SELF DIAGNOSTICS PROCEDURES
, :~:~:~,';
otering'Diagnostics Mode:
I. Turn the Cnlile Control Switch to the OFF position
2. Turn the ignition switch to the OFF position
3. Press aDd hold the USUME/ACCEL slide switch wbile you turn the ignition switch to the ON position without
.-.rtIIIg tie -g;,.~ Now release the USUMVACCEL slide ~tch. (If you are using a 250-3592, 250-3593,
250-3742 or 250-3743 Cnlile Control S~ bIrD tbc ignition switch to the ON position wit1loll' starting the
-g;,.e, hold the USUMFJACCEL button... wbileyCMl turn the Cnlile Control Switch to the ON position.)
4. The Diagnostics LED should be off at this ~
!ltiag the Cnlile Control Switch, Brake Swid Wlri8c. ud Vehkie Speed SeDsor (VSS) Signal:
-If NOT- Pre8881Mi reIc8Ie SET/COAST button.
~ = t,.. =t=~: :i;.=;... =::;A I LED ~ IiIbt e8:h tiDIe 00tt00 is
~:r ; to entering ~cs mode I prc8Ied IIMI u when it is released. -IF NOT-
d tryasain jp ~ --I Check ~s ; en~ di;ostic mode and I
I ;~in-l'~ ~ ~'6 ~"6'.u~ .~ I
Check power to Actu~tor Assembly if none
of dIe diagnostic commands are fw1ctioning
I Check Cruise Control Switch I
teck Swit£h .7:
OFF: N~ly OPEN switch
ON: NOmIaIly CLOSED switch
I I -
Press and Jel~ the
RESUMFJACCEL swit(:h. LED should
ligbt each time the switch is pressed
and to out when itis Jeleased.
Bet iJIaXTectly. = andre-.enter I
~~. I
I
~ power to Actuator Assembly. if
me of the diagnostic commands are
nctionin~
IPYIS
IF NOT-
I Check steps to enterin~ diagnostic mode and I
I ~~ht-1'- e -.-e-.~:..~ ...:~ ~.~ I
I Check power to Red = I
Check power to Actuator Assembly, if none
of the diagnostic conunands are functioning
I Check Brake Switch ;d wiring to Brake I
I s~h~ u~.~.. ~ '6 .., ~ I
beck Cruise Control Switch
,
'., .
i -IF' NOT-
~ ~ to en~ diagnostic ~ I
;d;y "~ ~ ~ aue ..."6' ~ I
IXDe vehicles need ; be pusbed D1<X'e than I
; (j)f;-; ~ --1'-- ..~~ w-.I
~ fo Ibc V~cle S.-I- ;.1
he ccxmectioo JX»int fM dac Vehicle Speed
«*X'illM)t~
,;"
D'YIS
-f
Test VEIDCLE SPEFD SENSOR
(VSS):
I A seccxtd perD1 is ~ to check
visual status of the LED. Push car at
least tiu'ec (3) feet f<XWlJd oc
b8CkW8I'd. LEDsbould Oesb at least
once.
OR
T..AUXDJARY SPEED ~~Jt
lSignal Generat«):
A SCCOIMI perD1 is ~ to ch~k
visual status of die LED. One drive
wheel needs to be jKked-up, take care
10 ~ a suwcxt sta f« ~. Spin
wheel by ham.. fast u )'OU can. LED
I should flash.
IF NOT-
I Check ,steps to enterin~ diagnostic mode and I
I ;;;~~in~l'~ .v W&.~& ~&e -.'"e'&V~~W U&~ -.-I
I Check Programming Switch N 10, it should be I
I OFf I
I If switch is ON reset to OFF and re-enter I
I diagnostic mode I
You must spin the wheel at least 3 MPH or
faster in order to test an auxiliary signal
generator
Form #4313, Page 19