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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Audio, Visual And Navigation System >> Basic Inspection >> Telematics >> Configuration (TCU) >> Work Procedure

Work Procedure

Description 

When replacing the TCU, the new TCU has not been written with the vehicle specifications, so it is necessary to write the vehicle specifications using CONSULT.

CAUTION:
  • Use "Manual Configuration" only when "Parts number" of TCU cannot be read.
  • If an error occurs during configuration, start over from the beginning.

Before Replacement 

  1. CHECKING PARTS NUMBER (1) 
    1. Search for the TCU of the corresponding vehicle using EPC (service parts catalog), and confirm the "Parts number".
    2. Print the "Parts number".

    >>

    GO TO 2

    .

  2. CHECKING PARTS NUMBER (2) 

    SYMBOL WITH CONSULT

    1. Select "Before Replace ECU" of "Read/Write Configuration".
    2. Check that "Parts number" is displayed on CONSULT.

    Is "Parts number" displayed?

    YES>>

    GO TO 3

    .

    NO>>

    WORK END (After replacing the TCU, write the vehicle specifications by "Manual Configuration").

  3. VERIFYING PARTS NUMBER 

    SYMBOL WITH CONSULT Compare a "Parts number" displayed on the CONSULT screen with the one searched by using EPC (service parts catalog) to check that these "Parts number" agree with each other.

    NOTE: For the "Parts number" searched by using EPC (service parts catalog), use the last five digits of the "Parts number".

    >>

    GO TO 4

    .

  4. SAVING PARTS NUMBER 

    SYMBOL WITH CONSULT Save "Parts number" on CONSULT.

    >>

    WORK END

After Replacement 

  1. CHECKING PARTS NUMBER 

    Check if "Parts number" is stored in CONSULT.

    Is "Parts number" stored in CONSULT '

    YES>>

    GO TO 2

    .

    NO>>

    GO TO 3

    .

  2. WRITING (AUTOMATIC WRITING) 

    SYMBOL WITH CONSULT

    1. Select "After Replace ECU" of "Re/programming, Configuration" or that of "Read / Write Configuration".
    2. Select the "Parts number" agreeing with the one stored on CONSULT and the one searched by using EPC (service parts catalog) to write the "Parts number" into the TCU.

    >>

    GO TO 4

    .

  3. WRITING (MANUAL WRITING) 

    SYMBOL WITH CONSULT

    1. Select "Manual Configuration".
    2. Select the "Parts number" searched by using EPC (service parts catalog) to write the "Parts number" into the TCU.
      NOTE: For the "Parts number" searched by using EPC (service parts catalog), use the last five digits of the "Parts number".

    >>

    GO TO 4

    .

  4. VERIFYING PARTS NUMBER 

    SYMBOL WITH CONSULT Compare a "Parts number" displayed on the CONSULT screen with the one searched by using EPC (service parts catalog) to check that these "Parts number" agree with each other.

    NOTE: For the "Parts number" searched by using EPC (service parts catalog), use the last five digits of the "Parts number".

    >>

    GO TO 5

    .

  5. OPERATION CHECK 

    Confirm that each function controlled by TCU operates normally.

    >>

    WORK END