P0016-CRANKSHAFT/CAMSHAFT TIMING MISALIGNMENT - BANK 1 SENSOR 1
For a complete wiring diagram, refer to the Wiring Information.
When Monitored and Set Conditions
When Monitored: This diagnostic runs continuously when the following conditions are met:
With the engine speed between 480 and 6816 rpm.
No CMP or CKP sensor DTCs detected.
Set Conditions:
The deviation between the camshaft position and the crankshaft position has exceeded the maximum acceptable value.
Default Actions:
MIL is illuminated on the first trip that the diagnostic fails.
The MIL will be turned off on the third consecutive trip that the diagnostic passes.
Possible Causes
CRANKSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS
CAMSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS
VVT SOLENOID
CRANKSHAFT, TONE WHEEL OR FLEX PLATE
CAMSHAFT, TONE WHEEL OR PULSE RING
TIMING GEAR ALIGNMENT
CRANKSHAFT POSITION SENSOR
CAMSHAFT POSITION SENSOR
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
1. CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read DTCs.
3. Record the related Freeze Frame data.
4. With the scan tool, erase DTCs.
5. Start the engine and allow it to reach operating temperature.
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 may result in possible serious or fatal injury.
6. With the scan tool read DTCs.
NOTE: If the DTC does not reset it may be necessary to test drive the vehicle.
Is the DTC active?
Yes, non VCT vehicles
Go To 3
Yes, vehicles with VCT
Go To 2
No
Perform the INTERMITTENT DTC diagnostic procedure. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
2. CAMSHAFT POSITION SOLENOID CLEANING
1. With the scan tool perform the Exhaust Phaser 1 Cleaning function.
Did the DTC reset?
Yes
Go To 3
No
Perform the INTERMITTENT DTC diagnostic procedure. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
3. CAMSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft Position Sensor and the Powertrain Control Module (PCM).
2. Look for any chafed, pierced, pinched or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals.
4. Inspect the Camshaft Position Sensor for conditions such as loose mounting screws, damage or cracks.
Were any problems found?
Yes
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Go To 4
4. CRANKSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the CKP sensor and the PCM.
2. Verify there is good pin to terminal contact in the CKP sensor and PCM connectors.
3. Look for any chafed, pierced, pinched or partially broken wires.
4. Look for broken, bent, pushed out or corroded terminals.
5. Inspect the CKP sensor for conditions such as loose mounting screws, damage or cracks.
Were any problems found?
Yes
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Go To 5
5. CRANKSHAFT, TONE WHEEL OR FLEX PLATE
1. Turn the ignition off.
2. Remove the Crankshaft Position Sensor.
3. Inspect the Crankshaft Position Sensor and mounting area for any condition that would result in an incorrect signal, such as damage, evidence of foreign material or excessive movement.
Were any problems found?
Yes
Repair as necessary in accordance with the Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Go To 6
6. CAMSHAFT, TONE WHEEL OR PULSE RING
1. Turn the ignition off.
2. Remove the Camshaft Position Sensor.
3. Inspect the Camshaft Position Sensor and mounting area for any condition that would result in an incorrect signal, such as damage, evidence of foreign material or excessive movement.
Were any problems found?
Yes
Repair as necessary in accordance with the Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Go To 7
7. TIMING CHAIN AND SPROCKET MISALIGNMENT
1. Turn the ignition off.
2. Verify proper timing chain and sprocket alignment in accordance with the Service Information. (Refer to 09 - Engine/Valve Timing/CHAIN and SPROCKETS, Timing - Installation) .
Were any problems found?
Yes
Repair as necessary in accordance with the Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Go To 8
8. CAMSHAFT POSITION SENSOR IRREGULAR SIGNAL
1. Turn the ignition off.
2. Install any previously removed components. Connect all connectors.
3. Using a lab scope and an appropriate terminal probing tool, backprobe the (K44) CMP Signal circuit in the Camshaft Position Sensor harness connector.
4. Turn the ignition on.
5. Wiggle the related wire harness and lightly tap on the Camshaft Position Sensor while monitoring the lab scope screen.
6. Start the engine.
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 may result in possible serious or fatal injury.
7. Monitor the Camshaft Position Sensor signal on the lab scope screen.
Were any Camshaft Position Sensor signals irregular or missing?
Yes
Go To 10
No
Go To 9
9. CRANKSHAFT POSITION SENSOR IRREGULAR SIGNAL
1. Turn the ignition off.
2. Using a lab scope and an appropriate terminal probing tool, back probe the (K24) CKP Signal circuit in the Crankshaft Position Sensor harness connector.
3. Turn the ignition on.
4. Wiggle the related wire harness and lightly tap on the Crankshaft Position Sensor while monitoring the lab scope screen.
5. Start the engine.
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 may result in possible serious or fatal injury.
6. Monitor the Crankshaft Position Sensor signal on the lab scope screen.
Were any Crankshaft Position Sensor signals irregular or missing?
Yes
Go To 11
No
Go To 12
10. CAMSHAFT POSITION SENSOR
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft Position Sensor and the Powertrain Control Module (PCM).
2. Look for any chafed, pierced, pinched or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals.
Were any problems found?
Yes
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Replace the Camshaft Position Sensor in accordance with the Service Information. (Refer to 08 - Electrical/8I - Ignition Control/SENSOR, Camshaft Position - Removal) .
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
11. CRANKSHAFT POSITION SENSOR
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Crankshaft Position Sensor and the Powertrain Control Module (PCM).
2. Look for any chafed, pierced, pinched or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals.
Were any problems found?
Yes
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Replace the Crankshaft Position Sensor in accordance with the Service Information. (Refer to 14 - Fuel System/Fuel Injection/SENSOR, Crankshaft Position - Removal) .
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
12. POWERTRAIN CONTROL MODULE (PCM)
1. Turn the ignition on.
2. With the scan tool erase DTCs.
3. Start the engine.
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 may result in possible serious or fatal injury.
4. Monitor the scan tool data relative to this circuit and wiggle test the wiring and connectors.
5. Turn the ignition off.
6. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft Position Sensor and the Powertrain Control Module (PCM) and between the Camshaft Position Sensor and the Powertrain Control Module (PCM).
7. Look for any chafed, pierced, pinched or partially broken wires.
8. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the Sensor and Control Module connectors.
9. Look for the data to change or for the DTC to reset during the wiggle test.
10. Perform any Service Bulletins that may apply.
Were any problems found?
Yes
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
No
Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. (Refer to 08 - Electrical/8E - Electronic Control Modules/MODULE, Powertrain Control - Removal) .
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).