Nissan Sentra B18 (2020-2025) Service Manual: Dtc Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual / Suspension / Road Wheels & Tires :: Dtc/circuit Diagnosis / C1744-21 Tire Pressure Sensor No Data Rr / Dtc Diagnosis Procedure

DTC Diagnosis Procedure Note:

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.

Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTCs
Register TPMS sensor IDs

CHECK TIRE PRESSURE SIGNAL
1. CONSULT
  1. Select "AIR PRESS RR" in "Data Monitor" mode of "BCM(AIR PRESSURE MONITOR)".
  2. Check that the rear right tire pressures match the standard value. Refer to Values on the Diagnosis Tool.
    Note:
    BCM holds last tire pressure values during 17 minutes after ignition switch OFF.
Are all tire pressures displayed 0 kPa (psi)?
YES >>
GO TO 2.
NO >>
GO TO 3.
CHECK BCM POWER SUPPLY CIRCUIT
1. Check BCM power supply circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace harness or connectors.
TIRE PRESSURE SENSOR ID REGISTRATION
1. Perform tire pressure sensor ID registration. Refer to Work Procedure.
Can the tire pressure sensor ID registration be completed?
YES >>
GO TO 4.
NO >>
Replace applicable rear right tire pressure sensor. Refer to Removal and Installation.
RECHECK TIRE PRESSURE SIGNAL
1. CONSULT
  1. Drive the Nissan Sentra vehicle at 25 MPH (40 km/h) or more reaches 10 minuets in total.
    Note:
    Avoid driving in areas with radio interference.
  2. Stop the Nissan Sentra vehicle.
  3. Select "AIR PRESS RR" in "Data Monitor" mode of "BCM(AIR PRESSURE MONITOR)".
  4. Check that the rear right tire pressures match the standard value. Refer to Values on the Diagnosis Tool.
Is the inspection result normal?
YES>>
After erasing DTC record, Inspection End.
NO>>
Replace BCM. Refer to Removal and Installation.

Dtc Confirmation Procedure

DTC Confirmation Procedure TIRE PRESSURE SENSOR ID REGISTRATION Perform tire pressure sensor ID registration. Refer to Work Procedure. ...

Low Tire Pressure Warning Lamp

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