Procedure A - Perform CONSULT-II Engine Self-Diagnosis

Procedure A - Perform CONSULT-II Engine Self-Diagnosis:

Procedure A should be performed by an OBDII Certified technician.





1. Install the Diagnostics Card (red/white) into slot A of CONSULT-II (see Figure A1).

2. Confirm the CONSULT-II date and time are correctly set as follows:

A. With the Diagnostics Card (red/white) in slot 1, turn ON CONSULT-II.





B. Touch "SUB MODE" (see Figure A2).

C. Touch "SET DATE".

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

D. Touch "SET TIME".

^ If the 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 3.

If time is OK, press "BACK" and go to step 3 (next page).





3. Connect CONSULT-II to the vehicle and turn the ignition switch to the "ON" position.

4. With CONSULT-II ON, from the Main Menu screen proceed as follows:

[START Nissan]>>[ENGINE]>>[Self-DIAG Results]

A. If your screen looks like Figure A3 (No DTC Detected):

^ Print the Self-Diagnosis Results screen and attach it to the Repair Order

^ Press ERASE, then press YES

^ Perform Procedure B - Conduct P0420 Three Way Catalyst DTC Confirmation. Then, refer to the Repair Flow Chart for further instructions.

B. If your screen looks like Figure A4 (DTC is Detected):

^ Print the Self-Diagnosis Results screen and attach it to the Repair Order*

^ Press ERASE, then press YES

^ Perform Procedure C - Perform QR25 ECM Reprogramming. Then, refer to the Repair Flow Chart for further instructions.