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.*

T

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B

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D

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37

TEST TC-1B

REPAIRING - NO CAM SIGNAL AT PCM

Perform TEST TC-1A Before Proceeding

FIG. 1

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B

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D

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38

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.*

T

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B

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D

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S

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