Chrysler New Yorker. Manual — part 434

TEST 12A

CONTINUED - REPAIRING FUEL GAUGE/LED OPERATION

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TEST 12A

CONTINUED - REPAIRING FUEL GAUGE/LED OPERATION

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 12A

CONTINUED FROM OBSERVE THE FUEL

DID THE FUEL

GAUGE

NO

REPLACE THE

THE PREVIOUS GAUGE. GO

TO

EMPTY?

INSTRUMENT

PAGE.

CLUSTER.*

YES

CHECK THE FUEL PUMP

JUMPER HARNESS

(BETWEEN TANK AND

BODY CONNECTOR) FOR
A SHORT TO GROUND.*

IF OK, REPLACE THE
FUEL LEVEL SENDING

UNIT.*

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TEST 12B

REPAIRING INACCURATE FUEL GAUGE

Perform TEST 12A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

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TEST 12B

REPAIRING INACCURATE FUEL GAUGE

Perform TEST 12A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

DISCONNECT THE BODY

CONTROL MODULE C4

START TEST 12B.

HARNESS CONNECTOR.**

FIG. 1

NOTE: TO PERFORM

USING AN OHMMETER,

DID THE RESISTANCE

REPLACE THE

THIS TEST, ADD OR

MEASURE BETWEEN

MATCH THE TABLE

YES

INSTRUMENT CLUSTER

REMOVE 5 GALLONS

GROUND AND THE

IN FIG. 3 ON BOTH

FOR A INACCURATE

OF FUEL, THEN

FUEL LEVEL SENSOR

ATTEMPTS?

FUEL GAUGE.*

REPEAT.

SIGNAL CKT. FIG. 2

NO

LOWER THE FUEL

CHECK THE FUEL TANK

IS THE TANK AND

TANK AND REMOVE

FOR FOREIGN MATERIAL

SENDING UNIT

NO

REPAIR OR REPLACE

THE FUEL TANK

AND SENDING UNIT FOR

VISUAL CONDITION

AS NECESSARY.*

SENDING UNIT.

BENT OR STICKING

OK?

ARM.

YES

REPLACE THE FUEL

LEVEL SENDING

UNIT.*

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337