Chrysler New Yorker. Manual — part 587

TEST TC-41A

REPAIRING - IGNITION COIL #3 PRIMARY CIRCUIT

Perform TEST DTC Before Proceeding

FIG. 1

FIG. 2

FIG. 3

FIG. 4

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

184

TEST TC-41A

REPAIRING - IGNITION COIL #3 PRIMARY CIRCUIT

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

KEY OFF.

START TEST DISCONNECT

THE

TC-41A.

IGNITION COIL

HARNESS CONNECTOR.**
SEE GENERAL INFO 4.0

USING AN OHMMETER,

MEASURE THE

IS THE RESISTANCE

NO

REPLACE THE

RESISTANCE OF THE

BETWEEN 0.3 AND

IGNITION COIL #3.*

IGNITION COIL #3.

0.7 OHMS?

FIG. 1

YES

USING A 12 VOLT TEST

USING THE DRB, LIGHT CONNECTED TO DOES

THE TEST

NO

PERFORM TEST

ACTUATE THE ASD

GROUND, PROBE THE

LIGHT ILLUMINATE?

TC-41B.

RELAY. FUSED ASD REALY

CIRCUIT. FIG. 2

YES

USING A VOLTMETER, REPAIR

THE SHORT

NOTE: DRB STILL

MEASURE THE IGNITION

IS THE VOLTAGE

YES

TO VOLTAGE IN THE

ACTUATING THE ASD

COIL DRIVER #3.

ABOVE 1.0 VOLT?

IGNITION COIL

RELAY.

DRIVE #3 CIRCUIT.*

FIG. 2

NO

KEY OFF. DISCONNECT

USING AN OHMMETER,

THE POWERTRAIN

MEASURE RESISTANCE

IS THE RESISTANCE

NO

REPAIR THE OPEN IN

HARNESS CONNECTOR.**

OF IGN COIL DRIVER

BELOW 5.0 OHMS?

THE IGNITION COIL

CKT BETWEEN IGN COIL DRIVER.*

SEE GENERAL INFO 4.1

AND PCM CONNS. FIG.3

YES

USING AN OHMMETER,

REPAIR THE SHORT

MEASURE THE IGNITION

IS THE RESISTANCE

YES

TO GROUND IN THE

COIL DRIVER CKT TO

BELOW 5.0 OHMS?

IGNITION COIL

GROUND.

DRIVER CIRCUIT.*

FIG. 4

NO

CONTINUE TEST

TC-41A ON THE

NEXT PAGE.

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

185

TEST TC-41A

CONTINUED - REPAIRING - IGNITION COIL #3 PRIMARY CIRCUIT

FIG. 1

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

186

TEST TC-41A

CONTINUED - REPAIRING - IGNITION COIL #3 PRIMARY CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-41A

REMOVE IGNITION COIL

CONTINUED FROM #3

AND SUBSTITUDE

THE PREVIOUS WITH

A KNOWN GOOD

PAGE.

IGNITION COIL

FIG. 1

DID THE IGNITION

USING A DRB, CHECK

COIL #3 PRIMARY

NO

REPLACE THE

FOR TROUBLE CODES.

CIRCUIT TROUBLE

IGNITION COIL #3.*

CODE RESET.

YES

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

USING THE DRB,

CLEAR THE TROUBLE

CODE.

TEST DRIVE

VEHICLE.

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

187