LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 594 (Telematics System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC U1A09: GPS Antenna >> Diagnosis Procedure >> Telematics System (DTC/Circuit Diagnosis)

Telematics System (DTC/Circuit Diagnosis)

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TELEMATICS ANTENNA 

    Visually check telematics antenna and antenna feeder. Refer to Removal and Installation .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair malfunctioning parts.

  2. CHECK TCU VOLTAGE 
    1. Disconnect TCU harness connector M122.
    2. Turn ignition switch ON.
    3. Check voltage between TCU connector M122 and ground.

      TCU

      Ground

      Voltage

      (Approx.)

      Connector

      Terminals

      M122

      49

      2.8 V

    Is the check result normal?

    YES

    Replace telematics antenna. Refer to Removal and Installation .

    NO

    Replace TCU. Refer to Removal and Installation .

scientia non olet · About LEMON Manuals