Manual

Onboard Diagnostics
OBD2 MONITORS
OBD2 31
Name of
Monitor A B C D E F
Comprehensive
Component Monitor
Continuous 1 2 1 3 40
Misfire Monitor
(Type 1 and 3)
Continuous 1 2 1
3 - similar
conditions
80
Misfire Monitor
(Type 2)
Continuous 1
3 - similar
conditions
80
Fuel System Monitor
Continuous 1 1 or 2 1
3 - similar
conditions
80
Catalytic Converter
Monitor
Once per
trip
1 2 1 3 trips 40
Oxygen Sensor
Monitor
Once per
trip
1 2 1 3 trips 40
Oxygen Sensor
Heater Monitor
Once per
trip
1 2 1 3 trips 40
Exhaust Gas
Recirculation (EGR)
Monitor
Once per
trip
1 2 1 3 trips 40
Evaporative
Emissions Controls
Monitor
Once per
trip
1 2 1 3 trips 40
Secondary Air
System (AIR) Monitor
Once per
trip
1 2 1 3 trips 40
NMHC Monitor Once per
trip
1 2 1 3 trips 40
Nox Adsorber Monitor Once per
trip
1 2 1 3 trips 40
Boost Pressure
System Monitor
Once per
trip
1 2 1 3 trips 40
Exhaust Gas Sensor
Monitor
Once per
trip
1 2 1 3 trips 40
PM Filter Monitor Once per
trip
1 2 1 3 trips 40