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2014 - Mazda6 - Engine

DTC P0010:00 [SKYACTIV-G 2.5]



DTC P0010:00

Electric variable valve timing control circuit range/performance problem

DETECTION CONDITION

  • 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 (Mode 2)/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:

Related PIDs

Item (definition)

Unit/Condition

Definition

Condition/Specification (Reference)

VT IN_ACT

°

Actual intake valve timing

  • Displays actual intake valve timing

VT IN_DES

°

Desired intake valve timing

  • Displays desired intake valve timing


Diagnostic Procedure

STEP

INSPECTION

ACTION

1

VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA HAS BEEN RECORDED
  • Has the FREEZE FRAME DATA (Mode 2)/snapshot data been recorded?

Yes

Go to the next step.

No

Record the FREEZE FRAME DATA (Mode 2)/snapshot data on the repair order, then 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 [SKYACTIV-G 2.5].)

  • Is the PENDING CODE/DTC P1380:00 also present?

Yes

Go to the applicable PENDING CODE or DTC inspection.

(See DTC P1380:00 [SKYACTIV-G 2.5].)

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.

  • 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 out:

    • 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 fuse.

  • If the fuse is damaged:

    • Replace the 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).

  • 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

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:

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).

  • 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

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 2.5].)

No

Go to the next step.

18

INSPECT ELECTRIC VARIABLE VALVE TIMING MOTOR

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 2.5].)

No

Go to the next step.

19

VERIFY DTC TROUBLESHOOTING COMPLETED

Yes

Repeat the inspection from Step 1.

Go to the next step.

No

Go to the next step.

20

VERIFY AFTER REPAIR PROCEDURE

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SKYACTIV-G 2.5].)

No

DTC troubleshooting completed.




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