Nissan Sentra B18 (2020-2025) Service Manual: P044b Egr Volume Control Valve Position Sensor
Dtc Description
DTC Description
DTC DETECTION LOGIC
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P044B |
EGR SENSOR C (EGR Sensor "C" Circuit Range/Performance) |
Diagnosis condition |
After warming up, switch OFF the ignition every time the engine is stopped. |
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Signal (terminal) |
― |
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Threshold |
When EGR volume control valve is fully closed or fully opened, sensor output is out of the specified range. |
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Diagnosis delay time |
0.3 seonds or more |
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POSSIBLE CAUSE
EGR volume control valve failure (sensor failure, internal gear damage, valve movement is not smooth)
FAIL-SAFE
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Fail safe mode |
Nissan Sentra Vehicle behavior |
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|---|---|---|
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Traveling control mode |
Accelerator angle variation control |
ECM controls the accelerator pedal depression speed to make it slower than actual speed. This causes a drop in accelerating performance and encourages the driver to repair malfunction. Note:
ECM does not control the accelerator pedal releasing speed. |
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Device fix mode |
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DTC CONFIRMATION PROCEDURE
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PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
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Turn ignition switch OFF and wait at least 10 seconds.
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Turn ignition switch ON.
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Turn ignition switch OFF and wait at least 10 seconds.
GO TO 2.
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PERFORM DTC CONFIRMATION PROCEDURE
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Start the engine and warm it up to normal operating temperature.
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Stop the engine.
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Switch ON the ignition and wait at least 3 seconds.
Is the DTC detected?
YES >>Proceed to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
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Dtc Diagnosis Procedure
DTC Diagnosis Procedure
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REPLACE EGR VOLUME CONTROL VALVE
Replace EGR volume control valve. Refer to Removal and Installation.
>>INSPECTION END
Other materials:
U1600 Front Left Door Speaker Out
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection condition
...
B24d4-08 A/c Control Comm
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
...
High Pressure Fuel Pump
Component Function Check
Component Function Check
CHECK HIGH PRESSURE FUEL PUMP
FUNCTION
With CONSULT
Start engine.
Select “FUEL PRES SEN V”
in “DATA MONITOR” mode of
“ENGINE” usi ...