Chrysler New Yorker. Manual — part 677

TEST SC-2A

CONTINUED - CHECKING SPEED CONTROL ON/OFF SWITCH

FIG. 1

S
P
E
E

D

C

O

N

T

R

O

L

T

E
S

T

S

544

TEST SC-2A

CONTINUED - CHECKING SPEED CONTROL ON/OFF SWITCH

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

TEST SC-2A

DISCONNECT THE SPEED

CONTINUED FROM CONTROL ON/OFF/SET

THE PREVIOUS SWITCH.**

PAGE.

SEE GENERAL INFO 4.7

KEY ON. USING A

THE S/C SWITCH REPAIR

THE S/C

VOLTMETER, MEASURE

CONNECTOR TO A

IS VOLTAGE ABOVE

YES

SWITCH SIGNAL

THE VOLTAGE OF THE

GOOD GROUND.

6.0 VOLTS?

CIRCUIT SHORTED TO

S/C SWITCH SIGNAL

VOLTAGE.*

CIRCUIT FROM...

FIG. 1

NO

TURN THE IGNITION

USING AN OHMMETER,

OFF.

MEASURE THE SENSOR

IS

THE RESISTANCE NO REPAIR

THE OPEN

GROUND CKT TO

BELOW 5.0 OHMS?

SENSOR GROUND

GROUND.

CIRCUIT.*

FIG. 1

YES

CONNECT A JUMPER DOES

THE DRB

BETWEEN THE S/C SW KEY ON. WITH

THE

DISPLAY S/C SWITCH

YES

REPLACE THE SPEED

SIGNAL AND GROUND.

DRB, READ THE S/C

IS LESS THAN 1.0

CONTROL ON/OFF/SET

SW VOLTAGE.

VOLT?

SWITCH.*

FIG. 1

NO

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

WAIT ONE WAIT.

S
P
E
E

D

C

O

N

T

R

O

L

T

E
S

T

S

545

TEST SC-3A

CHECKING SPEED CONTROL RESUME SWITCH

Perform TEST SC-1A Before Proceeding

FIG. 1

S
P
E
E

D

C

O

N

T

R

O

L

T

E
S

T

S

546

TEST SC-3A

CHECKING SPEED CONTROL RESUME SWITCH

Perform TEST SC-1A Before Proceeding

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

DISCONNECT THE S/C

START TEST COAST/RESUME

SWITCH

SC-3A. HARNESS CONNECTOR.**

SEE GENERAL INFO 4.7

CONNECT A JUMPER DOES

THE DRB

BETWEEN THE S/C SW

WITH THE DRB, READ

DISPLAY S/C SWITCH

YES

REPLACE THE SPEED

SIGNAL AND GROUND.

THE S/C SW

IS LESS THAN 1.0

CONTROL SET/RESUME

VOLTAGE. VOLT?

SWITCH.*

FIG. 1

NO

TURN THE IGNITION

OFF.

WAIT ONE MINUTE.

DISCONNECT JUMPER,

FROM THE S/C

REPAIR THE OPEN

USING AN OHMMETER,

COAST/RESUME

IS RESISTANCE

YES

S/C SW SIGNAL

MEASURE THE

CONNECTOR TO A

BELOW 5.0 OHMS?

CIRCUIT TO THE

RESISTANCE OF THE

GOOD GROUND.

CLOCKSPRING

GROUND CIRCUIT...

FIG. 1

CONNECTOR.*

NO

REPAIR THE OPEN

GROUND CIRCUIT TO

S/C COAST/RESUME

SWITCH CONNECTOR.*

S
P
E
E

D

C

O

N

T

R

O

L

T

E
S

T

S

547