SFI SYSTEM, Diagnostic DTC:P0080

DTC Code DTC Name
P0080 Exhaust Valve Control Solenoid Circuit High Bank 1

DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P0080 Exhaust Valve Control Solenoid Circuit High Bank 1

Enable Criteria


  • Engine running

Malfunction Criteria


  • -

Diagnostic Mask


  • The MIL will be illuminated if the faults are present for 2 consecutive trips

Monitor


  • Continuous

Potential failure modes


  • VVT control valve open circuit or short to ground

  • ECU output circuit failure

  • VVT control valve

  • Open or short in camshaft timing oil control valve assembly circuit

  • Wire harness or connector

  • Camshaft timing oil control valve assembly

  • ECM

 Comes on DTC stored

MONITOR DESCRIPTION

This DTC is designed to detect an open or short in the camshaft timing oil control valve assembly (for exhaust camshaft) circuit. If the camshaft timing oil control valve assembly duty-cycle is excessively high or low while the engine switch is on (IG) or the engine is running, the ECM will illuminate the MIL and store this DTC.

WIRING DIAGRAM

Refer to DTC P0079.

Click here

CAUTION / NOTICE / HINT

Tech Tips

Read freeze frame data using the GTS. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

PROCEDURE


  1. READ OUTPUT DTC (DTC P0080)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Clear the DTC after recording the freeze frame data and DTC.

    5. Turn the engine switch off and wait for at least 30 seconds.

    6. Turn the engine switch on (IG) and wait 5 seconds.

    7. Turn the GTS on.

    8. Enter the following menus: Powertrain / Engine / Trouble Codes.

    9. Read the DTCs.

      Result
      Result Proceed to
      DTC P0080 is output A
      DTCs are not output B

    B

    CHECK FOR INTERMITTENT PROBLEMS Click here

    A

  2. CHECK TERMINAL VOLTAGE (POWER SOURCE OF CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR EXHAUST CAMSHAFT))

    B00469CC08
    *a

    Front view of wire harness connector

    (to Camshaft Timing Oil Control Valve Assembly (for Intake Camshaft))

    1. Disconnect the camshaft timing oil control valve assembly (for exhaust camshaft) connector.

    2. Turn the engine switch to on (IG).

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      B141-1 - Body ground Engine switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    INSPECT EFI MAIN RELAY Click here

    OK

  3. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR EXHAUST CAMSHAFT)


    1. Inspect the camshaft timing oil control valve assembly (for exhaust camshaft).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR EXHAUST CAMSHAFT) Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR EXHAUST CAMSHAFT) - ECM)


    1. Disconnect the B141 camshaft timing oil control valve assembly (for exhaust camshaft) connector.

    2. Disconnect the B142 ECM connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      B141-2 - B142-25 (OE1-) Always Below 1 Ω
      B141-2 or B142-25 (OE1-) - Body ground and other terminals Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE ECM Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. INSPECT EFI MAIN RELAY


    1. Inspect the EFI MAIN relay.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE EFI MAIN RELAY

    OK

  6. CHECK HARNESS AND CONNECTOR (EFI MAIN RELAY - CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (FOR EXHAUST CAMSHAFT))


    1. Remove the EFI MAIN relay from the No. 2 engine room relay block assembly.

    2. Disconnect the B141 camshaft timing oil control valve assembly (for exhaust camshaft) connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 (EFI MAIN relay holder) - B141-1 Always Below 1 Ω
      3 (EFI MAIN relay holder) or B141-1 - Body ground and other terminals Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    CHECK ECM POWER SOURCE CIRCUIT Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR