P0A0F-525 - Engine Failed to Start

HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM: P0A0F-204, P0A0F-205, P0A0F-206, P0A0F-524, P0A0F-525: 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 power management control ECU (HV CPU). When the power management control ECU (HV CPU) receives this signal, it sets a DTC and performs fail-safe control.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (ENGINE AND ECT)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

(d) Check if DTCs are output.

Result:





HINT
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.

(e) Turn the power switch off.

B -- GO TO DTC CHART (SFI SYSTEM) SFI System

A -- REPLACE POWER MANAGEMENT CONTROL ECU Components