Explanation For Driving Patterns Except For Misfire < Exhaust Quality Deterioration >, Fuel Injection System

< Driving Pattern A > 

Fig 1: Fuel Injection System Driving Pattern A

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

• The A counter will be cleared when the malfunction is detected regardless of (1) - (4).
• The A counter will be counted up when (1) - (4) are satisfied without the same malfunction.
• The DTC will not be displayed after the A counter reaches 40.

< Driving Pattern B > 

Driving pattern B means the vehicle operation as follows:

All components and systems should be monitored at least once by the OBD system.

• The B counter will be cleared when the malfunction is detected once regardless of the driving pattern.
• The B counter will be counted up when driving pattern B is satisfied without any malfunctions.
• The MIL will go off when the B counter reaches 3 (*2 in OBD SYSTEM OPERATION CHART).