Chrysler New Yorker. Manual - part 470

TEST 21A

CONTINUED - REPAIRING

(

LEFT SEAT HEAT OUTPUT OPEN

(

TROUBLE CODE

FIG. 1

FIG. 2

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478

TEST 21A

CONTINUED - REPAIRING

(

LEFT SEAT HEAT OUTPUT OPEN

(

TROUBLE CODE

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

TEST 21A

DISCONNECT THE

CONTINUED FROM 

SEAT BACK HEATER 

THE PREVIOUS 2-WAY HARNESS

PAGE.

CONNECTOR.** 

USING AN OHMMETER,

TO THE SEAT BACK 

MEASURE THE HEATED 

HEATER 2-WAY

IS THE RESISTANCE 

NO 

REPAIR THE OPEN 

SEAT DRIVER CIRCUIT

CONNECTOR. 

BELOW 5.0 OHMS?

HEATED SEAT DRIVER 

FROM SEAT CUSHION

CIRCUIT.*

4-WAY CONNECTOR... FIG. 

1

YES

USING AN OHMMETER,

AND GROUND 

MEASURE BETWEEN

CIRCUITS (CAVITIES

IS THE RESISTANCE 

NO 

REPLACE THE SEAT 

THE HEATED SEAT 

A & B. 

BELOW 2.5 OHMS?

BACK.* 

DRIVER...

FIG. 2

YES

REPAIR THE OPEN 
GROUND CIRCUIT.*

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TEST 22A

REPAIRING

(

LEFT SEAT HEAT OUTPUT SHORTED TO GROUND

(

TROUBLE CODE

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

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480

TEST 22A

REPAIRING

(

LEFT SEAT HEAT OUTPUT SHORTED TO GROUND

(

TROUBLE CODE

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

NOTE: FOR LOCATION 
OF ALL COMPONENTS 

START TEST 22A. 

SEE GENERAL INFO 4.0

DISCONNECT THE LEFT 

USING THE DRB

SEAT CUSHION HEATER 

ERASE THE TROUBLE

4-WAY HARNESS

CODE.

CONNECTOR.** 

FIG. 1

TURN IGNITION OFF. 

TURN IGNITION ON 

DOES THE "LEFT

(ENGINE OFF).

SEAT HEAT OUTPUT 

NO 

CONTINUE TEST 

USING THE DRB

OPEN" TROUBLE CODE 22A ON 

THE NEXT 

SELECT "READ

APPEAR?

PAGE.

DTC’s".

YES

DISCONNECT THE SEAT 

USING AN OHMMETER,

BACK HEATER 2-WAY

MEASURE LEFT SEAT 

IS THE RESISTANCE 

YES

REPLACE THE SEAT 

HARNESS CONNECTOR.** 

HEATER B(+) DRIVER 

BELOW 1000.0 (1K) 

CUSHION.*

(CAV A) TO GROUND.

OHMS?

FIG. 2

FIG. 3

NO 

USING AN OHMMETER,

REPAIR THE HEATED 

MEASURE THE HEATED 

IS THE RESISTANCE 

YES

SEAT DRIVER CKT

SEAT DRIVER CKT

BELOW 1000.0 (1K) 

FOR A SHORT TO 

(CAV A) TO GROUND.

OHMS?

GROUND.* 

FIG. 2

NO 

REPLACE THE HEATED 

SEAT BACK.* 

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481