Chrysler New Yorker. Manual — part 573

TEST TC-25D

REPAIRING - IDLE AIR CONTROL MOTOR CIRCUITS

Perform TEST TC-25A Before Proceeding

FIG. 1

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

128

TEST TC-25D

REPAIRING - IDLE AIR CONTROL MOTOR CIRCUITS

Perform TEST TC-25A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

KEY OFF, DISCONNECT

START TEST

THE POWERTRAIN

IS ANY TERMINAL

YES

REPAIR AS

TC-25D.

CONTROL MODULE DAMAGED,

PUSHED

NECESSARY.*

HARNESS CONNECTOR.** OUT OR

MISWIRED?

SEE GENERAL INFO 4.1

NO

MEASURE RESISTANCE

OF THE IAC #3

IS THE RESISTANCE

YES

REPLACE THE

DRIVER CIRCUIT

BELOW 5.0 OHMS?

POWERTRAIN CONTROL

BETWEEN PCM & IAC.

MODULE.*

FIG. 1

NO

REPAIR THE OPEN
IDLE AIR CONTROL

MOTOR DRIVER

CIRCUIT.*

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

129

TEST TC-25E

REPAIRING - IDLE AIR CONTROL MOTOR CIRCUITS

Perform TEST TC-25A Before Proceeding

FIG. 1

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

130

TEST TC-25E

REPAIRING - IDLE AIR CONTROL MOTOR CIRCUITS

Perform TEST TC-25A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

KEY OFF, DISCONNECT

START TEST

THE POWERTRAIN

IS ANY TERMINAL

YES

REPAIR AS

TC-25E.

CONTROL MODULE DAMAGED,

PUSHED

NECESSARY.*

HARNESS CONNECTOR.** OUT OR

MISWIRED?

SEE GENERAL INFO 4.1

NO

MEASURE RESISTANCE

OF THE IAC #4

IS THE RESISTANCE

YES

REPLACE THE

DRIVER CIRCUIT

BELOW 5.0 OHMS?

POWERTRAIN CONTROL

BETWEEN PCM & IAC.

MODULE.*

FIG. 1

NO

REPAIR THE OPEN
IDLE AIR CONTROL

MOTOR DRIVER

CIRCUIT.*

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

131