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Nissan Sentra B18 (2020-2025) Service Manual: Low Tire Pressure Warning Lamp Blinks

Symptom Description

Symptom Description

When the ignition switch is ON, the low tire pressure warning lamp blinks. And then 1 minute later, low tire pressure warning lamp turns ON.

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK TIRE PRESSURE SENSOR INSTALLATION

    1. Check visually that tire pressure sensors are installed to each wheels correctly.

      Note:

      In the following case, TPMS system does not function:

      • Tire pressure sensor(s) are not installed.

      • Tire pressure sensor(s) of other cars are installed.

    Are the genuine NISSAN tire pressure sensors installed correctly?

    YES >>

    GO TO 2.

    NO >>

    Replace and/or Install tire pressure sensor(s). Refer to Removal and Installation. GO TO 3.

  2. PERFORM SELF DIAGNOSTIC RESULT

    1. CONSULT

      Select “Self Diagnostic Result” mode of “BCM(AIR PRESSURE MONITOR)”.

    Is DTC detected?

    YES >>

    Perform DTC diagnosis procedure. Refer to DTC Index.

    NO >>

    GO TO 4.

  3. TIRE PRESSURE SENSOR ID REGISTRATION

    1. Perform tire pressure sensor ID registration. Refer to Work Procedure.

    Is tire pressure sensor ID registration completed?

    YES >>

    Adjust the tire pressure for all wheels specified to the value. Refer to Tire Air Pressure.

    NO >>

    Perform diagnosis procedure of “ID REGISTRATION CANNOT BE COMPLETED”. Refer to Diagnosis Procedure.

  4. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

    1. Perform the trouble diagnosis for BCM power supply and ground circuit. Refer to Diagnosis Procedure.

    Is the inspection result normal?

    YES >>

    Repair or replace error-detected parts.

    NO >>

    Replace BCM. Refer to Removal and Installation.

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