Chrysler New Yorker. Manual — part 474

TEST 27A

CONTINUED - REPAIRING

(

LEFT THERMISTOR OUT OF RANGE HIGH

(

TROUBLE

CODE

FIG. 1

M

E

M

O

R

Y

S
Y
S

T

E

M

494

TEST 27A

CONTINUED - REPAIRING

(

LEFT THERMISTOR OUT OF RANGE HIGH

(

TROUBLE

CODE

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

TEST 27A

CONTINUED FROM DISCONNECT

THE

THE PREVIOUS MHSMM "C2"

HARNESS

PAGE.

CONNECTOR.**

USING A VOLTMETER,

REPAIR THE LEFT

MEASURE THE LEFT

IS THE VOLTAGE

YES

SEAT TEMPERATURE

SEAT TEMPERATURE 5

ABOVE 0.3 VOLTS?

SENSOR 5 VOLT

VOLT SUPPLY CKT.

SUPPLY CKT FOR A

FIG. 1

SHORT TO BATTERY.*

NO

REPLACE THE MEMORY
HEATED SEAT/MIRROR

MODULE.*

M

E

M

O

R

Y

S
Y
S

T

E

M

495

TEST 28A

REPAIRING

(

RIGHT SEAT HEAT OUTPUT OPEN

(

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

496

TEST 28A

REPAIRING

(

RIGHT SEAT HEAT OUTPUT OPEN

(

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 28A.

SEE GENERAL INFO 4.0

KEY OFF. USING AN

OHMMETER,

DISCONNECT THE

MEASURE THE RIGHT

IS THE RESISTANCE

YES

REPLACE THE MEMORY

MHSMM "C3" HARNESS

SEAT HEATER B(+)

BELOW 8.5 OHMS?

HEATED SEAT/MIRROR

CONNECTOR.**

DRIVER (CAV 6).

MODULE.*

FIG. 1

NO

DISCONNECT THE RIGHT

USING AN OHMMETER,

SEAT CUSHION HEATER

MEASURE THE RIGHT

4-WAY HARNESS

SEAT HEATER B(+)

CONNECTOR.** DRIVER

CIRCUIT

FIG. 2

BETWEEN...

THE MHSMM "C3" CONN

REPAIR THE OPEN

AND RIGHT SEAT

IS THE RESISTANCE

NO

RIGHT SEAT HEATER

CUSHION HEATER 4-WAY

BELOW 5.0 OHMS?

B(+) DRIVER

CONN (HARNESS SIDE).

CIRCUIT.*

FIG. 3

YES

USING AN OHMMETER,

AND THE HEATED

MEASURE BETWEEN

SEAT DRIVER

IS THE RESISTANCE

NO

REPLACE THE SEAT

THE RIGHT SEAT CIRCUITS

(CAVITIES

BELOW 2.5 OHMS?

CUSHION.*

HEATER B(+)

A & B).

DRIVER...

FIG. 2

YES

CONTINUE TEST
28A ON THE NEXT

PAGE.

M

E

M

O

R

Y

S
Y
S

T

E

M

497