O2 Monitor Tests - Bosch HDS 200 User Manual

Global Automotive OBDII
I/M Monitors
Read Codes
Erase Codes
MIL Status
State OBD Check
View Data
Record Data
View Freeze Data
Drive Cycle Monitor
• Two types of drive cycle monitors are:
– Since DTCs Cleared shows status of the
monitors since the Diagnostic Trouble
Codes were last erased.
– This Drive Cycle shows status of monitors
since start of current drive cycle. Refer to
the vehicle service manual for more detailed
information on emission-related monitors
and their status.
– Some vehicles do not support This Drive
Cycle. If vehicle supports both types of
drive cycle monitors the Drive Cycle Moni-
tor menu will display.
Drive Cycle Monitor
Since DTCs Cleared
This Drive Cycle
2. View summary of monitor status.
• Use the UP and
3. Depending on the drive cycle monitors, either the
This Drive Cycle or the Since DTCs Cleared screen
will display.
This Drive Cycle
Catalyst Mon
Oxygen Sens Mon
Oxygen Sens Htr
EGR/VVT Sys Mon
Bosch Automotive Service Solutions Inc.
HDS 200 HD Scan Tool for Class 4-8 Diesel, Light and Medium Vehicles | User guide | 35 | en
DOWN keys (if required).
inc
inc
inc
inc
OR
Since DTCs Cleared
Misfire Monitor
Fuel System Mon
Comp Component
Catalyst Mon
Htd Catalyst
Evap System Mon
Sec Air System
A/C Refrig Mon
Oxygen Sens Mon
• The scan tool display is continuously updated.
Monitors that are "ok" will disappear and only
the "inc" monitors will remain displayed. Moni-
tors designated "n/a" are not displayed.
• When all Monitors are "OK", a screen stating "All
supported monitors are OK" will display.
This Drive Cycle
All supported monitors are OK
Press ENTER to continue
Since DTCs Cleared
All supported monitors are OK
Press ENTER to continue
4. Return to Special Tests Menu.
• Press .
6.10

O2 Monitor Tests

OBD II regulations require applicable vehicles monitor
and test oxygen (O2) sensors to determine problems
related to fuel and emissions. The O2 Monitor Tests
allows retrieval of completed O2 sensors monitor test
results.
• The O2 Monitor Tests is not an on-demand test. O2
sensors are not tested when selected via the menu.
O2 sensors are tested when engine operating condi-
tions are within specified limits.
• If the vehicle communicates using a controller area
network (CAN), O2 Monitor Tests are not supported
by vehicle. A message is displayed. Refer to "6.11
Diagnostic Monitor Tests" on page 36 for O2
monitor data.
ok
ok
ok
ok
n/a
inc
n/a
n/a
ok
OR
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