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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
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