Chrysler New Yorker. Manual — part 668

TEST NTC-19A

CHECKING THE INTAKE AIR TEMP SENSOR

Perform TEST TC-NTC-1A Before Proceeding

2.7L

FIG. 1

3.5L

FIG. 2

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

508

TEST NTC-19A

CHECKING THE INTAKE AIR TEMP SENSOR

Perform TEST TC-NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: MAKE SURE

NOTE: DO NOT ALLOW

WITH THE DRB, READ

START TEST

THE IGNITION KEY

MORE THAN 5

THE INTAKE AIR

NTC-19A

IS ON AT THIS TIME

MINUTES DELAY

TEMPERATURE (IAT)

(ENGINE OFF).

BETWEEN NEXT SENSOR

AND RECORD

STEPS. THE READING.

KEY OFF. REMOVE

USING A TEMP

IS THE IAT

THE IAT SENSOR.

PROBE, MEASURE THE

RECORDING WITHIN

NO

REPLACE THE INTAKE

IAT INSIDE SENSOR

10 DEGREES OF THE

AIR TEMPERATURE

OPENING. PROBE READING?

(IAT) SENSOR.*

FIG. 1 OR 2

YES

REINSTALL THE

IAT SENSOR.

INTAKE AIR TEMP

(IAT) SENSOR

TEST PASSED.

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

509

TEST NTC-20A

CHECKING - PARK/NEUTRAL SWITCH FAILURE

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

510

TEST NTC-20A

CHECKING - PARK/NEUTRAL SWITCH FAILURE

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

WITH THE DRB, READ

START TEST THE PARK/NEUTRAL

NTC-20A. SWITCH

INPUT

STATE.

WHILE MOVING GEAR

PARK/NEUTRAL

SELECTOR THROUGH

DID THE DRB DISPLAY

YES

POSITION

ALL GEAR "P/N" AND "D/R"?

SWITCH

NORMAL.

POSITIONS, WATCH
THE DRB DISPLAY. TEST

PASSED.

NO

DOES THE

PARK/NEUTRAL NO

CONTINUE

TEST

SWITCH INPUT

NTC-20A ON THE

DISPLAY P/N ONLY?

NEXT PAGE.

YES

DISCONNECT THE

MONITOR THE

TRANSMISSION RANGE

PARK/NEUTRAL

DOES THE DRB

YES

REPLACE THE

SENSOR HARNESS

SWITCH INPUT STATE

DISPLAY D/R?

TRANSMISSION RANGE

CONNECTOR.** ON

THE DRB.

SENSOR.*

NO

DISCONNECT THE THE

TURN THE IGNITION

POWERTRAIN CONTROL

OFF. MODULE

HARNESS

CONNECTOR.**

MEASURE THE

REPAIR THE SHORT

USE AN OHMMETER IN

RESISTANCE OF THE

IS THE RESISTANCE

YES

TO GROUND IN THE

THE FOLLOWING

P/N POSITION SW

BELOW 5.0 OHMS?

P/N POSITION

STEP.

SENSE CIRCUIT TO SWITCH

SENSE

GROUND. FIG. 1

CIRCUIT.*

NO

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

SEE GENERAL INFO 4.2

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

511