HYBRID CONTROL SYSTEM, Diagnostic DTC:P0560-117

DTC Code DTC Name
P0560-117 System Voltage

DESCRIPTION

Regular battery power is supplied to the BATT terminal of the hybrid control ECU in order to store DTCs and freeze frame data. Even if the power switch is turned off, back-up power is supplied.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0560-117 System Voltage

Malfunction in the hybrid vehicle control ECU back-up power source circuit

(1 trip detection logic)

  • Wire harness or connector

  • Hybrid vehicle control ECU

  • Fuse

 Comes on

Master Warning Light:

Comes on

WIRING DIAGRAM

B002JK8E01
*a ECU-B NO. 3
*b Auxiliary Battery
*c Hybrid Vehicle Control ECU

CAUTION / NOTICE / HINT

Tech Tips

After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.


  1. Turn the power switch on (IG) and wait for 5 seconds or more.

PROCEDURE


  1. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR)

    Result
    Proceed to
    OK
    NG

    1. A01CQIMC01
      *A for LHD
      *B for RHD

      Check the connector connections and contact pressure of the relevant terminals for the hybrid vehicle control ECU connectors.

      Click here

      OK
      The connectors are connected securely and there are no contact pressure problems.
      Result
      Proceed to
      OK
      NG

    NG

    CONNECT SECURELY

    OK

  2. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - ECU-B NO. 3 FUSE)


    1. B002HCWC41
      *a

      Component with harness connected

      (Hybrid Vehicle Control ECU)

      Turn the power switch off.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      I116-3 (BATT) - I115-6 (E1) Power switch off 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    NG

  3. CHECK FUSE (ECU-B NO. 3)


    1. B002HTLC01
      *1 Fuse Block Assembly
      *2 ECU-B NO. 3 Fuse

      Remove the ECU-B NO. 3 fuse from the fuse block assembly.

    2. Check if there is an open circuit in the ECU-B NO. 3 fuse in the fuse block assembly.

      OK
      There is no open circuit in the ECU-B NO. 3 fuse.

    3. Install the ECU-B NO. 3 fuse.

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FUSE (ECU-B NO. 3)

    OK

  4. CHECK HARNESS AND CONNECTOR (ECU-B NO. 3 FUSE - BATTERY TERMINAL)


    1. B002ICDC01
      *1 Fuse Block Assembly
      *2 ECU-B NO. 3 Fuse

      Remove the ECU-B NO. 3 fuse from the fuse block assembly.

    2. Disconnect the cable from the negative (-) auxiliary battery terminal.

    3. Disconnect the cable from the positive (+) auxiliary battery terminal.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - Auxiliary battery positive (+) cable Power switch off Below 1 Ω
      1 - Body ground Power switch off 10 kΩ or higher

    5. Connect the cable to the positive (+) auxiliary battery terminal.

    6. Connect the cable to the negative (-) auxiliary battery terminal.

    7. Install the ECU-B NO. 3 fuse.

      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (ECU-B NO. 3 FUSE - HYBRID VEHICLE CONTROl ECU)


    1. Remove the ECU-B NO. 3 fuse from the fuse block assembly.

    2. Disconnect the I116 hybrid vehicle control ECU connector.

      B002K7UC01
      *1 Fuse Block Assembly *2 ECU-B NO. 3 Fuse
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU)

      		 - -

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (ECU-B NO. 3 fuse terminal) - I116-3 (BATT) Power switch off Below 1 Ω

    4. Reconnect the I116 hybrid vehicle control ECU connector.

    5. Install the ECU-B NO. 3 fuse.

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR