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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 205 (Wheels & Tires (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> Low Tire Pressure Warning Lamp >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM SELF-DIAGNOSIS 

    SYMBOL CONSULT

    Perform "Self Diagnostic Result" of "AIR PRESSURE MONITOR".

    Is any DTC detected?

    YES

    Check the DTC. Refer to DTC Index .

    NO

    GO TO 2

  2. LOW TIRE PRESSURE WARNING CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT 

    Check low tire pressure warning control unit power supply and ground circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 3

    NO

    Repair or replace malfunctioning components.

  3. CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL 

    SYMBOL CONSULT

    1. Turn the ignition switch ON.
      CAUTION: Never start the engine.
    2. Select "Active Test" of "AIR PRESSURE MONITOR".
    3. Select "WARNING LAMP" in "Active Test".
    4. Touch "On" and "Off" and verify proper operation of low tire pressure warning lamp.

    Is the inspection result normal?

    YES

    Check the combination meter. Refer to Diagnosis Procedure (type A) or Diagnosis Procedure (type B).

    NO

    Replace the low tire pressure warning control unit. Refer to Removal and Installation .

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