Ec57 INFINITI QX4 2001 Factory Service Manual

EXPLANATION FOR DRIVING PATTERNS EXCEPTFOR ªMISFIRE <EXHAUST QUALITY
DETERIORATION>º, ªFUEL INJECTION SYSTEMº
NBEC0033S06<Driving Pattern A>NBEC0033S0601
AEC574
IThe A counter will be cleared when the malfunction is detected regardless of (1) - (4).
IThe A counter will be counted up when (1) - (4) are satisfied without the same malfunction.
IThe DTC will not be displayed after the A counter reaches 40.
<Driving Pattern B>NBEC0033S0602Driving pattern B means the vehicle operation as follows:
All components and systems should be monitored at least once by the OBD system.
IThe B counter will be cleared when the malfunction is detected once regardless of the driving pattern.
IThe B counter will be counted up when driving pattern B is satisfied without any malfunctions.
IThe MIL will go off when the B counter reaches 3 (*2 in ªOBD SYSTEM OPERATION CHARTº).
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
OBD System Operation Chart (Cont'd)
EC-80