ECD SYSTEM, Diagnostic DTC:P0560

DTC Code DTC Name
P0560 System Voltage

DESCRIPTION

While the ignition switch is off, battery voltage is supplied to terminal BATT of the ECM for storing DTCs and fuel injection feedback learning values.

DTC No. DTC Detection Condition Trouble Area
P0560

Condition (a) or (b) continues:

(a) Significant decrease in battery voltage

(b) Open in back-up power source circuit (1 trip detection logic)

  • Open in back-up power source circuit

  • Low battery voltage

  • Voltage converter

  • ECM

Tech Tips

If DTC P0560 appears, the ECM does not store other DTCs.

WIRING DIAGRAM

A01CH19E03

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (ECM - VOLTAGE CONVERTER)


    1. A01CH7WE04

      Disconnect the voltage converter 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
      E24-2 (BATT) - D8-7 (OUTM) Always Below 1 Ω
      Check for short
      Tester Connection Condition Specified Condition
      E24-2 (BATT) or D8-7 (OUTM) - Body ground Always 10 kΩ or higher

    4. Reconnect the ECM connector.

    5. Reconnect the voltage converter connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - BATTERY)

    OK

  2. CHECK ECM (BATT VOLTAGE)


    1. A01CHV2E01

      Disconnect the ECM connector.

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

      Standard voltage
      Tester Connection Condition Specified Condition
      E24-2 (BATT) - Body ground Always 11 to 14 V

      Reconnect the ECM connector.


    NG

    CHECK VOLTAGE CONVERTER SYSTEM

    OK

    REPLACE ECM