DTC Confirmation Procedure (2.5L)

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

NOTE: If DTC confirmation procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

NOTE: For diagnostic procedure, see DIAGNOSTIC PROCEDURE .

With CONSULT-II

For DTC confirmation procedure, see Fig 1.

Fig 1: Identifying DTC Confirmation Procedure For DTC P0420: 3-Way Catalyst Function (With CONSULT-II - 2.5L)

Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: Use this procedure to check the overall function of the three way catalyst (Manifold). During this check, a DTC might not be confirmed.

NOTE: For diagnostic procedure, see DIAGNOSTIC PROCEDURE and for DTC P0133, see DTC P0133: HO2S1 CIRCUIT SLOW RESPONSE - BANK 1 OR DTC P0153: HO2S1 CIRCUIT SLOW RESPONSE - BANK 2 .

With GST

For DTC confirmation procedure, see Fig 2.

Fig 2: Identifying DTC Confirmation Procedure For DTC P0420: 3-Way Catalyst Function (With GST - (2.5L)

Courtesy of NISSAN MOTOR CO., U.S.A.