Operation | OBD 100 | 11
en
569624 Rev "A"
2013-12-19
|
Robert Bosch GmbH
5.6
MIL status (malfunction indica-
tor light)
The status of the malfunction indicator light
(MIL status) provides an indication of the
status reported ("On" or "Off") by the electronic
control unit with the engine running. This
information can be used to check correct
operation of the malfunction indicator light.
1.
Switch on the ignition (position 2).
2.
Connect the OBD 100 to the vehicle.
Data are read.
3.
Start the engine.
4.
In the main menu select "3) MIL-Status" with
READ
or
ERASE
.
"
The status
ON
or
OFF
is displayed.
i
If the malfunction indicator does not light
with the engine running in
MIL ON
status,
there is a problem in the malfunction
indicator circuit in the vehicle.
5.7
I/M monitors
The I/M monitor function is used for inspection
and maintenance monitoring of the emission-
related functions.
The OBD 100 supports the following monitoring
functions (Readiness codes):
Function
Description
Misfire Monitor
Misfire Monitor
Fuel System
Fuel System Monitor
Comprehen Comp
Comprehensive Components
Monitor
Catalyst
Catalyst Monitor
Htd Catalyst
Heated Catalyst Monitor
Evaporative Sys
Evaporative System Monitor
Second Air Sys
Secondary Air System Monitor
A/C Sys Refrig
Air Conditioning Refrigerant
Monitor
Oxygen Sensor
Oxygen Sensor Monitor
Htd 02 Sensor
Oxygen Sensor Heater Monitor
EGR/VVT
Exhaust Gas Recirculation or
variable valve timing monitor
NMHC Catalyst
Non-Methane Hydrocarbon
Catalyst
NOX Treatment
Nitrogen Oxide Treatment
Boost Pressure
Boost Pressure
Exhaust Gas Sen
Exhaust Gas Sensor
PM Filter
Particulate Matter Filter
Tab. 9: I/M monitors
i
This is a complete list of the inspection and
maintenance monitors supported by the
OBD 100. The number of monitors depends
on the vehicle. Vehicles with diesel engine
have no oxygen sensor monitors for example.
1.
Switch on the ignition (position 2).
2.
Connect the OBD 100 to the vehicle
Data are read in.
3.
In the main menu select "4) I/M Monitor"
with
READ
or
ERASE
and confirm with
E
.
"
Inspection and maintenance monitors for
emission-related functions are displayed.
Fig. 5:
I/M monitor display - description from top left
to bottom right
1 I/M monitor (see table 9)
2 Note on scrolling (see table 7)
3 Report on test performed (see table 10)
Report
Function
Ready
Test has completed
Not ready
Test has not completed
N. A.
Test not possible for this vehicle
Tab. 10: I/M monitor - reports and function
i
Display emission-related tests performed with
READ or
ERASE.
i
Taking Germany as an example:
To pass an OBD exhaust emission test, all
monitors must be listed as "Ready" or "N. A.".