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

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

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

010

Over Voltage Shutoff

Battery voltage is 14 V or more for 20 seconds or more.

  • Harness or connector between heater assembly and power source

  • Battery

  • Generator assembly

  • Heater assembly

011

Under Voltage Shutoff

Battery voltage is 10 V or less for 20 seconds or more.

  • Harness or connector between heater assembly and power source

  • Battery

  • Generator assembly

  • Heater assembly

WIRING DIAGRAM

E267053E01

CAUTION / NOTICE / HINT

Note:

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

Tip:

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

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (POWER SOURCE, BODY GROUND)

    1. Disconnect the A42 heater assembly connector.

    2. Measure the voltage and resistance according to the value(s) in the tables below.

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      A42-5 (B) - Body ground

      Always

      11 to 14 V

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      A42-1 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE HEATER ASSEMBLY

    Click hereClick hereClick here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR