DTC Confirmation Test (Using CONSULT-II)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.

NOTE: Before performing the following procedure, ensure that battery voltage is more than 11 volts at idle.

Start engine and warm it to normal operating temperature.
Select HO2S1 (B1) P0134 or HO2S1 (B2) P0154 in DTC WORK SUPPORT mode with CONSULT-II.
Press START on CONSULT-II screen.

NOTE: Never raise engine speed above 3600 RPM after this step. If the engine speed limit is exceeded, return to this step.

Start engine and let it idle for at least 3 minutes.
When the following conditions are met, TESTING will be displayed on CONSULT-II screen. Maintain these conditions continuously until TESTING changes to COMPLETED (it will take 10-60 seconds).
- ENG SPEED: 1400-2600 RPM.
- Vehicle speed: more than 40 MPH (64 km/h).
- B/FUEL SCHDL: 2.0-12.0 milliseconds.
- Selector lever: Suitable position.
If TESTING is not displayed after 5 minutes, retry from step 2 .
Press SELF-DIAG RESULTS. If NG is displayed, go to DIAGNOSTIC PROCEDURE . If OK is displayed, system is okay at this time.