OBD & Battery Analysis Scanner
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Diagnostic Test Modes
Diagnostic Test Modes as described in the latest OBD II standard SAE J1979.
Note:
Not all Modes are supported by all vehicles.
Mode $01
–
Identifies the Powertrain
information and shows current data
available to the Scan Tool
. This data
includes: DTC set, status of on-board tests,
and vehicle data such as engine RPM,
temperatures, ignition advance, speed, air
flow rates, and closed loop status for fuel
system.
Mode $02
–
Displays Freeze Frame Data
.
Same data as in mode 1, but it was
captured and stored when a malfunction
occurred and a DTC was set. Some of the
PIDs for Mode $01 are not implemented in
this mode.
Mode $03
–
Displays the type of
Powertrain or emission related DTCs
stored by a 5 digit code identifying the
faults.
There may be more than one
response message if there are more
trouble codes than will fit in the data bytes
of the response message, or if there are
more than one ECU computer responding.
Mode $04
–
Used to clear DTCs and
Freeze Frame Data.
This clears all DTCs
that may be set including freeze frame data
and Readiness Monitors.
Mode $05
–
Oxygen Sensor Test Results.
This mode displays the oxygen sensor
monitor screen and the test results
gathered about the oxygen sensor.
Mode $06
–
Non-Continuously Monitored
Systems test results.
There are typically a
minimum value, a maximum value, and a
current value for each non-continuous
monitor. This data is optional, and it is
defined by a given vehicle maker if it's used.
Mode $07
–
Request for DTCs (pending)
from Continuously Monitored Systems
after a single driving cycle has been
performed to determine if repair has fixed
a problem.
This is used by service
technicians to verify repair was performed
properly and after clearing DTCs.
Mode $08
–
This special Control Mode
requests control of the on-board system,
test, or component bi-directionally
(where applicable).
This mode is
manufacturer specific.
Mode $09
–
Reports vehicle information.
This information includes vehicle VIN
number and calibration information stored in
the vehicle ECUs.
Mode $0A
–
Request Emission-Related
Diagnostic Trouble Codes with
Permanent Status.
This mode is required
for all emissions-related DTCs. The
presence of permanent DTCs at an
inspection without the MIL illuminated is an
indication that a proper repair was not
verified by the on-board monitoring system.
Содержание KM301
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