OBD-II/EOBD OBD Direct
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($04) Clear Emissions Related Data
Home Screen: OBD-II/EOBD >OBD Direct > OBD Diagnose >
Start Communication > ($04) Clear Emissions Related Data
This service clears all emission related diagnostic data, such as DTCs, freeze
frame data, and test results, from ECM memory.
Clear Codes erases all stored data, including any enhanced codes and
freeze frame information.
($05) Oxygen Sensor Monitoring
Home Screen: OBD-II/EOBD > OBD Direct > OBD Diagnose >
Start Communication > ($05) Oxygen Sensor Monitoring
This service provides access to the tests available for checking the integrity of the
oxygen (O2) sensors. Making a selection displays all related O2 sensor parameters
for the specific test. The test identification (ID) displays at the top of the data list.
($06) On-Board Monitored Systems
Home Screen: OBD-II/EOBD > OBD Direct > OBD Diagnose >
Start Communication > ($06, 07) Display Test Param./Results >
($06) On-Board Monitored Systems
This service provides access to monitored systems data. The available data is for
specific systems and components that the on-board diagnostic system monitors
continuously (e.g. misfires), or non-continuously (e.g. catalyst system).
($07) DTCs Detected During Last Drive
Home Screen: OBD-II/EOBD > OBD Direct > OBD Diagnose >
Start Communication > ($06, 07) Display Test Param./Results >
($07) DTCs Detected During Last Drive
This service displays a list of “pending” or maturing DTCs. These are codes whose
setting conditions were met during the last drive cycle, but need to be met on two or
more consecutive drive cycles before the DTC actually sets.
Check pending codes to verify test results after a single drive cycle following a
repair and code clear.
• If a test failed during the drive cycle, the DTC associated with that test is
reported. If the pending fault does not occur again within 40 to 80 warm-up
cycles, the fault is automatically cleared from memory.
• Test results reported by this service do not necessarily indicate a faulty
component or system. If test results indicate another failure after additional
driving, then a DTC is set to indicate a faulty component or system, and the MIL
is illuminated.
($08) Request Control of On-board System
Home Screen: OBD-II/EOBD > OBD Direct > OBD Diagnose >
Start Communication > ($08) Request Control of On-board System
This service allows the diagnostic tool to control the operation of an on-board
system, test, or component.
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