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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