Intention of troubleshooting procedure

WARNING: This page is about a different variant/trim than selected.

Step 1-3
- Perform an inspection of the connectors and wiring harnesses between the battery positive terminal and electric variable valve timing relay and the electric variable valve timing motor/driver.
Step 4
- Perform a unit inspection of the electric variable valve timing relay.
Step 5-7
- Perform an inspection of the electric variable valve timing drive parts.
Step 8-9
- Inspect the intake CMP sensor and CKP sensor detection areas for adhesion of foreign matter.
Repair completion verification
- Verify that the primary malfunction is resolved and there are no other malfunctions.

P0012-00 (PCM (PYUL)) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	PURPOSE: INSPECT WIRING HARNESS (INCLUDING CONNECTOR/TERMINAL) BETWEEN BATTERY AND ELECTRIC VARIABLE VALVE TIMING RELAY FOR MALFUNCTION Inspect the applicable circuit. (See CIRCUIT INSPECTION ) (See CONNECTOR INSPECTION ) Is the circuit normal?	Yes	Go to the next step.
1		No	Repair or replace the malfunctioning location and perform the repair completion verification 1.
2	PURPOSE: INSPECT WIRING HARNESS (INCLUDING CONNECTOR/TERMINAL) BETWEEN ELECTRIC VARIABLE VALVE TIMING RELAY AND ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER FOR MALFUNCTION Inspect the applicable circuit. (See CIRCUIT INSPECTION ) (See CONNECTOR INSPECTION ) Is the circuit normal?	Yes	Go to the next step.
2		No	Repair or replace the malfunctioning location and perform the repair completion verification 1.
3	PURPOSE: VERIFY PCM CONNECTOR FOR MALFUNCTION Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION ) Are the connector and terminal normal?	Yes	Go to the next step.
3		No	Repair or replace the malfunctioning location and perform the repair completion verification 1.
4	PURPOSE: VERIFY ELECTRIC VARIABLE VALVE TIMING RELAY FOR MALFUNCTION Inspect the electric variable valve timing relay. (Refer to [RELAY LOCATION ] in Service Information). (Refer to [RELAY INSPECTION ] in Service Information). Is the part normal?	Yes	Go to the next step.
4		No	Replace the electric variable valve timing relay and perform the repair completion verification 1. (Refer to [RELAY LOCATION ] in Service Information).
5	PURPOSE: VERIFY ELECTRIC VARIABLE VALVE TIMING MOTOR FOR MALFUNCTION Inspect the applicable part. (Refer to [ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER INSPECTION ] in Service Information). Is the part normal?	Yes	Go to the next step.
5		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (Refer to [ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER REMOVAL/INSTALLATION ] in Service Information).
6	PURPOSE: VERIFY ELECTRIC VARIABLE VALVE TIMING ACTUATOR FOR MALFUNCTION Inspect the applicable part. (Refer to [ELECTRIC VARIABLE VALVE TIMING ACTUATOR INSPECTION ] in Service Information). Is the part normal?	Yes	Go to the next step.
6		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (Refer to [ELECTRIC VARIABLE VALVE TIMING ACTUATOR REMOVAL/INSTALLATION ] in Service Information).
7	PURPOSE: VERIFY ASSEMBLY CONDITION OF TIMING CHAIN Verify the condition of the timing chain assembly (intake valve timing, looseness, jumping). (Refer to [TIMING CHAIN REMOVAL/INSTALLATION ] in Service Information). Is there any malfunction?	Yes	Repair or replace the malfunctioning part. Assemble the timing chain using the correct timing. (Refer to [TIMING CHAIN REMOVAL/INSTALLATION ] in Service Information). Perform the repair completion verification 1.
7		No	Go to the next step.
8	PURPOSE: VERIFY IF FOREIGN MATTER ON INTAKE CMP SENSOR DETECTION AREA AFFECTS DIAGNOSTIC RESULTS Visually inspect for intake CMP sensor. (Refer to [CAMSHAFT POSITION (CMP) SENSOR INSPECTION ] in Service Information). Is there foreign matter such as metallic dust on the intake CMP sensor detection area?	Yes	Remove the foreign matter and perform the repair completion verification 1.
8		No	Go to the next step.
9	PURPOSE: VERIFY IF FOREIGN MATTER ON CKP SENSOR DETECTION AREA AFFECTS DIAGNOSTIC RESULTS Visually inspect for CKP sensor. (Refer to [CRANKSHAFT POSITION (CKP) SENSOR INSPECTION ] in Service Information). Is there foreign matter such as metallic dust on the CKP sensor detection area?	Yes	Remove the foreign matter and perform the repair completion verification 1.
9		No	Go to the next step.
Repair completion verification 1	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. Implement the repeatability verification procedure. (See Repeatability Verification Procedure ) Perform the DTC inspection for the PCM. (See DTC INSPECTION ) Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] ) 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. (Refer to [PCM REMOVAL/INSTALLATION ] in Service Information).
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	PURPOSE: VERIFY IF OTHER DTCs DISPLAYED Perform the DTC inspection. (See DTC INSPECTION ) Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning location according to the applicable DTC troubleshooting.
Repair completion verification 2		No	DTC troubleshooting completed.