Using the Code Reader
VIEWING OEM ENHANCED DTCs
28
ZR11
- Press the
SYSTEM MENU
button to return to the System
Menu.
- Turn the ignition off, and disconnect the Code Reader.
- Contact Technical Support for assistance.
If the
KOER
Test was selected, and
the vehicle’s engine
is not
running,
an advisory message shows on the
Code Reader’s display.
- Press the
SYSTEM MENU
button to return to the System
Menu.
If the
KOEO
Test was selected, and
the vehicle’s engine
is running
, an
advisory message shows on the
Code Reader’s display.
- Press the
SYSTEM MENU
button to return to the System
Menu.
4.
If the
KOER
test was selected, an
“instructional” message shows on the
Code Reader’s display.
Turn the steering wheel to the right,
then release.
Press and release the brake pedal.
Cycle the overdrive switch (if
equipped).
A “One moment please” message displays while the test is in
progress.
5.
To read the display:
Refer to DISPLAY FUNCTIONS on page 6 for a description of
LCD display elements.
A visible
icon indicates that the Code Reader is being
powered through the vehicle’s DLC connector.
The upper left corner of the display
shows the Diagnostic Trouble Code
(DTC), the number of the code
currently being displayed and the
total number of codes retrieved, and
the type of code.
The related code definition is shown
in the lower section of the LCD
display.
