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

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S

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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

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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