Chrysler New Yorker. Manual — part 586

TEST TC-40C

REPAIRING - NO CRANK REFERENCE SIGNAL AT PCM

FIG. 1

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TEST TC-40C

REPAIRING - NO CRANK REFERENCE SIGNAL AT PCM

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

REMOVE THE

START TEST CRANKSHAFT

POSITION

TC-40C.

(CKP) SENSOR HARNESS

CONNECTOR.

FIG. 1

INSPECT THE

IS THE FLYWHEEL

YES

REPAIR AS

FLYWHEEL FOR

DAMAGED?

NECESSARY.*

DAMAGE.

NO

REPLACE THE

CRANKSHAFT

POSITION SENSOR.*

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TEST TC-40D

REPAIRING - NO CRANK REFERENCE SIGNAL AT PCM

Perform TEST TC-40A Before Proceeding

FIG. 1

FIG. 2

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182

TEST TC-40D

REPAIRING - NO CRANK REFERENCE SIGNAL AT PCM

Perform TEST TC-40A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TURN IGNITION OFF.

START TEST DISCONNECT

THE CKP

TC-40D.

SENSOR HARNESS

CONNECTOR.**

SEE GENERAL INFO 4.4

KEY ON. USING A

VOLTMETER, MEASURE

IS THE VOLTAGE

NO

REPAIR THE OPEN IN

VOLTAGE OF THE

ABOVE 7.0 VOLTS?

THE 8-VOLT SUPPLY

8-VOLT SUPPLY

CIRCUIT.*

CIRCUIT. FIG. 1

YES

DISCONNECT THE CMP

CIRCUIT IN THE CKP

SENSOR.

SENSOR CONNECTOR.

IS THE VOLTAGE

YES

REPLACE THE

USING A VOLTMETER, ABOVE 7.0 VOLTS?

CAMSHAFT

POSITION

MEASURE THE 8-VOLT

SENSOR.*

SUPPLY...

FIG. 1

NO

DISCONNECT THE

POWERTRAIN CONTROL

TURN IGNITION OFF.

MODULE HARNESS

CONNECTOR.**

SEE GENERAL INFO 4.1

USING AN OHMMETER,

CIRCUIT AND GROUND

REPAIR THE 8-VOLT

MEASURE BETWEEN

AT THE CKP SENSOR

IS THE RESISTANCE

NO

SUPPLY CIRCUIT FOR

THE 8-VOLT CONNECTOR.

BELOW 5.0 OHMS?

A SHORT TO

SUPPLY...

GROUND.*

FIG. 1

YES

FROM THE CKP

USING AN OHMMETER

SENSOR CONNECTOR

IS THE RESISTANCE

NO

REPAIR THE OPEN

MEASURE THE 8-VOLT

TO THE PCM

BELOW 5.0 OHMS?

8-VOLT SUPPLY

SUPPLY CIRCUIT...

CONNECTOR.

CIRCUIT.*

FIG. 2

YES

TURN IGNITION OFF.

USING AN OHMMETER,

CKP AND CMP SENSOR MEASURE THE SENSOR IS

THE RESISTANCE

NO

REPAIR

THE OPEN

HARNESS CONNECTORS

GROUND CIRCUIT TO

BELOW 5.0 OHMS?

SENSOR GROUND

STILL

GROUND.

CIRCUIT.

DISCONNECTED.

FIG. 1

YES

TEST THE POWER AND
GROUND CIRCUITS AT

REPLACE THE

THE PCM BEFORE THE

POWERTRAIN CONTROL

NEXT REPAIR.*

MODULE.*

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