Banks Power Interface- Banks iQ 1996 & Later Vehicles with OBDII Diagnostics - Manual (Page 23)

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Vehicle Diagnostics
Diagnostic Trouble Codes (DTC) are error
codes that are generated when there is a
problem with your vehicle. If your vehicle
dashboard displays a check engine
light, DTC(s) will be available to assist in
diagnosing the problem. You can use the
Banks iQ to run a vehicle system check
and display these DTC(s). A code will
be given along with a brief description
of the problem, a full description of the
code will display below the code list
when the code is highlighted. You may
call your vehicle dealer or reference your
vehicle service manual for description
and possible corrective action to fix the
problem. Once the problem has been
repaired you can clear the code to turn
the check engine light off.
NOTE: Keep a written record of the DTC
code(s) that display on your Banks iQ for
future reference before clearing them.
Check for OBD II DTC(s)
If any vehicle DTC(s) are present,
troubleshoot/repair the cause. Once the
cause is properly remedied, touch ‘Clear
Codes’ and then ‘Check for Codes’ again
to verify the problem is fixed (the OBD
II code should not re-appear). You may
need to complete a driving cycle for the
code to not re-appear.
1.
In the Mode Select menu press on
the ‘Diagnostics’ button.
3.
With the ignition in the on/run
position or with the engine running,
press on the ‘Check for Codes’ button.
See Figure 19.
NOTE: On certain vehicles, the ignition
key must be in the On/Run position, but
the engine must NOT be running. If the
engine is running, Banks iQ will display
a pop-up message instructing you to
confirm that the ignition key is in the ON
position.
Section 8
DIAGnOSTICS MODE
Figure 19 Vehicle Diagnostics Screen