Chrysler New Yorker. Manual — part 454

TEST 8A

CONTINUED - REPAIRING INOPERATIVE BLOWER MOTOR

FIG. 1

FIG. 2

M

A
N
U
A

L

T

E

M

P
E

R
A

T

U
R

E

C

O

N

T

R

O

L

S
Y
S

T

E

M

414

TEST 8A

CONTINUED - REPAIRING INOPERATIVE BLOWER MOTOR

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 8A

BACKPROBE A JUMPER

CONTINUED FROM

WIRE FROM THE BLOWER

DID THE BLOWER

NO

REPLACE THE BLOWER

THE PREVIOUS

MOTOR DRIVER CKT TO

MOTOR RUN ON HIGH

MOTOR.*

PAGE.

GROUND.

SPEED?

FIG. 1

YES

DISCONNECT THE

REMOVE THE JUMPER

A/C-HEATER CONTROL

WIRE.

"C2" 10-WAY HARNESS

CONNECTOR.**

FIG. 2

CONNECT A JUMPER

WIRE BETWEEN THE HI

NOTE: THE IGNITION

DID THE BLOWER NO CONTINUE

TEST

BLOWER MOTOR DRIVER

IS STILL ON

MOTOR RUN ON HIGH

8A ON THE NEXT

CIRCUIT AND GROUND.

(ENGINE OFF).

SPEED? PAGE.

FIG. 2

YES

USING AN OHMMETER,

TURN THE IGNITION

MEASURE BETWEEN

IS THE RESISTANCE

NO

REPAIR THE OPEN

OFF.

GROUND AND THE

BELOW 5.0 OHMS?

GROUND CIRCUIT.*

GROUND CIRCUIT.

FIG. 2

YES

REPLACE THE

A/C-HEATER CONTROL

HEAD.*

M

A
N
U
A

L

T

E

M

P
E

R
A

T

U
R

E

C

O

N

T

R

O

L

S
Y
S

T

E

M

415

TEST 8A

CONTINUED - REPAIRING INOPERATIVE BLOWER MOTOR

FIG. 1

M

A
N
U
A

L

T

E

M

P
E

R
A

T

U
R

E

C

O

N

T

R

O

L

S
Y
S

T

E

M

416

TEST 8A

CONTINUED - REPAIRING INOPERATIVE BLOWER MOTOR

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 8A

DISCONNECT THE

CONTINUED FROM BLOWER

MOTOR

THE PREVIOUS RESISTOR

HARNESS

PAGE.

CONNECTOR.**

USING AN OHMMETER,

THE BLOWER MOTOR

MEASURE THE HI

RESISTOR AND THE

IS THE RESISTANCE

NO

REPAIR THE OPEN HI

BLOWER MOTOR

A/C-HEATER "C2"

BELOW 5.0 OHMS?

BLOWER MOTOR

DRIVER CIRCUIT

HARNESS CONNECTORS.

DRIVER CIRCUIT.*

BETWEEN... FIG.

1

YES

REPLACE THE BLOWER

MOTOR RESISTOR.*

M

A
N
U
A

L

T

E

M

P
E

R
A

T

U
R

E

C

O

N

T

R

O

L

S
Y
S

T

E

M

417