Chrysler New Yorker. Manual - part 617

TEST TC-93A

REPAIRING - HIGH SPEED FAN CTRL RELAY CIRCUIT

Perform TEST DTC Before Proceeding

FIG. 1

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TEST TC-93A

REPAIRING - HIGH SPEED FAN CTRL RELAY CIRCUIT

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

WITH THE DRB, 

START TEST 

ACTUATE THE HIGH 

IS THE HIGH SPEED

NO 

CONTINUE TEST 

TC-93A.

SPEED FAN RELAY. 

FAN RELAY

TC-93A ON THE

CLICKING?

NEXT PAGE.

SEE GENERAL INFO 4.6

YES

THE CONDITION

USING THE

REQUIRED TO SET

SCHEMATIC AS A

WERE ANY PROBLEMS 

YES

REPAIR AS 

THE TROUBLE CODE GUIDE, 

INSPECT THE

FOUND? 

NECESSARY.*

IS NOT PRESENT. 

WIRING AND

FIG. 1

CONNECTORS.

NO 

WIGGLE THE WIRING 

NOTE: THE DRB MUST REPAIR 

AS 

HARNESS FROM THE

STILL BE ACTUATING

DID THE WIGGLING 

YES

NECESSARY WHERE

RELAY TO THE

THE HIGH SPEED FAN

INTERRUPT THE

WIGGLING CAUSED 

POWERTRAIN CONTROL

RELAY. 

CLICKING?

THE CLICKING TO BE 

MODULE.

INTERRUPTED.*

NO 

REFER TO GEN INFO 

3.3.2 FOR

INFORMATION ON 

TEST COMPLETE.* 

INACTIVE TROUBLE

CODES. 

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TEST TC-93A

CONTINUED - REPAIRING - HIGH SPEED FAN CTRL RELAY CIRCUIT

FIG. 1

FIG. 2

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TEST TC-93A

CONTINUED - REPAIRING - HIGH SPEED FAN CTRL RELAY CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-93A 

DISCONNECT THE

CONTINUED FROM HIGH 

SPEED FAN

THE PREVIOUS RELAY.** 

PAGE.

FIG. 1

KEY ON. USING A

REPAIR THE OPEN 

VOLTMETER, MEASURE

IS THE VOLTAGE

NO 

FUSED IGNITION 

THE FUSED IGNITION 

ABOVE 10.0 VOLTS? 

SWITCH OUTPUT 

SWITCH OUTPUT 

CIRCUIT.*

CIRCUIT. FIG. 1

YES

MEASURE ACROSS THE

USE AN OHMMETER IN 

TERMINALS OF THE

IS THE RESISTANCE 

NO 

REPLACE THE HIGH 

THE FOLLOWING

HIGH 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 HIGH 

THE POWERTRAIN MEASURE THE HIGH 

IS 

THE RESISTANCE 

YES

SPEED FAN RELAY

CONTROL MODULE SPEED FAN RELAY

BELOW 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-93A ON THE

STEP.

NEXT PAGE.

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