If all 01 die previous functions are correct, check the T ACB Signal
I. Turn the Cnaile Coatrol Switch to the OFF position
2. Turn the ignition switch to the OFF position
3. Press and hold the RESUME/ACCEL slide switch while you turn the ignition switch to the ON position and start
lie .,.g;,.e. Now release the RESUME/ACCEL slide switch. (If you are using a 250-3592 or 250-3593 dash mount
Cnile Coatrol Switch, turn the ignition switch to the ON position and stl111 the engine, hold the RESUME/ACCE
.button 00wn while you turn the Cruise Control Switch to the ON position.)
4. The Diagnostics LED should be flashing. Rev the engine, the LED should flash faster at higher RPM's. If not:
.Check steps to entering diagnostic mode and tJy again
.Connection to T ACH Signal source is bad ~ 0-
.T ACH Signal connection point is not correct
CONTROL SWITCH TESTS
,. .* tat:
I. Unplug the S-pin connector from the Actuator Assembly.
2. Ground the test light lead and verify that the test light works by proving with a known po~er source.
TES:It'HART A (FOR ~LOSED CIRCUIT ~QNTROL sWITcm
IGNITION
SWRCB
; POSmoNS
-
j orr
I
, orr
CONTROL
SWITCH
POSITIONS
RED
YELLOW
BROWN
OFF
-
ON
OFF
~
ON
DARK
GREEN
OFF
ON
OFF
OFF
OFF
ON
press and bold
SET/COAST
OFr
ON
OFF
ON
ON
press and bold
RESUMEI ACCEL
On'
ON
ON
ON
ON
CaANKor
ON
-
ON
ON
ON
ON
-
ON
2!!
OFF
~
TEST CHART .
-~
(FOR OPEN CIRCUIT-~ONTROL swITcm
IGNmON
SWITCH
-POS~NS I
: iiij
CONTROL
SWITCH
i POSITIONS
OFF
BRO~
RED
YELLOW
OFF
-
-~N
DARK
GREEN
OFF
OFF
OFF
-
OFF
OFF
~
ON
press and bold
SET/COAST
OFf
ON
~c-- ON
"=-.
OFF OFF
ON
preu and bold
RF.SUME/ACCEL
ON
orr
ON
OFF ON
~
ON
OFF
OFF
OFF
-
OFF
ON
ON
C84NK or
ON
,- NJI.1, ..ce 10
