COMBUSTION TYPE POWER HEATER SYSTEM DIAGNOSTIC TROUBLE CODE CHART
Tech Tips
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.
| 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) |
|
| 011 | Under Voltage Shutoff | - Wire harness or connector between combustion heater assembly and battery - Battery - Generator - Power heater ECU (combustion heater assembly) |
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| 012 | Overheating | - Surface sensor (combustion heater assembly) - Control overheating sensor (combustion heater assembly) - Engine coolant circuit (leaks, engine coolant quality, thermostat, water pump assembly) |
|
| 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) |
|
| 015 | Operating Block caused by Overheating | - Engine coolant circuit (leaks, engine coolant quality, thermostat, water pump assembly) - Power heater ECU (combustion heater assembly) |
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| 016 | Difference Evaluation 2 | - Surface sensor (combustion heater assembly) - Control overheating sensor (combustion heater assembly) |
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| 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) |
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| 020 | Glow Plug Malfunction | - Glow plug (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
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| 021 | Glow Plug Output Overload | - Glow plug (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
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| 022 | Glow Plug Output Error | - Power heater ECU (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
|
| 025 | Short in K-line Circuit | - Wire harness or connector (combustion heater assembly) | |
| 030 | Abnormal Combustion Air Blower Motor Speed | - Air blower motor (combustion heater assembly) | |
| 031 | Combustion Air Blower Motor Malfunction | - Air blower motor (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
|
| 032 | Short in Combustion Air Blower Motor Circuit | - Wire harness or connector (combustion heater assembly) | |
| 034 | Combustion Air Blower Motor Output Error | - Power heater ECU (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
|
| 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) |
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| 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) |
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| 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) |
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| 050 | Detection of No Ignition | - Air duct - Exhaust pipe - Fuel pump filter (heater pump assembly) - Heater pump assembly - Power heater ECU (combustion heater assembly) |
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| 051 | Cold Blow Time Exceeded | - Power heater ECU (combustion heater assembly) | |
| 052 | Safety Time Exceeded | - Air duct - Exhaust pipe - Fuel pump filter (heater pump assembly) - Heater pump assembly - Power heater ECU (combustion heater assembly) |
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| 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) |
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| 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) |
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| 060 | Overheating Control Sensor Malfunction | - Control overheating sensor (combustion heater assembly) | |
| 061 | Short in Overheating Control Sensor Circuit | - Control overheating sensor (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
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| 064 | Flame Sensor Malfunction | - Flame sensor (combustion heater assembly) | |
| 065 | Short in Flame Sensor Circuit | - Flame sensor (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
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| 071 | Surface Sensor Malfunction | - Surface sensor (combustion heater assembly) | |
| 072 | Short in Surface Sensor Circuit | - Surface sensor (combustion heater assembly) - Wire harness or connector (combustion heater assembly) |
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| 074 | ECU Overheating | - Power heater ECU (combustion heater assembly) | |
| 090 | ECU Internal Malfunction / Reset Detection | - Power heater ECU (combustion heater assembly) | |
| 091 | Repeated Resets Detection | - Power heater ECU (combustion heater assembly) | |
| 092 | ROM Error | - Power heater ECU (combustion heater assembly) | |
| 093 | RAM Error | - Power heater ECU (combustion heater assembly) | |
| 094 | Transistor Malfunction | - Power heater ECU (combustion heater assembly) | |
| 095 | Software Stuck Overflow | - Power heater ECU (combustion heater assembly) | |
| 096 | Operation Locked Detection | - Power heater ECU (combustion heater assembly) | |
| 097 | ECU Defects | - Power heater ECU (combustion heater assembly) | |
| 098 | Main Relay Malfunction | - Power heater ECU (combustion heater assembly) | |
| 099 | EEPROM Error | - Power heater ECU (combustion heater assembly) |