LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Telematics System) >> Telematics System >> DTC/Circuit Diagnosis >> U1A04 TCU >> 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.
  1. PERFORM WRITING VEHICLE IDENTIFICATION NUMBER DATA TO TCU 

    SYMBOL With CONSULT

    1. Select "WRITE VIN (MANUAL INPUT)" in "Work Support" mode of "TELEMATICS" using CONSULT.
    2. Touch "Start" on changing screen to write the vehicle identification number data saved into TCU.

    Was the writing of vehicle identification number data completed?

    YES

    GO TO 2 .

    NO

    Replace TCU. Refer to Removal and Installation .

  2. PERFORM DTC CONFIRMATION PROCEDURE AGAIN 

    SYMBOL CONSULT

    1. Turn ignition switch ON.
    2. Erase DTC using CONSULT.
    3. Select "Self Diagnostic Result" mode of "TELEMATICS" using CONSULT.
    4. Check DTC.

    Is DTC U1A04 detected?

    YES

    Replace TCU. Refer to Removal and Installation .

    NO

    Inspection End.

scientia non olet · About LEMON Manuals