When A TCU Needs to Be Replaced
When a TCU Needs to be ReplacedNOTE:
Each TCU is registered to a specific VIN. TCUs cannot be "swapped" between vehicles.
1. Turn OFF the TCU using C-III plus.
^ Perform steps 1-15 of the "Turning ON the TCU During PDI" procedure.
NOTE:
> Instead of selecting "ON" in step 11, select "OFF".
> In step 15, confirm the current status is displayed as "OFF".
> After step 15, select END.
2. Select SAVE VIN DATA.
3. Select Start.
4. Select START.
NOTE:
If the VIN data cannot be saved, you will have to manually enter the VIN later in this procedure.
5. Select End.
6. Remove the TCU from the vehicle.
^ See the AV section of the ESM for removal instructions.
Steps 7 and 8 must be performed AFTER the original TCU is removed from the vehicle and BEFORE the replacement TCU is installed.
7. Collect and have ready the following information:
a) VIN.
b) International Mobile Equipment Identity Number (IMEI) of the orginal TCU. This number is located on the TCU.
c) IMEI Number of the replacement TCU. This number is located on the TCU.
d) Serial Number of the replacement TCU. This number is located on the TCU.
8. Call Nissan LEAF TCU Replacement Support. (Hours of operation are listed above.)
NOTE:
The information shown above is for TCU activation and deactivation ONLY. The Support Center agent is unable to assist with matters unrelated to TCU activation and deactivation.
During this call:
^ You will be asked for your name, dealership name, and all of the information collected in step 7.
^ The Support Center agent will deactivate the original TCU and activate the replacement TCU.
IMPORTANT:
Step 8 MUST be performed to activate the replacement TCU. If it is not performed the TCU will not be able to communicate with the CARWINGS(TM) Global Data Center.
9. Install the replacement TCU into the vehicle.
^ See the AV section of the ESM for installation instructions.
10. Perform steps 1-7 of the Turning ON the TCU During PDI procedure.
11. Select WRITE VIN DATA.
NOTE:
If VIN DATA could not be saved in step 4, proceed to Manually Enter VIN Data (if needed) shown below.
12. Select Start.
13. Select Start.
14. Select End.
15. Turn ON the TCU.
^ Perform the Turning ON the TCU During PDI procedure.
- PROCEED TO STEP 21 -
Manually Enter VIN Data (if needed)
16. Select WRITE VIN DATA (MANUAL).
17. Select NEXT.
18. Enter the VIN.
a) Touch the VIN (1ST TIME) input field and type in the VIN.
b) Touch the VIN (2ND TIME) input field and type in the VIN again.
c) Select Start.
19. Select End.
20. Turn ON the TCU.
^ Perform the Turning ON the TCU During PDI procedure.
21. Press the Zero Emission button on the Multifunction Control Panel.
22. Select CARWINGS.
23. Select CARWINGS Settings.
24. Select Sign in.
25. Select Send ID and password to resend the CARWINGS(TM) User ID and Password.
NOTE:
The CARWINGS(TM) User ID and Password should already be entered into the fields. If these fields are blank, perform the After A/V Control Unit Replacement - Enter CARWINGS(TM) User ID and Password procedure.