Attachment A - ECM Reprogramming For Nissan

ECM Reprogramming is done in two stages:

^ Download the ECM Reprogramming data from ASIST to CONSULT-II. Use CONSULT-II to install the ECM Reprogramming data into the vehicle ECM.

Download ECM Reprogramming data from ASIST to CONSULT-II





1. Install the ECU Reprogramming Software Card (orange) into slot A of CONSULT-II (see Figure 1).

2a. Connect the AC power supply to CONSULT-II.

2b. Connect CONSULT-II to the ASIST PC with the special Ethernet cable (P/N 02002554, printed on the cable) contained in the CONSULT-II kit.

NOTES:

^ Connect the special Ethernet cable to CONSULT-II at the "PC port" located at the bottom end of the CONSULT-II unit.

^ Connect the special Ethernet cable to the ASIST PC by connecting it to the "Ethernet card" connection port located on the back of the computer.

3. Confirm the CONSULT-II date and time is correctly set as follows:

A. With the ECU Reprogramming Software card in slot A, turn CONSULT-II ON.





B. Touch "SUB MODE".

C. Touch "SET DATE".

^ If date is not correct, touch the month, day or year as needed. Then adjust it by using arrow keys. Once done, press "SAVE", press "BACK" and go to step D.

^ If date is OK, press "BACK" and go to step D.

D. Touch "SET TIME".

^ If time is not correct, touch the hour, minute or AM/PM as needed. Then adjust it by using arrow keys. Once done, press "SAVE", press "BACK" and go to step 4.

^ If time is OK, press "BACK" and go to step 4.

4. Ethernet (IP) address check.

^ If you are sure the "Ethernet (IP) address" between the ASIST PC and CONSULT-II has already been set up (established), proceed to step 5.

^ If the Ethernet (IP) address between the ASIST PC and CONSULT-II has not been set up (established), refer to "Attachment B - Nissan ASIST PC & CONSULT-II Ethernet (IP) Address Setting" section of this bulletin.





5. From the ASIST PC main menu screen, select "Consult Utilities" (see Figure 3).





6. From the "CONSULT UTILITIES" screen, select "ECM DATA" (see Figure 4).





7. The "ECM DATA REPROGRAMMING" screen will be displayed (see Figure 5):

A) Select model and model year for the applied vehicle (i.e. Frontier 2002).

NOTE:
If there is an option, select specific Model Configuration (i.e. A/T, M/T, etc.)

B) Make a note of the "To" number listed in the "ECM Reprogramming Data" Summary screen.

NOTE:
The "To" number will read: 23710-XXXXX.

C) Click the "CONTINUE" button on the ECM Data Reprogramming screen to proceed to CONSULT-II setup.

8. Turn on CONSULT-II as follows to access the file transfer mode:





A. While pressing on the CONSULT-II screen with your thumb, quickly press and release the ON/OFF switch (see Figure 6).

NOTE:
A double-beep will sound after the ON/OFF switch is quickly pressed and released.

Release your thumb from the screen after a double-beep sound is heard.





B. Select "Transfer files via LAN" (see Figure 7). Set the CONSULT-II unit down for now.

NOTE:
If you accidentally choose a menu option other than "Transfer Files via LAN" turn CONSULT-II off and restart it according to step 8A above.

9. If the Ethernet (IP) Address (for CONSULT-II) was not changed for this bulletin, select "CONTINUE", then proceed with step 10.

If the Ethernet (IP) Address (for CONSULT-II) was changed for this bulletin, make sure the Ethernet (IP) Address (for CONSULT-II) displayed in the "CHANGE IP ADDRESS" box on ASIST is the same number you printed in "Attachment B - Nissan ASIST PC & CONSULT-II Ethernet (IP) Address Setting." If not, redo "Attachment B", then select "CONTINUE". If it is OK, select "CONTINUE", then proceed with step 10.





10. Data transfer will take about 1 minute and the progress of the transfer is displayed on the ASIST PC screen (see Figure 8). Wait until the data transfer is complete (see CAUTION, below).





CAUTION:
DO NOT DISCONNECT THE ETHERNET CABLE UNTIL "COMPLETE" IS DISPLAYED AS SHOWN IN FIGURE 9. If the cable is disconnected before "Complete" is displayed you MUST restart the download procedure. Otherwise ECM damage can occur.

If the cable is disconnected during the transfer; close ASIST, push "Control/Alt/Delete" and select End task. Then return to step 5.

11. When transfer is complete select the "MAIN MENU" button on ASIST. Turn off CONSULT-II and disconnect the AC power cord and the Ethernet cable from CONSULT-II.

Use CONSULT-II to Install ECM Reprogramming data into the vehicle ECM

CAUTION:
Perform this operation in four steps. DO NOT SKIP any of these steps.

^ Step 1: Check for DTC's in the ECM (Diagnostics card).

^ Step 2: Confirm the vehicle and CONSULT-II battery voltage (Diagnostics card).

^ Step 3: Perform ECM Reprogramming (Reprogramming card).

^ Step 4: Perform ECM Reprogram Confirmation.

Step 1: Check for DTC's in the ECM.

12. Confirm the vehicle's ignition switch is "OFF".

13. Use the DLC-II cable to connect CONSULT-II to the vehicle.





14. Remove the ECU Reprogramming card from slot A of CONSULT-II and install the Diagnostics (red/white) card into slot A (see Figure 10).

CAUTION: Do not use slot B (bottom slot).





15. Turn the ignition switch "ON", but do not start the engine. CONSULT-II will turn ON automatically (see Figure 11).

16. Press "START" and select "ENGINE".

17. Press "SELF-DIAG RESULTS" and confirm that no DTC(s) exist.

^ If no DTC(s) exist, proceed to step 18.

^ If DTC(s) exist, print them, then erase the DTC(s) and proceed to step 18.

NOTE:
Additional repairs may be necessary if the DTC's are not associated with a Reprogramming bulletin. Refer to the appropriate Service Manual.

18. Press "BACK" three times to return to the CONSULT-II main menu.

Step 2: Confirm CONSULT-II Battery Voltage

19. Disconnect CONSULT-II from the vehicle and the AC/DC power cord.

20. Press "SUB MODE", then select "BATTERY CHARGE".





21. After about one minute has passed, check the CONSULT-II's battery voltage reading on the CONSULT-II screen (see Figure 12).

NOTE:
CONSULT-II's battery voltage is called "BATTERY VOLTAGE".

NOTE:
CONSULT-II's battery voltage is called "BATTERY VOLTAGE".

A. if CONSULT-II's battery voltage ("Battery Voltage") is less than 8 volts:

^ Turn CONSULT-II OFF

^ Charge the CONSULT-II battery before proceeding with ECM Reprogramming
OR
^ Connect the AC/DC power supply cord to CONSULT-II during reprogramming procedure

B. If CONSULT-II's battery voltage ("Battery Voltage") is more than 8 volts, proceed with the following step.

CAUTION:
Do not attempt ECU Reprogramming if the CONSULT-II battery voltage is below the specified voltage. Permanent ECU damage can occur if the battery does not maintain the minimum voltage during the ECU Reprogramming.

Step 2a: Confirm Vehicle Battery Voltage

22. Connect CONSULT-II to the vehicle making sure the connector is fully plugged in.

23. Turn the ignition switch "ON", but DO NOT start the vehicle.

24. After about one minute has passed, check the vehicle's battery voltage reading on the CONSULT-II screen (see Figure 13).

NOTE:
The vehicle's battery voltage is called "Charger Input".

A. If the vehicle's battery charge ("Charger Input") is less than 12.0 volts:

^ Press "BACK" (2x) to go back to the main menu

^ Charge the battery properly/replace it before proceeding with ECM Reprogramming

OR

^ Trickle charge the battery during the reprogramming procedure

B. If the vehicle's battery charge ("Charger Input") is more than 12.0 volts, proceed with the following step.

CAUTION:
Do not attempt ECU Reprogramming if the vehicle's battery voltage is below the specified voltage. Permanent ECU damage can occur if the battery does not maintain the minimum voltage during the ECU Reprogramming.

Step 3: ECM Reprogramming

25. Turn the vehicle's ignition switch "OFF" and CONSULT-II off.





26. Remove the Diagnostics (red/white) card from slot A of CONSULT II and install the ECU Reprogramming card (orange) into slot A (see Figure 14).

CAUTION:
Do not use slot B (bottom slot).





27. Make sure the DLC-II cable is firmly plugged into the vehicle harness (see CAUTION below). Turn the ignition switch "ON", but do not start the engine. CONSULT-II will turn on automatically (see Figure 15).

NOTE:
ALL Reprogramming operations are done with the DLC-II cable ONLY.

28. Confirm that all electrical loads (except for the ignition) such as headlights, defroster, A/C, Audio (radio), cellular telephone (if applicable) are "OFF".

CAUTION:
Do not unplug CONSULT-II from the vehicle while Reprogramming ECM. Do not attempt ECM reprogramming with any vehicle electrical loads "ON" except for the ignition. Permanent ECM damage can occur.





29. Roll down the driver's window down part way, exit the vehicle, close the door and hang the CONSULT II unit on the outside of the window (see Figure 16).

CAUTION:
Do not open the vehicle doors, trunk, or hood during the reprogramming.





30. Press "INITIATE ECU REPROGRAM" (see Figure 17), then do the following:

^ Press "ECM"

^ Review the precaution Press "NEXT"





31. Press "CHECK ECM PIN" to confirm (i.e., take note of) the ECM part number on the vehicle to be reprogrammed (see Figure 18).

NOTE:
This is the vehicle's ECM part number BEFORE Reprogramming.

32. Press "COPY" to print the current ECM part number for future reference.

33. Press "BACK" to return to the main menu.





34. Select the correct ECM program to install from the choices on the CONSULT-II screen (see Figure 19).





35. The "REPROGRAM START" window should appear (see Figure 20).

NOTE:
Refer to the ECU Reprogramming Software Operations Manual for instructions on error messages.





36. Press "START". After a moment the window shown in Figure 21 will appear. CONSULT-II will now turn OFF its screen backlight and reprogram the ECM.

NOTE:
This process will take from 10 to 20 minutes.

CAUTION:
Leave the vehicle and the CONSULT-II unit undisturbed until Reprogramming is complete.

When the Reprogramming is complete, CONSULT-II will "beep", turn the screen backlight back ON and automatically print out a report.

CAUTION:
If CONSULT-II prints "REPROGRAMMING UNEXPECTEDLY TERMINATED" the ECM has been permanently damaged and will require replacement. Perform steps A through D below.

A. Turn the ignition key "OFF", turn CONSULT-II "OFF" and DISCONNECT THE NEGATIVE TERMINAL OF THE VEHICLE BATTERY (Do not start the vehicle with the damaged ECM installed).

B. Remove the damaged ECM from the vehicle.

C. Attach the CONSULT-II printout to the repair order for future reference.

D. Replace the damaged ECM and return to step 5 of this bulletin, being careful to follow each step exactly as written.





37. Once ECM Reprogramming is done, CONSULT-II will print out a report (see Figure 22). Attach this to the repair order for future reference.

38. Press "END" to return to the main menu.

^ Enter the vehicle and turn the ignition switch "OFF" and CONSULT-II off.

^ Disconnect CONSULT-II from the vehicle.

39. Wait more than 10 seconds, then turn the ignition switch "ON" for 1 second. Then, turn the ignition switch "OFF" again for 10 seconds.





40. Repeat step 39 for a total of three times (see Figure 23). This will reset ECM "self learned" values.

Step 4: Perform ECM Reprogram Confirmation.

41. Start the engine and confirm it is operating normally.

Process is complete