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 hybrid vehicle control ECU. When the hybrid vehicle 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)
  • Hybrid vehicle control ECU

  • DLC3

P0A0F 205 Signal indicating abnormality input from the ECM (engine is unable to start)
P0A0F 206 Signal indicating abnormality input from the ECM (engine component malfunction)
P0A0F 524 Signal indicating abnormality input from the ECM (NE signal error)
P0A0F 525 Signal indicating abnormality input from the ECM (G signal error)

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (ENGINE CONTROL SYSTEM)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      Engine control system DTCs are not output. A
      Engine control 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 hybrid vehicle control ECU.


    B
    A