Chrysler New Yorker. Manual - part 606

TEST TC-76A

REPAIRING - IGNITION COIL #4 PRIMARY CIRCUIT

FIG. 1

FIG. 2

FIG. 3

FIG. 4

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260

TEST TC-76A

REPAIRING - IGNITION COIL #4 PRIMARY CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

KEY OFF. 

START TEST DISCONNECT 

THE

TC-76A.

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 #4.* 

IGNITION COIL #4.

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-76B.

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 #4.

ABOVE 1.0 VOLT?

IGNITION COIL 

RELAY. 

DRIVE #4 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-76A ON THE

NEXT PAGE.

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261

TEST TC-76A

CONTINUED - REPAIRING - IGNITION COIL #4 PRIMARY CIRCUIT

FIG. 1

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TEST TC-76A

CONTINUED - REPAIRING - IGNITION COIL #4 PRIMARY CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-76A 

REMOVE IGNITION COIL 

CONTINUED FROM #4 

AND SUBSTITUDE 

THE PREVIOUS WITH 

A KNOWN GOOD 

PAGE.

IGNITION COIL 

FIG. 1

DID THE IGNITION 

USING A DRB, CHECK

COIL #4 PRIMARY

NO 

REPLACE THE

FOR TROUBLE CODES. 

CIRCUIT TROUBLE

IGNITION COIL #4.* 

CODE RESET. 

YES

REPLACE THE

POWERTRAIN CONTROL

MODULE.* 

USING THE DRB, 

CLEAR THE TROUBLE

CODE.

TEST DRIVE

VEHICLE. 

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