Nissan Sentra B18 (2020-2025) Service Manual: B24a4-15 Intake Sensor
Dtc Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
|
|---|---|---|---|
|
B24A4-15 |
INTAKE SENSOR (Intake sensor) |
Diagnosis condition |
Ignition switch ON |
|
Signal (Terminal) |
Intake sensor signal |
||
|
Threshold |
The intake sensor recognition temperature is too low [less than -44°F (-42°C)] |
||
|
Diagnosis delay time |
2 seconds or more |
||
POSSIBLE CAUSE
-
Intake sensor
-
A/C auto amp.
-
Harness or connectors (The sensor circuit is open or shorted to battery)
FAIL-SAFE
—
Confirmation Procedure
-
PERFORM DTC CONFIRMATION PROCEDURE
-
CONSULT-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “HVAC”.
-
Check DTC.
-
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
-
Dtc Diagnosis Procedure
-
CHECK INTAKE SENSOR SIGNAL
-
-
Ignition switch ON.
-
Check voltage between A/C auto amp. harness connector.
A/C auto amp.
Voltage
(Approx.)
Connector
Terminals
+
-
M33
23
26
-
Is the inspection result normal?
YES >>Replace A/C auto amp. Refer to Removal and Installation.
NO >>GO TO 2.
-
-
CHECK INTAKE SENSOR POWER SUPPLY
-
-
Ignition switch OFF.
-
Disconnect intake sensor connector.
-
Ignition switch ON.
-
Check voltage between intake sensor harness connector and ground.
+
-
Voltage
(Approx.)
Intake sensor
Connector
Terminal
M169
1
Ground
5 V
-
Is the inspection result normal?
YES >>GO TO 3.
NO >>GO TO 5.
-
-
CHECK INTAKE SENSOR GROUND CIRCUIT FOR OPEN
-
-
Ignition switch OFF.
-
Disconnect A/C auto amp. connector.
-
Check continuity between intake sensor harness connector and A/C auto amp. harness connector.
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M169
2
M33
26
Yes
-
Is the inspection result normal?
YES >>GO TO 4.
NO >>Repair harness or connector.
-
-
CHECK INTAKE SENSOR
-
Check intake sensor. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>Replace A/C auto amp. Refer to Removal and Installation.
NO >>Replace intake sensor. Refer to Removal and Installation.
-
-
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
-
-
Ignition switch OFF.
-
Disconnect A/C auto amp. connector.
-
Check continuity between intake sensor harness connector and A/C auto amp. harness connector.
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M169
1
M33
23
Yes
-
Is the inspection result normal?
YES >>GO TO 6.
NO >>Repair harness or connector.
-
-
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT
-
Check voltage between intake sensor harness connector and ground.
+
-
Voltage
(Approx.)
Intake sensor
Connector
Terminal
M169
1
Ground
0 V
Is the inspection result normal?
YES >>Replace A/C auto amp. Refer to Removal and Installation.
NO >>Repair harness or connector.
-
B24a4-11 Intake Sensor
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Tro ...
Other materials:
Service Data and Specifications (sds)
Idle Speed : Service Data
IDLE SPEED : Service Data
Transmission
Condition
Specification
(Approx.)
CVT
...
Precautions
Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as
“AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along wit ...
Periodic maintenance
Introduction of periodic maintenance
The following tables show the normal maintenance schedule. Depending upon
weather and atmospheric conditions,
varying road surfaces, individual driving habits and vehicle usage, additional
or more frequent maintenance
may be required.
Periodic maintenan ...
