Chrysler New Yorker. Manual — part 470

TEST 21A

CONTINUED - REPAIRING

(

LEFT SEAT HEAT OUTPUT OPEN

(

TROUBLE CODE

FIG. 1

FIG. 2

M

E

M

O

R

Y

S
Y
S

T

E

M

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.*

M

E

M

O

R

Y

S
Y
S

T

E

M

479

TEST 22A

REPAIRING

(

LEFT SEAT HEAT OUTPUT SHORTED TO GROUND

(

TROUBLE CODE

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

M

E

M

O

R

Y

S
Y
S

T

E

M

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.*

M

E

M

O

R

Y

S
Y
S

T

E

M

481