WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
N–4 Copyright © 1998 General Motors Corp.
APPENDIX N — PRO-LINK
®
9000 DIAGNOSTIC DATA READER
INFORMATION
E. Checking Other Troubleshooting Parameters
1. Press the
FUNC
(function) key until the screen display shows
WORLD TRANSMISSION
FUNCTION MENU.
2. Use the
UP
and
DOWN
arrow keys as needed until
DIAGNOSTIC DATA
appears in the display
screen under
WORLD TRANSMISSION FUNCTION MENU
.
3. Press
ENTER
. This selects the
DIAGNOSTIC DATA LIST.
Scroll through the list using the
UP
and
DOWN
arrow keys until one of the following selections is reached. Press enter to access the
data desired:
F. Performing a Clutch Test (covered in Appendix B)
1. Press the
FUNC
(function) key until the screen display shows
WORLD TRANSMISSION
FUNCTION MENU.
2. Use the
UP
and
DOWN
arrow keys as needed until
ACTION REQUESTS
appears in the display
screen under
WORLD TRANSMISSION FUNCTION MENU
. Use the
UP
and
DOWN
arrow
keys to scroll through the selections until
CLUTCH TEST
is shown on the display screen.
3. Press
ENTER
. The display screen shows:
CLUTCH TEST [ENABLE] DISABLE [ENTER]
to
continue Use the right arrow key to select
DISABLE
; this is the abort selection or the choice to
make after the test is complete.
4. Press
ENTER
to select
ENABLE
. The display will show:
ENABLING CLUTCH TEST
PLEASE WAIT
. Once the test is enabled, the following display screen appears:
CLUTCH TEST
ENABLED TEST MAY DISABLE AUTOMATICALLY [ENTER
] to continue.
IGN VOLTS Displays battery voltage and indicates whether ignition is turned on
BATTERY VOLTS Displays voltage inside the ECU; used frequently in diagnostic
code checking
TPS CNTS Displays throttle position as counts; used to check throttle position
sensor
INPUT SPD RPM Displays engine speed; used during various functional checks
TURBIN SPD RPM Displays transmission turbine speed; used during various
functional checks
OUTPUT SPD RPM Displays transmission output speed; used during various functional
checks
C3 PRESSURE SW Indicates when C3 clutch is applied
DO NOT SHIFT Indicates status of the DO NOT SHIFT output from the ECU
RTDR REQ CNTS Displays counts form a retarder modulation device; used to check
retarder devices
RTDR Displays temperature of fluid in the retarder cavity, not in the sump
WIRE XXX IN # OFF Indicates what INPUT FUNCTION wire is being used, what the
input function number is, if the input function is used (ON or OFF),
and a second line gives an English description of the input function
if it is used
WIRE XXX OUT # OFF Same as above, only for OUTPUT FUNCTION
CLTCH TST ENABL Shows state, either ON or OFF; must be on to conduct clutch test
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