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6)Press ESC to return to the Diagnostic Menu.
5.7 O2 Monitor Test
OBD II regulations set by the SAE require that relevant vehicles monitor
and test the oxygen (O2) sensors to identify problems related to fuel
efficiency and vehicle emissions. These tests are not on-demand tests and
they are done automatically when engine operating conditions are within
specified limits. These test results are saved in the on-board computer's
memory.
The O2 Monitor Test function allows retrieval and viewing of O2 sensor
monitor test results for the most recently performed tests from the
vehicle's on-board computer.
The O2 Monitor Test function is not supported by vehicles which
communicate using a controller area network (CAN). For O2 Monitor Test
results of CAN-equipped vehicles, see chapter “On-Board Mon. Test”.
1)Use the UP/DOWN scroll button to select O2 Monitor Test from Diagnostic
Menu and press ENTER.
…This Drive Cycle…
MIL Status OFF
Misfire Monitor OK
Fuel System Mon N/A
Comp. Component OK
Catalyst Mon INC
Htd. Catalyst N/A
This Drive Cycle
;Diagnostic Menu.
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O2 Monitor Test
On-Board Monitor Test
Component Test
Vehicle Information
Modules Present
Unit of Measure
Diagnostic Menu