T
ROUBLESHOOTING
IX. SELF DIAGNOSTIC TESTING PROCEDURE
T
HE
G
LOBAL
C
RUISE
IS EQUIPPED WITH A
S
ELF
D
IAGNOSTIC
L
IGHT
E
MITTING
D
IODE
(LED)
LOCATED UNDERNEATH THE RUBBER GROMMET ON TOP OF
THE
C
RUSE
M
ODULE
.
U
TILIZE THE FOLLOWING
S
ELF
D
IAGNOSTIC
P
ROCEDURE
TO TROUBLESHOOT YOUR CRUISE CONTROL IF IT DOES NOT FUNCTION
PROPERLY ONCE INSTALLED
.
DIAGNOSTIC LED
T
HE TWELVE
(12)
PROGRAMMING
SWITCHES AND DIAGNOSTIC
LED
ARE LOCATED UNDER THE
B
LACK
R
UBBER
G
ROMMET ON TOP
OF THE
C
RUISE
M
ODULE
.
C
AREFULLY FOLLOW THE PROCEDURES BELOW TO ENTER YOUR CRUISE CONTROL INTO
S
ELF
D
IAGNOSTIC
M
ODE
.
S
TEP
1:
T
URN THE CRUISE CONTROL SWITCH
OFF.
S
TEP
2:
T
URN THE IGNITION TO THE
OFF
POSITION
.
S
TEP
3 C
LOSED
C
IRCUIT
C
ONTROL
S
WITCH
(S
EE
P
AGE
22
):
P
RESS AND HOLD THE
RESUME/ACCEL
BUTTON WHILE YOU TURN THE IGNITION
SWITCH TO THE
ON
POSITION
WITHOUT STARTING THE ENGINE
.
N
OW RELEASE THE THE
RESUME/ACCEL
SLIDE SWITCH
.
O
PEN
C
IRCUIT
C
ONTROL
S
WITCH
(S
EE
P
AGE
22
):
T
URN THE IGNITION SWITCH TO THE
ON
POSITION
WITHOUT STARTING THE ENGINE
,
HOLD THE
RESUME/ACCEL
BUTTON DOWN WHILE YOU TURN THE CRUISE CONTROL SWITCH TO THE
ON
POSITION
.
S
TEP
4:
T
HE
D
IAGNOSTIC
LED
SHOULD BE
OFF
AT THIS TIME
. Y
OU ARE NOW IN
S
ELF
D
IAGNOSTIC
M
ODE
.
C
ONTINUE TO FOLLOW THE PROCEDURES BELOW TO TEST YOUR CRUISE CONTROL SWITCH
,
BRAKE SWITCH CONNECTIONS AND
VSS
SIGNAL
.
S
TEP
5:
P
RESS AND
R
ELEASE THE
SET/COAST
BUTTON
. T
HE
LED
SHOULD LIGHT EACH TIME THE BUTTON IS PRESSED AND GO OUT WHEN IT IS
RELEASED
. I
F SO
,
CONTINUE TO
S
TEP
6;
IF NOT
,
GO TO
S
TEP
5
A
.
A
.
C
HECKSTEPS TO ENTERING
D
IAGNOSTIC
M
ODE
AND TEST AGAIN
.
B
. C
HECK
P
ROGRAMMING
S
WITCH
# 12.
I
T SHOULD BE
ON
FOR A
N
ORMALLY
C
LOSED
C
IRCUIT
C
ONTROL
S
WITCH
AND
OFF
FOR A
N
ORMALLY
O
PEN
C
IRCUIT
C
ONTROL
S
WITCH
.
(S
EE
P
AGE
22
):
I
F SET INCORRECTLY
,
RESET AND REENTER
D
IAGNOSTIC
M
ODE
.
C
.
C
HECKPOWER TO THE
C
RUISE
M
ODULE
IF NONE OF THE DIAGNOSTIC COMMANDS ARE FUNCTIONING
.
D
.
C
HECK
C
RUISE
C
ONTROL
S
WITCH
(S
EE
P
AGE
22
).
S
TEP
6:
P
RESS AND RELEASE THE
RESUME/ACCEL
BUTTON
. T
HE
LED
SHOULD LIGHT EACH TIME THE BUTTON IS PRESSED AND GO OUT WHEN IT
IS RELEASED
. I
F SO
,
CONTINUE TO
S
TEP
7
;
IF NOT
,
GO TO
S
TEP
6
A
.
A
.
C
HECKSTEPS TO ENTERING
D
IAGNOSTIC
M
ODE
AND TEST AGAIN
.
B
.
C
HECKPOWER TO THE
C
RUISE
M
ODULE
IF NONE OF THE DIAGNOSTIC COMMANDS ARE FUNCTIONING
.
C
.
C
HECK
C
RUISE
C
ONTROL
S
WITCH
(S
EE
P
AGE
22
).
S
TEP
7:
Y
OU WILL NEED A SECOND PERSON TO HELP YOU PERFORM THIS TEST
. P
RESS AND RELEASE THE
B
RAKE
P
EDAL
.
T
HE
LED
SHOULD LIGHT
EACH TIME THE BRAKE IS PRESSED AND GO OUT WHEN IT IS RELEASED
. I
F SO
,
CONTINUE TO
S
TEP
8;
IF NOT
,
GO TO
S
TEP
7
A
.
A
.
C
HECKSTEPS TO ENTERING
D
IAGNOSTIC
M
ODE
AND TEST AGAIN
.
B
.
C
HECKPOWER TO THE
R
ED
B
RAKE
P
OSITIVE
WIRE
.
C
.
C
HECKPOWER TO THE
C
RUISE
M
ODULE
IF NONE OF THE DIAGNOSTIC COMMANDS ARE FUNCTIONING
.
D
.
C
HECK
B
RAKE
S
WITCH
C
ONNECTOR AND WIRING TO BRAKE SWITCH
.
S
TEP
8:
A
.
V
EHICLE
S OWN COMPUTER AS
VSS
SOURCE
: R
OLL THE VEHICLE AT LEAST
TWO
(
2)
METERS FORWARD OR BACKWARD
,
THE
LED
SHOULD
FLASH AND CONTINUE TO FLASH AT THE SAME RATE
. I
F SO
,
CONTINUE TO
S
TEP
9;
IF NOT
,
GO TO
S
TEP
8
AI
.
I
.
C
HECKSTEPS TO ENTERING
D
IAGNOSTIC
M
ODE
AND TEST AGAIN
.
II
.
C
HECK
P
ROGRAMMING
S
WITCH
# 10.
I
T SHOULD BE
ON
FOR
S
QUARE
W
AVE
I
NPUT
.
I
F SET INCORRECTLY
,
RESET AND REENTER
D
IAGNOSTIC
M
ODE
.
III
.
S
OME VEHICLES NEED TO BE PUSHED MORE THAN
TWO
(2)
METERS
. I
N THAT CASE
,
RAISE
ONE
(1)
OF THE VEHICLE DRIVE WHEELS
(
BOTH DRIVE WHEELS ON A LIMITED SLIP DIFFERENTIAL
)
AND BLOCKTHE NON DRIVE WHEELS
. U
SE A SUPPORT STAND FOR SAFETY
.
S
PIN THE DRIVE WHEEL BY HAND AS FAST AS POSSIBLE
. T
HE
LED
SHOULD FLASH AND CONTINUE TO FLASH AT THE SAME RATE
. I
F
SO
,
CONTINUE TO
S
TEP
9;
IF NOT
,
GO TO
S
TEP
8
AIV
.
IV
.
E
ITHER YOUR
VSS
WIRE IS INCORRECT OR YOUR CONNECTION IS BAD
. I
NPECT YOUR
VSS
CONNECTION AND REENTER
S
ELF
D
IAGNOSTIC
M
ODE
.
P
AGE
20
FIGURE 35
