DTC P0014:00 [PCM (SKYACTIV-G (WITH CYLINDER DEACTIVATION (US)))]
DTC P0014:00 [PCM (SKYACTIV-G (WITH CYLINDER DEACTIVATION (US)))]
SM2565512
id0102t40080u4
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Note
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• To determine the malfunctioning part, proceed with the diagnostics from “Function Inspection Using M-MDS”.
Details On DTCs
Description |
Hydraulic variable valve timing control system: over-advanced |
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Detection condition
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Determination conditions
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• For the advance amount from the maximum exhaust valve retard position, a condition in which the actual advance amount is larger than the target value continues for a specified period of time.
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Preconditions
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• Engine oil temperature: 20 °C {68 °F} or more *1
• Hydraulic variable valve timing control: feedback mode
• The following DTCs are not detected:
*1: Standard can be verified by displaying PIDs using M-MDS
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Malfunction determination period
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• 5 s period
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Drive cycle
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• 2
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Self test type
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• CMDTC self test
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Sensor used
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• CKP sensor
• Exhaust CMP sensor
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Fail-safe function
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• Not applicable
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Vehicle status when DTCs are output
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• Not applicable
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Possible cause
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• OCV for hydraulic variable valve timing system malfunction
• Low engine oil level
• Hydraulic variable valve timing actuator malfunction
• Timing chain malfunction
• Mis-detection of exhaust CMP sensor
• Engine oil malfunction
• PCM malfunction
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System Wiring Diagram
Function Explanation (DTC Detection Outline)
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Repeatability Verification Procedure
PID Item/Simulation Item Used In Diagnosis
PID/DATA monitor item table
PIDs |
Reference |
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VLV_TIMING_ACT_EX
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VLV_TIMING_DSD_EX
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Function Inspection Using M-MDS
Step |
Inspection |
Results |
Action |
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1
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PURPOSE: VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY
• Verify related Service Bulletins, on-line repair information, or Service Information availability.
• Is any related Information available?
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Yes
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Perform repair or diagnosis according to the available information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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2
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PURPOSE: RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
• Record the freeze frame data/snapshot data.
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—
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Go to the next step.
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3
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PURPOSE: INSPECT FOR OTHER RELATED DTCs
• Perform the DTC inspection for the PCM. (See DTC INSPECTION.)
• Are any of the following DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
Go to the next step.
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No
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Go to the next step.
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4
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PURPOSE: VERIFY IF DIAGNOSTIC RESULT IS AFFECTED BY DTC OCCURRING FROM ENGINE OIL PRESSURE
• Perform the DTC inspection for the PCM. (See DTC INSPECTION.)
• Are any of the following DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
Go to the next step.
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No
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Go to the next step.
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5
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PURPOSE: VERIFY CONFORMITY OF ACTUAL EXHAUST VALVE TIMING AND DETERMINE IF MALFUNCTION IS CAUSED BY OCV FOR HYDRAULIC VARIABLE VALVE TIMING SYSTEM OR CONNECTOR RELATED
• Start the engine and idle it.
• Access the following PIDs using the M-MDS: (See PID/DATA MONITOR INSPECTION.)
• Implement the repeatability verification procedure. (See Repeatability Verification Procedure.)
• Does the monitor value of the PID item VLV_TIMING_ACT_EX conform to the VLV_TIMING_DSD_EX PID value?
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Yes
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Go to the next step.
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No
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Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
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6
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PURPOSE: VERIFY CONNECTOR CONNECTIONS
• Start the engine.
• Access the VLV_TIMING_ACT_EX PID using the M-MDS. (See PID/DATA MONITOR INSPECTION.)
• Does the PID value fluctuate when the following connectors are shaken?
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Yes
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Repair or replace the applicable wiring harness or connector parts.
Go to Troubleshooting Diagnostic Procedure to perform the repair completion verification.
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No
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Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
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Troubleshooting Diagnostic Procedure
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― Perform a unit inspection of the OCV for hydraulic variable valve timing system.
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― Verify engine oil level.
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― Perform an inspection of the hydraulic variable valve timing drive parts.
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― Inspect the exhaust CMP sensor detection areas for adhesion of foreign matter.
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― Perform an engine oil related inspection.
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― Verify that the primary malfunction is resolved and there are no other malfunctions.
Step |
Inspection |
Results |
Action |
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1
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PURPOSE: VERIFY IF SPOOL VALVE IN OCV FOR HYDRAULIC VARIABLE VALVE TIMING SYSTEM IS STUCK
• Switch the ignition off.
• Remove the OCV for hydraulic variable valve timing system. (See OCV FOR HYDRAULIC VARIABLE VALVE TIMING SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
• Inspect the OCV for hydraulic variable valve timing system. (See OCV FOR HYDRAULIC VARIABLE VALVE TIMING SYSTEM INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
• Can the spool valve in OCV for hydraulic variable valve timing system operation be verified?
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Yes
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Go to the next step.
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No
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Replace the OCV for hydraulic variable valve timing system and perform the repair completion verification.
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2
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PURPOSE: INSPECT ENGINE OIL LEVEL
• Inspect the engine oil level. (See ENGINE OIL LEVEL INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
• Is the engine oil level sufficient?
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Yes
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Go to the next step.
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No
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Add genuine motor oil and perform the repair completion verification.
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3
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PURPOSE: DETERMINE INTEGRITY OF HYDRAULIC VARIABLE VALVE TIMING ACTUATOR
• Inspect the hydraulic variable valve timing actuator. (See HYDRAULIC VARIABLE VALVE TIMING ACTUATOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
• Is there any malfunction?
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Yes
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Replace the hydraulic variable valve timing actuator and perform the repair completion verification.
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No
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Go to the next step.
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4
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PURPOSE: VERIFY ASSEMBLY CONDITION OF TIMING CHAIN
• Verify the condition of the timing chain assembly (exhaust valve timing, looseness, jumping). (See TIMING CHAIN REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
• Is there any malfunction?
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Yes
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Repair or replace the malfunctioning part.
Assemble the timing chain using the correct timing.
Go to repair completion verification.
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No
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Go to the next step.
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5
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PURPOSE: VERIFY IF FOREIGN MATTER ON EXHAUST CMP SENSOR DETECTION AREA AFFECTS DIAGNOSTIC RESULTS
• Visually inspect for exhaust CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
• Is there foreign matter such as metallic dust on the exhaust CMP sensor detection area?
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Yes
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Remove the foreign matter and perform the repair completion verification.
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No
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Go to the next step.
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6
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PURPOSE: INSPECT IF INSUFFICIENT HYDRAULIC PRESSURE CAUSED BY USE OF UNSPECIFIED ENGINE OIL
• Is the specified engine oil being used?
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Yes
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Go to the next step.
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No
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Replace the engine oil with genuine motor oil and perform the repair completion verification.
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7
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PURPOSE: INSPECT ENGINE OIL PRESSURE
• Inspect the engine oil pressure. (See OIL PRESSURE INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
• Is there any malfunction?
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Yes
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Go to the next step.
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No
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Go to repair completion verification.
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8
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PURPOSE: VERIFY IF MALFUNCTION RELATED TO ENGINE OIL LEAK OR RESTRICTION AFFECTS DIAGNOSTIC RESULTS
• Start the engine.
• Verify if there is engine oil leakage in the oil passage or restriction.
• Is there engine oil leakage in the oil passage or restriction?
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Yes
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Repair or replace the malfunctioning location.
Add genuine motor oil and perform the repair completion verification.
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No
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Go to the next step.
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Repair completion verification 1
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PURPOSE: VERIFY THAT VEHICLE IS REPAIRED
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Clear the DTC recorded in the memory. (See CLEARING DTC.)
• Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
• Perform the DTC inspection for the PCM. (See DTC INSPECTION.)
• Is the same Pending DTC present?
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Yes
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
• If the malfunction recurs, replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].)
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No
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Go to the next step.
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Repair completion verification 2
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PURPOSE: VERIFY IF OTHER DTCs DISPLAYED
• Perform the DTC inspection. (See DTC INSPECTION.)
• Are any other DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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