Nissan Sentra B18 (2020-2025) Service Manual: P0106 Manifold Absolute Pressure Sensor

Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / P0106 Manifold Absolute Pressure Sensor

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0106	00	ABSL PRES SEN/CIRC (Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Range/Performance)	Diagnosis condition	—
			Signal (terminal)	MAP sensor signal
			Threshold	Difference between intake manifold air pressure and barometric pressure while engine stopped.
			Diagnosis delay time	5 consecutive seconds

POSSIBLE CAUSE

Harness or connectors
MAP sensor

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC P0106 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable. Refer to DTC Description.
NO >>
GO TO 2.
PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 1 minute before conducting the next test.

>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
1. Accelerate the Nissan Sentra vehicle from 40 km/h (25MPH) to 70 km/h (44 MPH) or more within 7 seconds.
  
  CAUTION:
  
  Always drive Nissan Sentra vehicle in safe manner according to traffic conditions and obey all traffic laws.
  
  Note:
  Keeping the accelerator pedal as steady as possible at approximately 3/8 during the acceleration allows easy diagnosis.
2. Check DTC.
Is DTC detected?
YES >>
Refer to DTC Diagnosis Procedure.
NO >>
INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC P0106 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable. Refer to DTC Description.
NO >>
GO TO 2.
CHECK MAP SENSOR FITTING CONDITION

Check MAP sensor fitting condition.

Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Adjust parts fitting condition.
CHECK FOR CHARGE AIR LEAK
1. Start the engine and let it idle.
2. Listen for an charge air leak.
Is intake air leak detected?
YES >>
Repair or replace error-detected parts.
NO >>
GO TO 4.
CHECK MAP SENSOR HARNESS CONNECTOR CONNECTIONS

Check MAP sensor harness connector connection.

Is the inspection result normal?
YES >>
GO TO 5.
NO >>
Repair or replace error-detected parts.
CHECK MAP SENSOR

Check MAP sensor. Refer to Component Inspection.

Is the inspection result normal?
YES >>
GO TO 6.
NO >>
Replace error-detected parts.

CHECK MAP SENSOR POWER SUPPLY CIRCUIT

Turn ignition switch ON.

Check the power supply of the MAP sensor.

+	-	Voltage (Approx.)
F76	1	Ground	5.0 V

Voltage

(Approx.)

MAP sensor

Connector

Terminal

F76

Ground

5.0 V

Is the inspection result normal?

YES >>

GO TO 7.

NO >>

Perform trouble diagnosis for power supply circuit.

CHECK MAP SENSOR CIRCUIT FOR OPEN AND SHORT

Check MAP sensor circuit for open and short.

ECM		MAP sensor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
F24	54	F76	1	Existed
	52		2
	49		3

Is the inspection result normal?

YES >>

Check intermittent incident. Refer to Intermittent Incident.

NO >>

Repair or replace error-detected parts.

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