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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TEST TC-101A

CONTINUED - REPAIRING - FUEL PUMP RELAY CONTROL CIRCUIT

FIG. 1

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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.* 

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