Chrysler New Yorker. Manual — part 661

TEST NTC-8A

CHECKING MAP SENSOR

Perform TEST NTC-1A Before Proceeding

2.7L

3.5L

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

480

TEST NTC-8A

CHECKING MAP SENSOR

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START TEST TURN

THE ENGINE

NTC-8A.

OFF.

TEE-IN A VACUUM

GAUGE TO A

MANIFOLD VACUUM

START THE ENGINE.

SOURCE.

NOTE: IF ENGINE

ALLOW THE ENGINE WILL

NOT IDLE,

TO IDLE.

MAINTAIN A

CONSTANT RPM ABOVE

IDLE.

IS THE READING

MAP SENSOR IS

USING THE DRB,

WITHIN 1" OF THE

YES

OPERATING

READ THE MAP

TEED-IN VACUUM

NORMALLY.

SENSOR VACUUM.

GAUGE?

TEST PASSED.

NO

REPLACE THE MAP

SENSOR.*

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

481

TEST NTC-9A

CHECKING THE AUTO SHUTDOWN RELAY

Perform TEST NTC-1A Before Proceeding

FIG. 1

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

482

TEST NTC-9A

CHECKING THE AUTO SHUTDOWN RELAY

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START TEST

WITH THE DRB,

IS THE ASD RELAY

NO

CONTINUE TEST

NTC-9A.

ACTUATE THE ASD

CLICKING?

NTC-9A ON THE

RELAY. NEXT

PAGE.

YES

REPAIR THE SHORT

INSPECT THE ASD

IS THE ASD FUSE

NO

TO GROUND IN THE

FUSE LOCATED IN

OPEN?

ASD RELAY FUSED

THE PDC.

B(+) CIRCUIT.

YES

TURN THE IGNITION

OFF. DISCONNECT

THE ASD

RELAY.**

WAIT ONE MINUTE.

USING A VOLTMETER,

REPAIR THE OPEN

MEASURE BOTH B(+)

IS THE VOLTAGE

NO

FUSED B(+) CIRCUIT

FUSED CIRCUITS.

ABOVE 11.0 VOLTS?

FROM THE SPLICE TO

THE ASD FUSE.

FIG. 1

YES

DID YOU COME HERE

YES

CONTINUE TEST

FROM NS-9A?

NS-9A.

NO

THE AUTO SHUTDOWN
RELAY IS OPERATING

NORMAL.

TEST PASSED

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

483