DTC    010    Over Voltage Shutoff

DTC    011    Under Voltage Shutoff

for Preparation Click here


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
010
Battery voltage is 14 V or more for 20 seconds or more.
  1. Battery
  2. Generator
  3. Wire harness or connector between combustion heater assembly and battery
  4. Power heater ECU (combustion heater assembly)
011
Battery voltage is 11 V or less for 20 seconds or more.

WIRING DIAGRAM


E176183E01


INSPECTION PROCEDURE

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

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

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


    E176184E01
  1. Disconnect the A45 power heater ECU (combustion heater assembly) connector.

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    A45-5 (B) - Body ground
    Always
    11 to 14 V

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    A45-1 (E) - Body ground
    Always
    Below 1 Ω

  1. Reconnect the power heater ECU (combustion heater assembly) connector.

Text in Illustration 
*1
Front view of wire harness connector
(to Power Heater ECU (Combustion Heater Assembly))


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE COMBUSTION HEATER ASSEMBLY (Click here)