Chrysler New Yorker. Manual - part 550

TEST TC-1A

CONTINUED - REPAIRING NO CAM SIGNAL AT PCM

FIG. 1

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TEST TC-1A

CONTINUED - REPAIRING - NO CAM SIGNAL AT PCM

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-1A

KEY OFF, CHECK

REPAIR THE OPEN 

CONTINUED FROM 

SENSOR GROUND WITH 

DOES THE TEST 

NO 

CMP SENSOR GROUND 

THE PREVIOUS 

A 12 VOLT TEST 

LIGHT ILLUMINATE 

CIRCUIT TO THE

PAGE.

LIGHT. BRIGHT?

HARNESS SPLICE.* 

YES

DISCONNECT THE

POWERTRAIN CONTROL

MODULE HARNESS
CONNECTORS.**

SEE GENERAL INFO 4.1

USING AN OHMMETER IN 

CIRCUIT FROM THE CMP

THE FOLLOWING STEPS, 

SENSOR CONNECTOR TO 

IS THE RESISTANCE 

NO 

REPAIR THE OPEN 

MEASURE THE

THE PCM. BELOW 5.0 OHMS?

CMP SENSOR 

SIGNAL 

RESISTANCE OF THE

CIRCUIT.*

CMP SENSOR SIGNAL...

FIG. 1

YES

MEASURE THE

FROM THE CMP SENSOR 

REPAIR THE CMP

RESISTANCE OF THE

CONNECTOR TO THE

IS THE RESISTANCE 

YES

SENSOR SIGNAL 

CMP SENSOR SIGNAL 

SENSOR GROUND .

BELOW 5.0 OHMS?

CIRCUIT FOR A

CIRCUIT... 

SHORT TO THE

FIG. 1

SENSOR GROUND.* 

NO 

MEASURE THE

FROM THE CMP

REPAIR THE CMP

RESISTANCE OF THE

SENSOR CONNECTOR

IS THE RESISTANCE 

YES

SENSOR SIGNAL 

CMP SENSOR SIGNAL 

TO A GOOD GROUND.

BELOW 5.0 OHMS?

CIRCUIT FOR A

CIRCUIT... 

SHORT TO GROUND.* 

FIG. 1

NO 

MEASURE THE

AND THE 8-VOLT REPAIR 

THE CMP

RESISTANCE BETWEEN

SUPPLY CIRCUIT AT 

IS THE RESISTANCE 

YES

SENSOR SIGNAL 

THE CMP SENSOR THE CMP SENSOR 

BELOW 5.0 OHMS?

CIRCUIT FOR A SHORT

SIGNAL CIRCUIT... 

CONNECTOR. 

TO THE 8-VOLT SUPPLY 

FIG. 1

CIRCUIT.*

NO 

REPLACE THE

POWERTRAIN CONTROL

MODULE.* 

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TEST TC-1B

REPAIRING - NO CAM SIGNAL AT PCM

Perform TEST TC-1A Before Proceeding

FIG. 1

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TEST TC-1B

REPAIRING - NO CAM SIGNAL AT PCM

Perform TEST TC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

MEASURE THE

START TEST RESISTANCE 

BETWEEN

TC-1B. THE CMP SENSOR 

SIGNAL CIRCUIT... 

AND THE 8-VOLT 

REPAIR THE CMP

SUPPLY CIRCUIT AT 

IS THE RESISTANCE 

YES

SENSOR SIGNAL 

THE CMP SENSOR BELOW 5.0 OHMS?

CIRCUIT FOR A SHORT

CONNECTOR. 

TO THE 8-VOLT SUPPLY 

CIRCUIT.*

NO 

REMOVE THE CAMSHAFT 

INSPECT THE

POSITION SENSOR.

CAMSHAFT SPROCKET 

IS THE CAMSHAFT 

NO 

REPAIR AS 

PER SERVICE MANUAL SPROCKET 

OKAY?

NECESSARY.*

INSTRUCTIONS.

FIG. 1

YES

REPLACE THE

CAMSHAFT POSITION 

SENSOR.* 

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