Chrysler New Yorker. Manual — part 435

TEST 12C

REPAIRING FUEL GAUGE/LAMP OPERATION - EMPTY AT ALL TIMES

Perform TEST 12A Before Proceeding

FIG. 1

FIG. 2

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TEST 12C

REPAIRING FUEL GAUGE/LAMP OPERATION - EMPTY AT ALL TIMES

Perform TEST 12A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: MAKE SURE
THE FUEL TANK IS

WAS THE FUEL TANK

YES

ADD FUEL TO THE

START TEST 12C.

NOT EMPTY BEFORE

EMPTY? FUEL

TANK AND

PROCEEDING.

RETEST.

NO

WITH THE DRB READ

IS THE "FUEL LEVEL

YES

PERFROM TEST

THE BODY COMPUTER

SENDING UNIT

2A.

CODES.

FAILURE" CODE SET?

NO

REMOVE THE REAR SEAT

CONNECT A JUMPER

CUSHION.

WIRE BETWEEN GROUND

DID THE FUEL GAUGE

NO

REPLACE THE

DISCONNECT THE BODY

AND THE FUEL LEVEL

READING GO TO

INSTRUMENT

HARNESS CONNECTOR.**

SENSOR SIGNAL CKT.

FULL?

CLUSTER.*

FIG. 1

FIG. 2

YES

REMOVE FUEL PUMP
MODULE ASSEMBLY

REPLACE THE FUEL

AND INSPECT FOR

PUMP MODULE

STUCK OR FAILED

ASSEMBLY.*

FLOAT. IF OK...

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TEST 13A

REPAIRING SPEEDOMETER OPERATION

Perform TEST 5A Before Proceeding

NOTES

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TEST 13A

REPAIRING SPEEDOMETER OPERATION

Perform TEST 5A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TURN THE IGNITION

PERFORM

ON.

CAN YOU

NO "VEHICLE

START TEST 13A.

WITH THE DRB ENTER

COMMUNICATE WITH

COMMUNICATION"

"ENGINE".

THE PCM? TEST

1A.

YES

ARE ANY VEHICLE

REFER TO THE

WITH THE DRB IN

SPEED SENSOR

YES

APPROPRIATE

ENGINE, ENTER

TROUBLE CODES

POWERTRAIN

"READ DTC’S".

PRESENT? DIAGNOSTIC

MANUAL.

NO

RAISE ALL FOUR

NOTE: IF THE VEHICLE

WHEELS OFF GROUND

EQUIPPED WITH

PLACE THE GEAR

AND PROPERLY START THE ENGINE.

TRACTION

CONTROL, SHIFT LEVER IN

SUPPORT THE

THE TRACTION CONTROL

DRIVE.

VEHICLE.

MUST BE DISABLED.

OBSERVE THE

DOES THE DRB DISPLAY

REFER TO THE

WITH THE DRB IN

VEHICLE SPEED

THE VEHICLE SPEED

NO

APPROPRIATE

ENGINE, ENTER

WHILE

INCREASING POWERTRAIN

"SENSORS". ACCELERATING.

PROPORTIONALLY

AS

DIAGNOSTIC

YOU ACCELERATE?

MANUAL.

YES

WITH THE DRB,

THEN "PCI BUS

DOES THE DRB DISPLAY

ENTER "BODY",

ENGINE INFO" AND

THE VEHICLE SPEED

NO

REPLACE THE BODY

"BODY COMPUTER", OBSERVE THE

INCREASING CONTROL MODULE.*

"MONITOR VEHICLE SPEED.

PROPORTIONALLY

AS

DISPLAY"...

YOU ACCELERATE?

YES

REPLACE THE

INSTRUMENT
CLUSTER*.

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