HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A0F-204, P0A0F-205, P0A0F-206, P0A0F-524, P0A0F-525

DTC Code DTC Name
P0A0F-204 Engine Failed to Start
P0A0F-205 Engine Failed to Start
P0A0F-206 Engine Failed to Start
P0A0F-524 Engine Failed to Start
P0A0F-525 Engine Failed to Start

DESCRIPTION

If an engine malfunction occurs, an engine malfunction signal is sent from the ECM to the management control ECU. When the power management control ECU receives this signal, it sets a DTC and performs fail-safe control.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A0F 204 Signal indicating abnormality input from the ECM (abnormal engine output)

  • SFI system

  • Power management control ECU
205 Signal indicating abnormality input from the ECM (engine is unable to start)
206 Signal indicating abnormality input from the ECM (engine component malfunction)
524 Signal indicating abnormality input from the ECM (NE signal error)
525 Signal indicating abnormality input from the ECM (GI signal error)

CAUTION / NOTICE / HINT

Tech Tips


  • When SFI system related DTCs are output, the power management control ECU stores DTCs P0A0F-204, 205, 206, 524 or 525.

  • If DTC P0A0F-524 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. With the vehicle and engine stopped, the ignition switch to ON (READY) and the shift lever in P, depress the accelerator pedal to start the engine.

    2. Keep the engine running for 5 seconds or more.

  • If DTC P0A0F-525 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. With the vehicle and engine stopped, the ignition switch to ON (READY) and the shift lever in P, depress the accelerator pedal to start the engine.

    2. Keep the engine running for 5 seconds or more.

PROCEDURE


  1. CHECK DTC OUTPUT (ENGINE AND ECT)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON (IG).

    3. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      SFI system DTCs are not output. A
      SFI system DTCs are output. B

      Tech Tips

      If P0A0F-204, 205, 206, 524, or 525 is output even though the ECM has not detected a malfunction, there is a malfunction in the power management control ECU.

    5. Turn the ignition switch off.


    A

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    B

    GO TO DTC CHART (SFI SYSTEM) Click here