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Item 62120
I/M Monitors
Inspection and Maintenance diagnostic tests that the Control Modules
perform on specific sub-systems of the vehicle.
There are two types of Monitors:
•
Continuous:
Monitors that
perform tests all the time while
the engine is running.
•
Non-Continuous:
Monitors that require
specific operating conditions to be met
during a Drive Cycle in order for the
Monitors to run their testing sequences.
Note:
Not all Monitors are
supported by all vehicles.
Gasoline Engine Monitors
Continuous
MIS
- Misfire
FUEL
- Fuel System
CCM
- Comprehensive Components
Non-Continuous
CAT
- Catalyst
HCAT
- Heated Catalyst
EVAP
- Evaporative System
AIR
- Secondary Air System
O2S
- Oxygen Sensors
HTR
- Oxygen Sensor Heater
EGR
- EGR System
Diesel Engine Monitors
Continuous
MIS
- Misfire
FUEL
- Fuel System
CCM
- Comprehensive Components
Non-Continuous
HCCAT
- NMHC Catalyst
NCAT
- NOx Aftertreatment
BP
- Boost Pressure System
EGS
- Exhaust Gas Sensor
PM
- PM Filter
EGR
- EGR System