Chrysler New Yorker. Manual - part 669

TEST NTC-20A

CONTINUED - CHECKING THE PARK/NEUTRAL POSITION SWITCH

FIG. 1

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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.* 

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513

TEST NTC-21A

CHECKING OIL PRESSURE SENDING UNIT

Perform TEST NTC-1A Before Proceeding

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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.* 

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