Work Procedure

WARNING: This page is about a different car, the 2019 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

READING OF VIN DATA
With CONSULT (Work Support)

Select "SAVE VIN DATA", then "Start" on "SAVE VIN DATA" screen to save the VIN data stored in replaced TCU in CONSULT.

NOTE: If it cannot be saved, writing operation must be performed manually.

GO TO 2.
TCU REPLACEMENT
Replace TCU. Refer to Removal and Installation .

GO TO 3.
NOTICE TO CARRIER ATX HELP DESK
Contact ATX help desk to notice the termination of replaced TCU and connection of new TCU. (VIN is required)

Can ID data be saved to CONSULT at 1st step?

YES

GO TO 4.

NO

GO TO 5.
AUTOMATIC WRITING OF VIN DATA TO TCU
With CONSULT (Work Support)

Select "WRITE VIN (SAVED DATA)", then "Start" at "WRITE VIN (SAVED DATA)" screen to write the VIN data saved in CONSULT into new TCU.

WORK END.
MANUAL WRITING OF VIN DATA TO TCU
With CONSULT (Work Support)

Select "WRITE VIN (MANUAL INPUT)", "WRITE VIN (MANUAL INPUT)" then "Start" on changing screen to write the VIN data saved into new TCU.

WORK END.