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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Wheel And Tire System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC C1729: Vehicle Speed Signal >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The Signal Tech II Tool [- (J-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
  1. PERFORM SELF DIAGNOSTIC RESULT FOR COMBINATION METER 

    SYMBOL With CONSULT

    Perform "Self Diagnostic Result" of "METER M&A". Refer to CONSULT Function (METER/M&A) .

    Are any DTCs detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 2 .

  2. CHECK BCM INPUT/OUTPUT SIGNAL 

    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 the BCM. Refer to Removal and Installation .