OBD II/EURO STAGE III OBD MONITOR INFORMATION
Comprehensive Major Monitors Major Monitors
Components Non Fuel Control Fuel Control
Monitor & Non Misfire & Misfire
Run constantly Run Once Per Trip Run Constantly
Includes All Engine Hardware Monitors Entire Emission Monitors Entire System
- Sensors, Switches, System
Solenoids, etc.
One Trip Faults - Turns On Two Trip Faults - Turns On Two Trip Faults - Turns On
The MIL and Sets DTC After The MIL and Sets DTC After The MIL and Sets DTC After
One Failure Two Consecutive Failures Two Consecutive Failures
Priority 3 Priority 1 or 3 Priority 2 or 4
All Checked For Continuity Done Stop Testing = Yes
Fuel Control Monitor
Open Monitors Fuel Control
Short To Ground Oxygen Sensor Heater System For:
Short To Voltage Oxygen Sensor Response
Fuel System Lean
Fuel System Rich
Inputs Checked For
Requires 3 Consecutive
Rationality
Catalytic Converter
Fuel System Good Trips
To
Efficiency Except EWMA
Extinguish The MIL
Outputs Checked For - up to 6 tests per trip
Functionality and a one trip fault
Misfire Monitor
Evaporative Emission Monitors For Engine Misfire
System at:
1000 RPM Counter
(Type B)
**200 RPM Counter
(Type A)
Requires 3 Consecutive Requires 3 Consecutive Requires 3 Consecutive
Global/Alternate Good Trips Global Good Trips Misfire Good Trips
to Extinguish the MIL* to Extinguish the MIL* To Extinguish the MIL
*40 Warm Up Cycles are required to erase **Type A misfire is a two
DTC’s
after
the MIL has been extinguished. trip failure. The MIL will
illuminate and blink at
the first failure.
3
GENERAL INFORMATION
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