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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300

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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B

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E

C

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D

E

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S

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301

TEST TC-92A

CONTINUED - REPAIRING - LOW SPEED FAN CTRL RELAY CIRCUIT

FIG. 1

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

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.*

T

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O

U
B

L

E

C

O

D

E

T

E
S

T

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303