COMBUSTION TYPE POWER HEATER SYSTEM, Diagnostic DTC:010, 011

DTC Code DTC Name
010 Over Voltage Shutoff
011 Under Voltage Shutoff

DESCRIPTION

DTC No. DTC Detection Condition Trouble Area
010 Battery voltage is 15.9 V or higher for 20 seconds or more.

  • Battery

  • Power management control ECU

  • Wire harness or connector between combustion heater assembly and battery

  • Power heater ECU (combustion heater assembly)
011 Battery voltage is below 10.2 V for 20 seconds or more.

WIRING DIAGRAM

A01VHE4E02

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Tech Tips

Before performing the following procedure, check the battery and generator and confirm that they are operating normally.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (POWER HEATER ECU (COMBUSTION HEATER ASSEMBLY) - BATTERY AND BODY GROUND)


    1. A01VG6EE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Power Heater ECU (Combustion Heater Assembly))

      Disconnect the A29 power heater ECU (combustion heater assembly) connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      A29-5 (B) - Body ground Always 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A29-1 (E) - Body ground Always Below 1 Ω

    OK

    REPLACE COMBUSTION HEATER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR