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P0016 - Crankshaft / Camshaft Timing Misalignment - Bank 1 Sensor 1

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Mopar1973Man

By Mopar1973Man

P0016 - Crankshaft / Camshaft Timing Misalignment - Bank 1 Sensor 1

Theory of Operation

The Crankshaft Position (CKP) and Camshaft Position (CMP) Sensors are hall effect type sensors. The Powertrain Control Module (PCM) provides a 5-Volt supply to the position sensor and return circuit. A notch on the crankshaft gear is used to determine the speed of the engine by the PCM. As the notch on the crankshaft speed ring or the windows in the back of the camshaft gear move past the position sensor, a signal is generated on the position sensor circuit. The PCM interprets this signal and converts it to an engine speed.

When Monitored and Set Conditions

When Monitored: This diagnostic runs continuously when the following conditions are met:
• With the engine running.

Set Conditions:

• The Powertrain Control Module (PCM) has detected that the CKP and CMP sensor values are not aligned and out of sync.

Default Actions:

• The MIL will illuminate.

Possible Causes

DAMAGE TO THE CRANKSHAFT POSITION SENSOR (CKP) OR CAMSHAFT POSITION SENSOR (CMP)

DAMAGED TONE WHEEL

MECHANICAL MISALIGNMENT OF THE CKP OR CMP

MECHANICAL MISALIGNMENT OF THE CRANKSHAFT AND CAMSHAFT GEARS

1.DAMAGE TO THE CKP OR CMP

1. Visually inspect the condition of the tone wheel, CKP, and CMP for damage. Are any of the components damaged?

Yes

• Repair or replace any damaged component.

• Perform the POWERTRAIN VERIFICATION TEST - 6.7L. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).

 

No

• Go To 2

2.MECHANICAL MISALIGNMENT OF THE CKP OR CMP

1. Verify the tone wheel is properly positioned relative to the locating pin in the front face of the crankshaft.

Is the tone wheel properly installed?

Yes

• Go To 3

No

• Repair the tone wheel installation. • Perform the POWERTRAIN VERIFICATION TEST - 6.7L. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).

3.MECHANICAL MISALIGNMENT OF THE CRANKSHAFT AND CAMSHAFT GEARS

1. Check the mechanical alignment of the camshaft gear to the crankshaft gear. Refer to service manual for assistance.

 

Are the gear teeth in proper alignment?

 

Yes

• Perform the INTERMITTENT CONDITION diagnostic procedure. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).

No

• Repair the gear alignment. • Perform the POWERTRAIN VERIFICATION TEST - 6.7L. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).

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