Altima 2.5 SL L4-2.5L (QR25DE) (2002)
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.
Procedure B - Conduct P0420 Three Way Catalyst Function DTC Confirmation
Procedure B - Conduct P0420 Three Way Catalyst Function DTC Confirmation: