AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) DIAGNOSTIC TROUBLE CODE CHART
Tech Tips
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If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
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*: The air conditioning amplifier stores the DTC of the respective malfunction that has been detected for the period of time indicated in parentheses.
| DTC Code | Detection Item | Memory* | Diagnostic Note | See page |
|---|---|---|---|---|
| B1412 | Ambient Temperature Sensor Circuit | Stored (4 seconds or more) |
If the ambient temperature is approx. -52.9°C (- 63.22°F) or less, DTC B1412 may be stored even though the system is normal. | |
| B1413 | Evaporator Temperature Sensor Circuit | Stored (4 seconds or more) |
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| B1417 | Evaporator Temperature Circuit | Stored (4 seconds or more) |
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| B1422 | Compressor Lock Sensor Circuit | - | - | |
| B1423 | Pressure Sensor Circuit | Stored (4 seconds or more) |
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| B1441 | Air Mix Damper Control Servo Motor Circuit (Passenger Side) | Stored (30 seconds or more) |
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| B1442 | Air Inlet Damper Control Servo Motor Circuit | Stored (30 seconds or more) |
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| B1443 | Air Outlet Damper Control Servo Motor Circuit | Stored (30 seconds or more) |
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| B1447 | Air Mix Damper Control Servo Motor Circuit (Rear) | Stored (30 seconds or more) |
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| B1449 | Air Outlet Damper Control Servo Motor Circuit (Rear) | Stored (30 seconds or more) |
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| B1497 | Communication Malfunction (Bus Ic) | Stored (10 seconds or more) |
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| U0100 | Lost Communication with ECM | - | - | |
| U0142 | Lost Communication with Main Body ECU | - | - | |
| U0155 | Lost Communication with Combination Meter | - | - |