Nissan Sentra B18 (2020-2025) Service Manual: B24a4-15 Intake Sensor
Dtc Description
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
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
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.
-
Other materials:
M/t Oil
Inspection
Inspection
OIL LEAKAGE
Make sure that gear oil is not leaking from
transaxle or around it.
OIL LEVEL
Remove
filler plug (1) and gasket from transaxle case.
Check the
oil level from filler plug mounting hole as shown.
CAUTION:
Do not start engine whi ...
Periodic Maintenance. Headlamp
Headlamp
Aiming Adjustment
Aiming Adjustment
PREPARATION BEFORE ADJUSTING
Before performing aiming adjustment, check the
following:
Ensure all tires are inflated to correct
pressure.
Place Nissan Sentra vehicle and screen on level surface.
...
Rear Suspension. Preparation. Preparation
Preparation
Special Service Tool
Special Service Tool
The actual shape of the tools may differ from those
illustrated here.
Tool number
(TechMate No.)
Tool name
Description
...