LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes - (Hybrid) (1 Of 8) >> Hybrid Control System >> DTC P0A10-592: DC / DC Converter Status Circuit High Input [10/2014 - 10/2015] >> Procedure

DTC P0A10-592: DC / DC Converter Status Circuit High Input [10/2014 - 10/2015]: Procedure

  1. CHECK POWER MANAGEMENT CONTROL ECU (CHECK WAVEFORM) 

    See step  3

    NG 

    See step  5

    OK 

    See step  2

  2. CLEAR DTC 

    See step  4

    NEXT 

    See step  3

  3. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Check for DTCs.

      Result

      Result Proceed to
      P0A10-592 is not output. A
      P0A10-592 is output again. B
    5. Turn the power switch off.

    B 

    REPLACE POWER MANAGEMENT CONTROL ECU 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    A 

    See step  4

  4. CHECK FOR INTERMITTENT PROBLEMS 

    (Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2014 - ] )

    OK 

    REPLACE POWER MANAGEMENT CONTROL ECU 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

  5. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - POWER MANAGEMENT CONTROL ECU) 
    WARNING:

    Be sure to wear insulated gloves.

    1. Check that the service plug grip is not installed.
      NOTE:

      After removing the service plug grip, do not turn the power switch on (READY), unless otherwise instructed because this may cause a malfunction.

    2. Disconnect the A49 inverter with converter assembly connector.
    3. Disconnect the A53 power management control ECU connector.
    4. Connect the cable to the negative (-) auxiliary battery terminal.
    5. Turn the power switch on (IG).
    6. Measure the voltage according to the value (s) in the table below.
      GTY547091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)
      *b Rear view of wire harness connector
      (to Power Management Control ECU)

      Standard Voltage

      Tester Connection Condition Specified Condition
      A49-6 (VLO) or A53-11 (VLO) - Body ground Power switch on (IG) Below 1 V
      NOTE:

      Turning the power switch on (IG) with the inverter with converter assembly connector and the power management control ECU connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

    7. Turn the power switch off.
    8. Disconnect the cable from the negative (-) auxiliary battery terminal.
    9. Reconnect the A53 power management control ECU connector.
    10. Reconnect the A49 inverter with converter assembly connector.

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK 

    See step  6

  6. REPLACE POWER MANAGEMENT CONTROL ECU 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    NEXT 

    See step  7

  7. CLEAR DTC 

    See step  4

    NEXT 

    See step  8

  8. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Check for DTCs.

      Result

      Result Proceed to
      DTC P0A10-592 is not output. A
      DTC P0A10-592 is output again. B
    5. Turn the power switch off.

    A 

    COMPLETED 

    B 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

scientia non olet · About LEMON Manuals