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 stl111the 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

 

IGNITION

CONTROL

 

 

SWRCB

SWITCH

 

;

POSmoNS-

POSITIONS

j

orr

 

OFF

 

I ,

orr

 

-

 

 

 

 

ON

 

 

OFr

 

ON

 

 

 

press and

bold

 

 

 

SET/COAST

 

On'

ON

 

 

press and

bold

 

 

 

RESUMEI ACCEL

 

ON

 

-ON

 

 

CaANKor

ON

 

 

 

 

TEST CHART .

 

IGNmON

CONTROL

 

SWITCH

SWITCH

 

 

i

POSITIONS

-POS~NS

I

OFF

 

 

 

 

 

:

iiij

 

~

 

 

OFf

 

ON

 

 

 

press and

bold

 

 

 

SET/COAST

 

 

orr

 

ON

 

 

 

preu and

bold

 

 

 

RF.SUME/ACCEL

 

ON

 

ON

 

 

C84NK

or

ON

 

(FOR~LOSED CIRCUIT ~QNTROL sWITcm

RED

DARK

YELLOW

 

GREEN

OFF

~

OFF

OFF

 

 

ON

ON

OFF

ON

OFF

ON

ON

ON

ON

ON

ON

2!!

ON

-

ON

OFF

-~

(FOR OPEN CIRCUIT-~ONTROL swITcm

RED

 

DARK

YELLOW

 

 

GREEN

 

OFF

 

OFF

OFF

-

 

OFF

-

-~N

 

OFF

ON

~c--

ON

OFF

 

 

"=-.

 

ON

 

OFF

ON

~

 

OFF

OFF

 

OFF

-

ON

 

OFF

BROWN

OFF

~

BRO~

OFF

OFF

ON

,- NJI.1, ..ce 10

Page 8
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Audiovox TV Cables manual Control Switch Tests