СИСТЕМА ECD, Diagnostic DTC:19 (2)

DTC Code DTC Name
19 (2) Accelerator Position Sensor Range / Performance Problem

DESCRIPTION

Refer to DTC 19 (1) Click here.

DTC No. DTC Detection Condition Trouble Area
19 (2) Either of the ECM sensors has completed learning, and the voltage difference of the No. 1 and No. 2 sensors is more than 1.2 V or less than 0.4 V.

  • Open or short in accelerator pedal position sensor circuit

  • Accelerator pedal position sensor

  • ECM

One of the following continues for more than 2.0 seconds.


  1. The voltage difference of the No. 1 and No. 2 sensors is not within the specified range.

  2. VPA2 is 4.9 V or higher.

  3. Accelerator idling specified voltages of No. 1 and No. 2 are below 0.04 V.

WIRING DIAGRAM

Refer to DTC 19 (1) Click here.

INSPECTION PROCEDURE

Tech Tips

Read freeze frame data using the intelligent tester. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction occurred.

When using intelligent tester:

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (ACCELERATOR POSITION)


    1. A00OB01E37
      Text in Illustration
      *a Depressed
      *b Released

      Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Enter the following menus: Powertrain / Engine and ECT / Data List / Accel Position.

    4. Check that the value displayed on the intelligent tester changes when repeatedly depressing and releasing the accelerator pedal.

      OK
      Value changes.

    NG

    Click here

    OK

    REPLACE ECM Click here

  2. CHECK HARNESS AND CONNECTOR (ECM - ACCELERATOR PEDAL POSITION SENSOR)


    1. Disconnect the accelerator pedal position sensor connector.

    2. Disconnect the ECM connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      A19-1 (VCP2) - C102-1 (VC) Always Below 1 Ω
      A19-2 (EPA2) - C102-9 (E2) Always Below 1 Ω
      A19-3 (VPA2) - G62-12 (VPA2) Always Below 1 Ω
      A19-4 (VCPA) - G62-6 (VCPA) Always Below 1 Ω
      A19-5 (EPA) - G62-4 (EPA) Always Below 1 Ω
      A19-6 (VPA) - G62-5 (VPA) Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      A19-1 (VCP2) or C102-1 (VC) - Body ground Always 10 kΩ or higher
      A19-2 (EPA2) or C102-9 (E2) - Body ground Always 10 kΩ or higher
      A19-3 (VPA2) or G62-12 (VPA2) - Body ground Always 10 kΩ or higher
      A19-4 (VCPA) or G62-6 (VCPA) - Body ground Always 10 kΩ or higher
      A19-5 (EPA) or G62-4 (EPA) - Body ground Always 10 kΩ or higher
      A19-6 (VPA) or G62-5 (VPA) - Body ground Always 10 kΩ or higher

    4. Reconnect the accelerator pedal position sensor connector.

    5. Reconnect the ECM connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ACCELERATOR PEDAL ROD ASSEMBLY Click here

When not using intelligent tester:

PROCEDURE


  1. CHECK ECM (VPA, VPA2 VOLTAGE)


    1. A00O5ERE89
      Text in Illustration
      *a

      Component with harness connected

      (ECM)

      Turn the ignition switch to ON.

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

      Standard Voltage
      Accelerator Pedal Released
      Tester Connection Switch Condition Specified Condition
      G62-5 (VPA) - G62-4 (EPA) Ignition switch ON 0.5 to 1.1 V
      G62-12 (VPA2) - C102-9 (E2) Ignition switch ON 1.2 to 2.0 V
      Accelerator Pedal Depressed
      Tester Connection Switch Condition Specified Condition
      G62-5 (VPA) - G62-4 (EPA) Ignition switch ON 2.6 to 4.5 V
      G62-12 (VPA2) - C102-9 (E2) Ignition switch ON 3.4 to 5.3 V

    NG

    Click here

    OK

    REPLACE ECM Click here

  2. CHECK HARNESS AND CONNECTOR (ECM - ACCELERATOR PEDAL POSITION SENSOR)


    1. Disconnect the accelerator pedal position sensor connector.

    2. Disconnect the ECM connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      A19-1 (VCP2) - C102-1 (VC) Always Below 1 Ω
      A19-2 (EPA2) - C102-9 (E2) Always Below 1 Ω
      A19-3 (VPA2) - G62-12 (VPA2) Always Below 1 Ω
      A19-4 (VCPA) - G62-6 (VCPA) Always Below 1 Ω
      A19-5 (EPA) - G62-4 (EPA) Always Below 1 Ω
      A19-6 (VPA) - G62-5 (VPA) Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      A19-1 (VCP2) or C102-1 (VC) - Body ground Always 10 kΩ or higher
      A19-2 (EPA2) or C102-9 (E2) - Body ground Always 10 kΩ or higher
      A19-3 (VPA2) or G62-12 (VPA2) - Body ground Always 10 kΩ or higher
      A19-4 (VCPA) or G62-6 (VCPA) - Body ground Always 10 kΩ or higher
      A19-5 (EPA) or G62-4 (EPA) - Body ground Always 10 kΩ or higher
      A19-6 (VPA) or G62-5 (VPA) - Body ground Always 10 kΩ or higher

    4. Reconnect the accelerator pedal position sensor connector.

    5. Reconnect the ECM connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ACCELERATOR PEDAL ROD ASSEMBLY Click here