Nissan Sentra B18 (2020-2025) Service Manual: Dtc Diagnosis Procedure
The Signal Tech II Tool [– (NI-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information.
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Activate and display TPMS sensor IDs
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Display tire pressure reported by the TPMS sensor
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Read TPMS DTCs
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Register TPMS sensor IDs
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PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT
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CONSULTSelect “Self Diagnostic Result” mode of “ABS”.
Is any DTCs detected?
YES >>Check the DTCs. Refer to DTC Index.
NO >>GO TO 2.
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CHECK BCM INPUT/OUTPUT SIGNAL
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Check BCM input/output signal values. Refer to Reference Value.
Is the inspection result normal?
YES >>Check pin terminal and connection of each harness connector for malfunctioning conditions.
NO >>Replace BCM. Refer to Removal and Installation.
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Dtc Confirmation Procedure
DTC Confirmation
Procedure
CONFIRMATION PROCEDURE
CONSULT
Drive the Nissan Sentra vehicle at 25 MPH (40 km/h) or more. ...
Other materials:
P1551, P1552 Battery current sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1551
BAT CURRENT SENSOR
(Battery current sensor)
An excessively low voltage from the sensor
is sent to ECM.
Harness or ...
On Board Refueling Vapor Recovery (orvr)
Component Function Check
Component Function Check
CHECK ORVR FUNCTION
Check whether the following symptoms are
present.
Fuel odor from EVAP canister is
strong.
Cannot refuel/Fuel odor from the fuel
...
Inspection
Inspection
INSPECTION AFTER DISASSEMBLY
Check the following items and replace the parts
if necessary.
Strut
Check the strut for oil leaks, deformation,
cracks, or damage.
Check the piston rod for damage, uneven wear, or
distortion.
St ...
