Toyota Yaris: Wiper And Washer System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Wiper and Washer System
| DTC No. | Detection Item | DTC Output from | Link |
| B127987 | Humidity/Rain Sensor Missing Message | Main Body |
|
| B1400 | Rain Sensor Malfunction | Rain and/or Humidity Sensor |
|
| B235787 | Wiper Module Missing Message | Main Body |
|
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...
DESCRIPTION The main body ECU (multiplex network body ECU) and rain sensor communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal...
Other information:
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To prevent loss or damage of stored data, we recommend that you always
back up your data...
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the GTS when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic...
Categories
The fuel gauge shows approximately how much fuel is remaining in
the tank when the ignition is switched ON. We recommend keeping
the tank over 1/4 full.

Full
1/4 Full
Empty
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