P0016–CRANKSHAFT / CAMSHAFT TIMING MISALIGNMENT

For a complete wiring diagram Refer to Section 8W.

When Monitored:
Engine cranking and Engine running
Set Condition:
Powertrain Control Module detects an error when the camshaft position is out of phase with the crankshaft position. One Trip Fault. Three good trips to turn off the MIL.

Possible Causes

ERRATIC CAM POSITION SENSOR SIGNAL

CAMSHAFT POSITION SENSOR TONE WHEEL/PULSE RING

ERRATIC CRANKSHAFT POSITION SENSOR SIGNAL

CRANKSHAFT POSITION SENSOR TONE WHEEL/PULSE RING

CAMSHAFT POSITION SENSOR

CRANKSHAFT POSITION SENSOR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

Diagnostic Test

1.ACTIVE DTC

WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death.

Does the P0016 return?

Yes

Go To 2

Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

2.CHECKING THE CMP SIGNAL WITH A LAB SCOPE

Are there any irregular or missing signals?

Yes

Go To 3

Go To 6

3.CMP WIRE HARNESS INSPECTION

Were any of the above conditions present?

Yes

Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Go To 4

4.TONE WHEEL/PULSE RING INSPECTION

Were any problems found?

Yes

Repair or replace the Tone Wheel/Pulse Ring as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Go To 5

5.CAMSHAFT POSITION SENSOR

If there are no possible causes remaining, view repair.

Repair

Replace the Camshaft Position Sensor.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

6.ERRATIC CMP SIGNAL

Does the P0016 return?

Yes

Repair the wiring/connector concerns as needed or replace the Camshaft Position Sensor.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Go To 7

7.CHECKING THE CKP SIGNAL WITH A LAB SCOPE

Are there any irregular or missing signals?

Yes

Go To 8

Go To 10

8.CKP WIRE HARNESS INSPECTION

Were any of the above conditions present?

Yes

Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Go To 9

9.TONE WHEEL/FLEX PLATE INSPECTION

Were any problems found?

Yes

Repair or replace the Tone Wheel/Flex Plate as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Replace the Crankshaft Position Sensor.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE).

10.ERRATIC CKP SIGNAL

NOTE: The conditions that set this DTC are not present at this time. The following test may help in identifying the intermittent condition.

Were any problems found?

Yes

Repair the wiring/connector concerns as needed or replace the Crankshaft Position Sensor.
Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Test Complete.