Chrysler New Yorker. Manual — part 619

TEST TC-101A

CONTINUED - REPAIRING - FUEL PUMP RELAY CONTROL CIRCUIT

FIG. 1

FIG. 2

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TEST TC-101A

CONTINUED - REPAIRING - FUEL PUMP RELAY CONTROL CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-101A

DISCONNECT THE FUEL

CONTINUED FROM PUMP

RELAY.**

THE PREVIOUS

PAGE.

SEE GENERAL INFO 4.6

USING A VOLTMETER,
MEASURE THE FUSED

IS THE VOLTAGE

NO

REPAIR THE OPEN

IGN SWITCH OUTPUT

ABOVE 10.0 VOLTS?

FUSED IGN SWITCH

CIRCUIT.

OUTPUT CIRCUIT.*

FIG. 1

YES

MEASURE ACROSS

USE AN OHMMETER IN

TERMINALS 85 & 86 OF

IS THE RESISTANCE

NO

REPLACE THE FUEL

THE FOLLOWING

THE FUEL PUMP RELAY

BETWEEN 70 TO 90

PUMP RELAY.*

STEP.

FOR RESISTANCE.

OHMS?

FIG. 2

YES

KEY OFF. DISCONNECT

USING AN OHMMETER,

REPAIR THE FUEL

THE POWERTRAIN

MEASURE THE FUEL

IS THE RESISTANCE

YES

PUMP RELAY CONTROL

CONTROL MODULE PUMP

RELAY CONTROL

BELOW 5.0 OHMS?

CKT FOR A SHORT TO

HARNESS CONNECTOR.** CIRCUIT TO

GROUND.

GROUND.*

SEE GENERAL INFO 4.1

FIG. 1

NO

USE AN OHMMETER IN

CONTINUE TEST

THE FOLLOWING

TC-101A ON THE

STEP.

NEXT PAGE.

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313

TEST TC-101A

CONTINUED - REPAIRING - FUEL PUMP RELAY CONTROL CIRCUIT

FIG. 1

T

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C

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314

TEST TC-101A

CONTINUED - REPAIRING - FUEL PUMP RELAY CONTROL CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-101A

MEASURE THE FUEL

CONTINUED FROM

PUMP RELAY CONTROL

IS THE RESISTANCE

NO

REPAIR THE OPEN

THE PREVIOUS

CKT FOR RESISTANCE

BELOW 5.0 OHMS?

FUEL PUMP RELAY

PAGE.

FROM PCM TO RELAY.

CONTROL CKT.*

FIG. 1

YES

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

T

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C

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D

E

T

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S

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