit via CAN communication.INPUT SIGNAL AND OUTPUT SIGNAL Component Signal
ABS actuator and electric unit (control unit)
Nissan Ariya Vehicle speed signal
BCM
...
Symptom Diagnosis. Key Reminder Function Does Not Operate
Diagnosis Procedure
CHECK DOOR SWITCH
Check door switch.
Refer to Component Function Check.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning parts.
CHECK UNLOCK SENSOR
Check unlock sensor.
Refer to Diagnosis Procedure.
Is the ins ...
