Chrysler New Yorker. Manual — part 669

TEST NTC-20A

CONTINUED - CHECKING THE PARK/NEUTRAL POSITION SWITCH

FIG. 1

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

512

TEST NTC-20A

CONTINUED - CHECKING THE PARK/NEUTRAL POSITION SWITCH

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST NTC-20A

KEY OFF.

CONTINUED FROM DISCONNECT

THE

THE PREVIOUS TRANSMISSION

RANGE

PAGE.

SENSOR HARNESS

CONNECTOR.**

KEY 0N. USING A

REPAIR THE OPEN IN

VOLTMETER, MEASURE

IS THE VOLTAGE

NO

THE P/N POSITION

THE THE P/N POSITION

BELOW 10.0 VOLTS?

SWITCH SENSE

SWITCH SENSE

CIRCUIT.*

CIRCUIT. FIG. 1

YES

USING A TEST LIGHT

REPAIR THE SHORT

USING THE DRB,

CONNECTED TO GROUND,

DOES THE TEST

YES

TO VOLTAGE IN THE

ACTUATE THE ASD

PROBE THE P/N

LIGHT ILLUMINATE?

P/N POSITION

RELAY.

POSITION SWITCH

SWITCH SENSE

SENSE CIRCUIT. FIG.1

CIRCUIT.*

NO

STOP ACTUATION.

USING A JUMPER WIRE,

USING THE DRB, CONNECT ONE END TO

MONITOR THE

THE P/N POSITION

PARK/NEUTRAL SWITCH

SWITCH SENSE CIRCUIT

INPUT STATE. AND...

THE OTHER END TO A
KNOWN GOOD GROUND.

DOES THE DISPLAY

YES

REPLACE THE

ON THE DRB CHANGE

TRANSMISSION RANGE

FIG. 1

TO P/N?

SENSOR.*

NO

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

513

TEST NTC-21A

CHECKING OIL PRESSURE SENDING UNIT

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

514

TEST NTC-21A

CHECKING OIL PRESSURE SENDING UNIT

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START TEST

TURN IGNITION ON

DID THE OIL

NO

PERFORM TEST

NTC-21A. (ENGINE OFF).

WARNING LAMP NTC-21B.

LIGHT?

YES

OIL PRESSURE

START THE ENGINE DID THE OIL

YES

SENDING UNIT

IS

AND ALLOW ENGINE WARNING LAMP

GO

OPERATING NORMAL.

TO IDLE.

OUT?

TEST PASSED.

NO

CHECK THE ENGINE

IS THE OIL LEVEL

NO

ADJUST AS

TURN IGNITION OFF.

OIL LEVEL.

WITHIN

NECESSARY.*

SPECIFICATION?

YES

DISCONNECT THE

ENGINE OIL PRESSURE

DID THE OIL

NO

CONTINUE TEST

SWITCH CONNECTOR.**

WARNING LAMP GO

NTC-21A ON THE

KEY ON.

OUT. NEXT

PAGE.

FIG. 1

YES

REMOVE THE OIL

PRESSURE SWITCH.**

CONNECT AN OIL

PRESSURE GAUGE IN

INSPECT OIL

ITS PLACE.

PASSAGE.* FIG. 1

REFER TO THE

IS THE GAUGE

NO

APPROPRIATE

START THE ENGINE.

READING 4.0 PSI OR SERVICE MANUAL.

GREATER AT IDLE?

YES

ALLOW THE ENGINE

IS GAUGE READING

REFER TO THE

TO REACH NORMAL

4.0 PSI OR GREATER

NO

APPROPRIATE

OPERATING

WITH THE ENGINE

SERVICE MANUAL.

TEMPERATURE. FULLY WARM

AND AT

IDLE?

YES

REPLACE THE OIL

PRESSURE SWITCH.*

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

515