COMBUSTION TYPE POWER HEATER SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

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HINT:
If a trouble code is displayed during the DTC check, inspect the trouble area listed for that code. For details of the code, refer to "See page" below.


Combustion Type Power Heater System 
DTC Code
Detection Item
Trouble Area
See page
010
Over Voltage Shutoff
- Wire harness or connector between combustion heater assembly and battery
- Battery
- Generator
- Power heater ECU (combustion heater assembly)
Click here
011
Under Voltage Shutoff
- Wire harness or connector between combustion heater assembly and battery
- Battery
- Generator
- Power heater ECU (combustion heater assembly)
Click here
012
Overheating
- Surface sensor (combustion heater assembly)
- Control overheating sensor (combustion heater assembly)
- Engine coolant circuit (leaks, engine coolant quality, thermostat, water pump assembly)
Click here
014
Difference Evaluation Overheating
- Surface sensor (combustion heater assembly)
- Control overheating sensor (combustion heater assembly)
- Engine coolant circuit (leaks, engine coolant quality, thermostat, water pump assembly)
Click here
015
Operating Block caused by Overheating
- Engine coolant circuit (leaks, engine coolant quality, thermostat, water pump assembly)
- Power heater ECU (combustion heater assembly)
Click here
016
Difference Evaluation 2
- Surface sensor (combustion heater assembly)
- Control overheating sensor (combustion heater assembly)
Click here
017
Hardware Overheating
- Control overheating sensor (combustion heater assembly)
- Surface sensor (combustion heater assembly)
- Engine coolant circuit (leaks, engine coolant quality, thermostat, water pump assembly)
Click here
020
Glow Plug Malfunction
- Glow plug (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
021
Glow Plug Output Overload
- Glow plug (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
022
Glow Plug Output Error
- Power heater ECU (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
025
Short in K-line Circuit
- Wire harness or connector (combustion heater assembly)
Click here
030
Abnormal Combustion Air Blower Motor Speed
- Air blower motor (combustion heater assembly)
Click here
031
Combustion Air Blower Motor Malfunction
- Air blower motor (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
032
Short in Combustion Air Blower Motor Circuit
- Wire harness or connector (combustion heater assembly)
Click here
034
Combustion Air Blower Motor Output Error
- Power heater ECU (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
047
Short in Heater Fuel Pump Circuit
- Wire harness or connector between combustion heater assembly and heater pump assembly
- Wire harness or connector between heater pump assembly and body ground
- Heater pump assembly
- Power heater ECU (combustion heater assembly)
Click here
048
Heater Fuel Pump Malfunction
- Wire harness or connector between combustion heater assembly and heater pump assembly
- Wire harness or connector between heater pump assembly and body ground
- Heater pump assembly
- Power heater ECU (combustion heater assembly)
Click here
049
Heater Fuel Pump Output Error
- Wire harness or connector between combustion heater assembly and heater pump assembly
- Wire harness or connector between heater pump assembly and body ground
- Heater pump assembly
- Power heater ECU (combustion heater assembly)
Click here
050
Detection of No Ignition
- Air duct
- Exhaust pipe
- Fuel pump filter (heater pump assembly)
- Heater pump assembly
- Power heater ECU (combustion heater assembly)
Click here
051
Cold Blow Time Exceeded
- Power heater ECU (combustion heater assembly)
Click here
052
Safety Time Exceeded
- Air duct
- Exhaust pipe
- Fuel pump filter (heater pump assembly)
- Heater pump assembly
- Power heater ECU (combustion heater assembly)
Click here
054
High Setting of Flame Cutout
- Air duct
- Exhaust pipe
- Fuel pump filter (heater pump assembly)
- Heater pump assembly
- Power heater ECU (combustion heater assembly)
Click here
056
Low Setting of Flame Cutout
- Air duct
- Exhaust pipe
- Fuel pump filter (heater pump assembly)
- Heater pump assembly
- Power heater ECU (combustion heater assembly)
Click here
060
Overheating Control Sensor Malfunction
- Control overheating sensor (combustion heater assembly)
Click here
061
Short in Overheating Control Sensor Circuit
- Control overheating sensor (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
064
Flame Sensor Malfunction
- Flame sensor (combustion heater assembly)
Click here
065
Short in Flame Sensor Circuit
- Flame sensor (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
071
Surface Sensor Malfunction
- Surface sensor (combustion heater assembly)
Click here
072
Short in Surface Sensor Circuit
- Surface sensor (combustion heater assembly)
- Wire harness or connector (combustion heater assembly)
Click here
074
ECU Overheating
- Power heater ECU (combustion heater assembly)
Click here
090
ECU Internal Malfunction / Reset Detection
- Power heater ECU (combustion heater assembly)
Click here
091
Repeated Resets Detection
- Power heater ECU (combustion heater assembly)
Click here
092
ROM Error
- Power heater ECU (combustion heater assembly)
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093
RAM Error
- Power heater ECU (combustion heater assembly)
Click here
094
Transistor Malfunction
- Power heater ECU (combustion heater assembly)
Click here
095
Software Stuck Overflow
- Power heater ECU (combustion heater assembly)
Click here
096
Operation Locked Detection
- Power heater ECU (combustion heater assembly)
Click here
097
ECU Defects
- Power heater ECU (combustion heater assembly)
Click here
098
Main Relay Malfunction
- Power heater ECU (combustion heater assembly)
Click here
099
EEPROM Error
- Power heater ECU (combustion heater assembly)
Click here