Manual pages - MX5 Manual | Mazda MX5 (Mk4) 2015+

DTC P0010:00 [PCM (SKYACTIV-G 2.0)]

DTC P0010:00	Electric variable valve timing control circuit range/performance problem
DETECTION CONDITION	Any one of the following conditions is met: A malfunction is detected in the results of the on-board diagnostic test received from the electric variable valve timing driver. The motor speed signal received from the electric variable valve timing driver is in error. Diagnostic support note This is a continuous monitor (CCM). The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle. FREEZE FRAME DATA/Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Stops activation of the electric variable valve timing driver.
POSSIBLE CAUSE	Electric variable valve timing motor/driver connectors or terminals malfunction Electric variable valve timing relay malfunction Short to ground or open circuit in electric variable valve timing relay power supply circuit Short to ground in wiring harness between MAIN 200 A fuse and electric variable valve timing relay terminal D MAIN 200 A fuse and/or EVVT 20 A fuse malfunction Open circuit in wiring harness between battery positive terminal and electric variable valve timing relay terminal D Short to ground in wiring harness between the following terminals: Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 1E Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 2B Short to power supply in wiring harness between the following terminals: Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 1E Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 2B Open circuit in wiring harness between the following terminals: Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 1E Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 2B Open circuit in wiring harness between electric variable valve timing motor/driver terminal 2A and body ground Short to ground in wiring harness between the following terminals: Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE PCM connector or terminals malfunction Short to power supply in wiring harness between the following terminals: Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE Electric variable valve timing motor/driver circuits are shorted to each other Open circuit in wiring harness between the following terminals: Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE Electric variable valve timing driver malfunction Electric variable valve timing motor malfunction PCM malfunction

CAUTION:

Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.

Related PIDs

Item (definition)

Unit/Condition

Definition

Condition/Specification (Reference)

VT_IN_ACT

°(deg)

Actual intake variable valve timing control

Advance amount from max retard position

Displays actual intake variable valve timing—advance amount from max retard position

Ignition switched ON (engine off)

Approx. 28 ° (ECT is 89 °C {192 °F})

Idle (after warm up)

Approx. 24.75 ° (ECT is 91 °C {196 °F})

Racing (engine speed is 2,000 rpm)

Approx. 18.62 ° (ECT is 89 °C {192 °F})

Racing (engine speed is 4,000 rpm)

Approx. 0.18 ° (ECT is 88 °C {190 °F})

VT_IN_DES

°(deg)

Target intake variable valve timing control

Advance amount from max retard position

Displays target intake variable valve timing—advance amount from max retard position

Ignition switched ON (engine off)

Approx. 27.81 ° (ECT is 89 °C {192 °F})

Idle (after warm up)

Approx. 24.56 ° (ECT is 91 °C {196 °F})

Racing (engine speed is 2,000 rpm)

Approx. 18.62 ° (ECT is 89 °C {192 °F})

Racing (engine speed is 4,000 rpm)

Approx. 0 ° (ECT is 88 °C {190 °F})

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION NOTE: Recording can be facilitated using the screen capture function of the PC. Record the FREEZE FRAME DATA/snapshot data on the repair order.	—	Go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
		No	Go to the next step.
3	VERIFY RELATED PENDING CODE AND/OR DTC Switch the ignition off, then ON (engine off). Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)].) Is the PENDING CODE/DTC P1380:00 also present?	Yes	Go to the applicable PENDING CODE or DTC inspection. (See DTC P1380:00 [PCM (SKYACTIV-G 2.0)].)
		No	Go to the next step.
4	INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER CONNECTOR CONDITION Switch the ignition off. Disconnect the electric variable valve timing motor/driver connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 19.
		No	Go to the next step.
5	DETERMINE IF MALFUNCTION CAUSE IS ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER POWER SUPPLY CIRCUIT OR OTHER Verify that the electric variable valve timing motor/driver connector is disconnected. Start the engine. Measure the voltage at the following terminals (wiring harness-side): Electric variable valve timing motor/driver terminal 1E Electric variable valve timing motor/driver terminal 2B Is the voltage B+?	Yes	Go to Step 11.
		No	Go to the next step.
6	INSPECT ELECTRIC VARIABLE VALVE TIMING RELAY Switch the ignition off. Remove the electric variable valve timing relay. (See RELAY LOCATION.) Inspect the electric variable valve timing relay. (See RELAY INSPECTION.) Is there any malfunction?	Yes	Replace the electric variable valve timing relay, then go to Step 19.
		No	Go to the next step.
7	INSPECT ELECTRIC VARIABLE VALVE TIMING RELAY POWER SUPPLY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT Electric variable valve timing relay is removed. Verify that the electric variable valve timing motor/driver connector is disconnected. Measure the voltage at the electric variable valve timing relay terminal D (wiring harness-side). Is the voltage B+?	Yes	Go to the next step.
		No	Inspect the MAIN 200 A fuse and EVVT 20 A fuse. If the fuse is blown: Refer to the wiring diagram and verify whether or not there is a common connector between MAIN 200 A fuse and electric variable valve timing relay terminal D. If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to ground. Replace the malfunctioning fuse. If the fuse is damaged: Replace the malfunctioning fuse. If all fuses are normal: Refer to the wiring diagram and verify whether or not there is a common connector between battery positive terminal and electric variable valve timing relay terminal D. If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has an open circuit. Go to Step 19.
8	INSPECT ELECTRIC VARIABLE VALVE TIMING RELAY CONTROL CIRCUIT FOR SHORT TO GROUND Electric variable valve timing relay is removed. Verify that the electric variable valve timing motor/driver connector is disconnected. Inspect for continuity between electric variable valve timing relay terminal C (wiring harness-side) and body ground. Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 1E Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 2B If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to ground. Go to Step 19.
		No	Go to the next step.
9	INSPECT ELECTRIC VARIABLE VALVE TIMING RELAY CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY Electric variable valve timing relay is removed. Verify that the electric variable valve timing motor/driver connector is disconnected. Switch the ignition ON (engine off). NOTE: Another DTC may be stored by the PCM detecting an open circuit. Measure the voltage at the electric variable valve timing relay terminal C (wiring harness-side). Is the voltage 0 V?	Yes	Go to the next step.
		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 1E Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 2B If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to power supply. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to power supply. Go to Step 19.
10	INSPECT ELECTRIC VARIABLE VALVE TIMING RELAY CONTROL CIRCUIT FOR OPEN CIRCUIT Electric variable valve timing relay is removed. Verify that the electric variable valve timing motor/driver connector is disconnected. Switch the ignition off. Inspect for continuity between the following terminals (wiring harness-side): Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 1E Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 2B Is there continuity?	Yes	Go to Step 19.
		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 1E Electric variable valve timing relay terminal C—Electric variable valve timing motor/driver terminal 2B If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has an open circuit. Go to Step 19.
11	INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER GROUND CIRCUIT FOR OPEN CIRCUIT Verify that the electric variable valve timing motor/driver connector is disconnected. Switch the ignition off. Inspect for continuity between electric variable valve timing motor/driver terminal 2A (wiring harness-side) and body ground. Is there continuity?	Yes	Go to the next step.
		No	Refer to the wiring diagram and verify whether or not there is a common connector between electric variable valve timing motor/driver terminal 2A and body ground. If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. Repair or replace the malfunctioning part. If there is no common connector: Inspect for the following: Open circuit between electric variable valve timing motor/driver and body ground Loose or lifting ground point Repair or replace the malfunctioning part. Go to Step 19.
12	INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER CIRCUIT FOR SHORT TO GROUND Verify that the electric variable valve timing motor/driver connector is disconnected. Inspect for continuity between the following terminals (wiring harness-side) and body ground: Electric variable valve timing motor/driver terminal 1D Electric variable valve timing motor/driver terminal 1C Electric variable valve timing motor/driver terminal 1B Electric variable valve timing motor/driver terminal 1A Is there continuity?	Yes	Disconnect the PCM connector and inspect the wiring harness for short to ground. If the short to ground circuit could be detected in the wiring harness: Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to ground. If the short to ground circuit could not be detected in the wiring harness: Replace the PCM (short to ground in the PCM internal circuit). (See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0].) Go to Step 19.
		No	Go to the next step.
13	INSPECT PCM CONNECTOR CONDITION Disconnect the PCM connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 19.
		No	Go to the next step.
14	INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER CIRCUIT FOR SHORT TO POWER SUPPLY Verify that the electric variable valve timing motor/driver and PCM connectors are disconnected. Switch the ignition ON (engine off). NOTE: Another DTC may be stored by the PCM detecting an open circuit. Measure the voltage at the following terminals (wiring harness-side): Electric variable valve timing motor/driver terminal 1D Electric variable valve timing motor/driver terminal 1C Electric variable valve timing motor/driver terminal 1B Electric variable valve timing motor/driver terminal 1A Is the voltage 0 V?	Yes	Go to the next step.
		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to power supply. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to power supply. Go to Step 19.
15	INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER CIRCUITS FOR SHORT TO EACH OTHER Verify that the electric variable valve timing motor/driver and PCM connectors are disconnected. Switch the ignition off. Inspect for continuity electric variable valve timing motor/driver terminals 1D, 1C, 1B and 1A (wiring harness-side). Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to each other. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to each other. Go to Step 19.
		No	Go to the next step.
16	INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER CIRCUIT FOR OPEN CIRCUIT Verify that the electric variable valve timing motor/driver and PCM connectors are disconnected. Inspect for continuity between the following terminals (wiring harness-side): Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE Is there continuity?	Yes	Go to the next step.
		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Electric variable valve timing motor/driver terminal 1D—PCM terminal 1AZ Electric variable valve timing motor/driver terminal 1C—PCM terminal 1O Electric variable valve timing motor/driver terminal 1B—PCM terminal 1J Electric variable valve timing motor/driver terminal 1A—PCM terminal 1AE If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has an open circuit. Go to Step 19.
17	INSPECT ELECTRIC VARIABLE VALVE TIMING DRIVER Inspect the electric variable valve timing driver. (See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER INSPECTION [SKYACTIV-G 2.0].) Is there any malfunction?	Yes	Replace the electric variable valve timing motor/driver, then go to Step 19. (See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
		No	Go to the next step.
18	INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR Inspect the electric variable valve timing motor. (See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER INSPECTION [SKYACTIV-G 2.0].) Is there any malfunction?	Yes	Replace the electric variable valve timing motor/driver, then go to the next step. (See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
		No	Go to the next step.
19	VERIFY DTC TROUBLESHOOTING COMPLETED Always reconnect all disconnected connectors. Clear the DTC from the PCM memory using the M-MDS. (See AFTER REPAIR PROCEDURE [PCM (SKYACTIV-G 2.0)].) Perform the KOER self test. (See KOEO/KOER SELF TEST [PCM (SKYACTIV-G 2.0)].) Is the same DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0].) Go to the next step.
		No	Go to the next step.
20	VERIFY AFTER REPAIR PROCEDURE Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [PCM (SKYACTIV-G 2.0)].) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [PCM (SKYACTIV-G 2.0)].)
		No	DTC troubleshooting completed.

< Previous Next >

Knowledge Base

DTC P0010:00 [PCM (SKYACTIV-G 2.0)]