Chrysler New Yorker. Manual — part 477

TEST 31A

REPAIRING

(

RIGHT HEATED SEAT HEAT SWITCH STUCK IN HIGH STATE

(

TROUBLE

CODE

Perform TEST 1A Before Proceeding

FIG. 1

M

E

M

O

R

Y

S
Y
S

T

E

M

506

TEST 31A

REPAIRING

(

RIGHT HEATED SEAT HEAT SWITCH STUCK IN HIGH STATE

(

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 31A.

SEE GENERAL INFO 4.0

DISCONNECT THE RIGHT

USING THE DRB

SEAT HEATER SWITCH

ERASE THE TROUBLE

HARNESS CONNECTOR.** CODE.

FIG. 1

TURN IGNITION OFF.

TURN IGNITION ON

DOES THE "RIGHT

(ENGINE OFF).

HEATED SEAT SWITCH YES

REPLACE THE SEAT

USING THE DRB

OPEN/SHORTED TO

HEATER SWITCH.*

SELECT "READ

GROUND" TROUBLE

DTC’s".

CODE APPEAR?

NO

USING A VOLTMETER, REPAIR

THE RIGHT

DISCONNECT THE

MEASURE RIGHT SEAT

IS THE VOLTAGE

YES

SEAT HEATER SWITCH

MHSMM "C1" HARNESS

HEATER SW MUX CKT

ABOVE 0.2 VOLTS

MUX CIRCUIT FOR A

CONNECTOR.**

(CAV 6) TO GROUND.

SHORT TO VOLTAGE.*

FIG. 1

NO

REPLACE THE MEMORY
HEATED SEAT/MIRROR

MODULE.*

M

E

M

O

R

Y

S
Y
S

T

E

M

507

TEST 32A

REPAIRING

(

RIGHT HEATED SEAT SWITCH OPEN/SHORTED TO GROUND

(

TROUBLE CODE

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

M

E

M

O

R

Y

S
Y
S

T

E

M

508

TEST 32A

REPAIRING

(

RIGHT HEATED SEAT SWITCH OPEN/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 32A.

SEE GENERAL INFO 4.0

USING A VOLTMETER,

DISCONNECT THE

MEASURE RIGHT SEAT

IS THE VOLTAGE

YES

REPLACE THE MEMORY

MHSMM "C1" HARNESS

HEATER SW MUX CKT

ABOVE 10.0 VOLTS?

HEATED SEAT/MIRROR

CONNECTOR.**

(CAV 5) TO GROUND.

MODULE.*

FIG. 1

NO

DISCONNECT THE RIGHT

USING AN OHMMETER,

REPAIR THE RIGHT

SEAT HEATER SWITCH

MEASURE RIGHT SEAT

IS THE RESISTANCE

YES

SEAT HEATER SWITCH

HARNESS CONNECTOR.**

HEATER SWITCH MUX

BELOW 100.0 OHMS?

MUX CKT FOR A

CKT (CAV 6) TO GND.

SHORT TO GROUND.*

FIG. 2

FIG. 2

NO

CONNECT A JUMPER USING AN

OHMMETER,

WIRE FROM THE RIGHT

MEASURE RIGHT SEAT

IS THE RESISTANCE

NO

REPAIR THE OPEN

SEAT HEATER SW MUX

HEATER SWITCH MUX

BELOW 5.0 OHMS?

RIGHT SEAT HEATER

CKT (CAV 5) TO GND.

CKT (CAV 6) TO GND.

SWITCH MUX CKT.*

FIG. 1

FIG. 2

YES

REPLACE THE SEAT
HEATER SWITCH.*

M

E

M

O

R

Y

S
Y
S

T

E

M

509