Chrysler New Yorker. Manual - part 616

TEST TC-92A

CONTINUED - REPAIRING - LOW SPEED FAN CTRL RELAY CIRCUIT

FIG. 1

FIG. 2

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TEST TC-92A

CONTINUED - REPAIRING - LOW SPEED FAN CTRL RELAY CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-92A 

DISCONNECT THE HI/LO

CONTINUED FROM SPEED FAN RELAY.** 

THE PREVIOUS 

PAGE.

SEE GENERAL INFO 4.6

USING A VOLTMETER, 

REPAIR THE OPEN 

MEASURE THE FUSED

IS THE VOLTAGE

NO 

FUSED IGNITION 

IGN SWITCH OUTPUT 

ABOVE 10.0 VOLTS? 

SWITCH OUTPUT 

CIRCUIT. 

CIRCUIT.*

FIG. 1

YES

MEASURE ACROSS THE

USE AN OHMMETER IN 

TERMINALS OF HI/LO

IS THE RESISTANCE 

NO 

REPLACE THE HI/LO

THE FOLLOWING

SPEED FAN RELAY

BETWEEN 60 TO 80 

SPEED FAN RELAY.*

STEP.

FOR RESISTANCE.

OHMS?

FIG. 2

YES

KEY OFF. DISCONNECT 

USING AN OHMMETER,

REPAIR THE HI/LO

THE POWERTRAIN MEASURE THE HI/LO

IS 

THE RESISTANCE 

YES

SPEED FAN RELAY

CONTROL MODULE SPEED FAN RLY

BETWEEN 5.0 OHMS?

CONTROL CKT FOR A

HARNESS CONNECTOR.** 

CONTROL CKT TO GND. 

SHORT TO GROUND.* 

SEE GENERAL INFO 4.1

FIG. 1

NO 

USE AN OHMMETER IN 

CONTINUE TEST 

THE FOLLOWING

TC-92A ON THE

STEP.

NEXT PAGE.

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301

TEST TC-92A

CONTINUED - REPAIRING - LOW SPEED FAN CTRL RELAY CIRCUIT

FIG. 1

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302

TEST TC-92A

CONTINUED - REPAIRING - LOW SPEED FAN CTRL RELAY CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-92A 

MEASURE THE LOW

REPAIR THE OPEN 

CONTINUED FROM SPEED FAN RELAY

IS 

THE RESISTANCE 

NO 

LOW SPEED RAD FAN

THE PREVIOUS CONTROL CKT FROM 

BELOW 5.0 OHMS?

RELAY CONTROL

PAGE.

PCM TO RELAY CONN.

CIRCUIT.*

FIG. 1

YES

REPLACE THE

POWERTRAIN CONTROL

MODULE.* 

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