Service Procedure

Step A: Confirm This Bulletin Applies.

1. With CONSULT-II "ON", print the Transmission/Transmission Control Module Part Number as follows:

[START(Nissan)] >> [A/T] >> [ECU PART NUMBER] >> [COPY]





^ Figure 1 is an example of the Part Number (P/N) printout.

^ This is the Transmission/Transmission Control Module (TCM) Part Number.

NOTE:
^ ##### is exactly what you will see on your CONSULT-II printout. It represents the first 5 digits of the P/N. For M vehicles, this number is 31020 for 2WD and 31000 for AWD.

^ XXXXX is the last 5 digits of the part number. This number may be different, depending on your vehicle's "configuration" (engine/transmission combination, etc).

2. Attach this printout to the Repair Order.

^ You will use the TCM P/N to see if this bulletin applies.

3. Check the TCM P/N on the printout from step 1 (Figure 1):





^ Compare your vehicle's TCM P/N to those shown under Current TCM P/N in chart A above.

A. If your vehicle's TCM P/N matches a Current TCM P/N in the chart above:

^ This bulletin applies, perform TCM reprogramming.

B. If your vehicle's TCM P/N does not match a P/N in the chart above:

^ This bulletin does not apply. Go back to ASIST for further diagnostic and repair information.

Step B: REPROGRAM THE TCM

Vehicle TCM Reprogramming Overview

^ There are four basic steps:

1. Download (transfer) reprogramming data from ASIST into CONSULT-II.

2. "Preparation" steps before reprogramming TCM.

3. Reprogram the TCM.

4. "Wrap-up" after reprogramming is finished.

Step One: Download (Transfer) Reprogramming Data From ASIST Into CONSULT-II

For those familiar with TCM Reprogramming, please review the following steps and use them as a Quick Reference for TCM reprogramming.





1. Select vehicle model and model year (Example: M, 2006).

2. Select the correct reprogramming data:

a. Locate the specific "Model Configuration" (Example: 2WD).

NOTE:
Model Configuration may include items such as engine type, transmission type, and vehicle options such as TCS, ABS etc.

b. Select (click on) the "To" number.

NOTE:
The "To" number will read: 31020/31000-XXXXX.

3. Click on the "Add" button.

^ This will add the data you selected to the "File(s) Selected" list.

4. Write the "To" number on the Repair Order.

5. Click on "Continue" and follow directions to perform "data transfer" (download) from ASIST into CONSULT-II.

Step Two: Preparation Steps Before Reprogramming TCM

1. Connect a battery charger to the vehicle's battery.

^ Set the charger to a low charge rate (trickle charge).





CAUTION:
For number 2 and number 3 below, DO NOT connect the CONSULT-II A/C Power Supply.





2. Press [SUB MODE] (see Figure C) then:

a. From the listed items, find and select [BATTERY CHARGE].





3. Check the CONSULT-II's "Charger Input" reading (see Figure D).

NOTE:
^ "Battery Voltage" is the voltage level of CONSULT-II's battery.

^ "Charger Input" is the voltage level of the vehicle's battery. (It must be above 12 volts.)

CAUTION:
If the "Charger Input" is below 12 volts:

^ A list of items to check when "Charger Input" voltage is below 12V is contained in the "TCM Reprogramming For Infiniti Vehicles" general procedure.

Step Three: Reprogram the TCM

Step Four: TCM Reprogramming "Wrap-up"

1. Turn the ignition and CONSULT-II OFF.

2. Disconnect CONSULT-II from the vehicle.

3. Start the Engine and make sure the MIL is OFF.

^ If the MIL is ON, use CONSULT-II with the Diagnostic (red/white) Card to erase any DTC's that may have stored in the TCM and/or the ECM during the reprogramming procedure.

4. Test-drive the vehicle and make sure the transmission operates correctly in all modes.

^ See the AT section of the appropriate Service Manual for operation specification.