Toyota Yaris: Wiper And Washer System / Rain Sensor Malfunction (B1400)
DESCRIPTION
This DTC is stored when the rain sensor detects an internal malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | DTC Output from |
|---|---|---|---|---|---|
| B1400 | Rain Sensor Malfunction |
| Rain sensor | ○ | Rain and/or Humidity Sensor |
PROCEDURE
| 1. | CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Rain and/or Humidity Sensor > Clear DTCs
|
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| 2. | CHECK FOR DTC |
(a) Wait 10 seconds or more.
(b) Check for DTCs.
Body Electrical > Rain and/or Humidity Sensor > Trouble Codes| Result | Proceed to |
|---|---|
| DTC B1400 is not output | A |
| DTC B1400 is output | B |
| A |
.gif) | USE SIMULATION METHOD TO CHECK |
| B |
| REPLACE RAIN SENSOR |
Humidity/Rain Sensor Missing Message (B127987)
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...
Wiper Module Missing Message (B235787)
DESCRIPTION The main body ECU (multiplex network body ECU) and windshield wiper relay assembly communicate via CXPI communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal...
Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Components
COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 FRONT DOOR LOWER FRAME BRACKET GARNISH *2 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT ARMREST BASE UPPER PANEL *3 POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH FRONT ARMREST BASE UPPER PANEL *4 FRONT DOOR TRIM GARNISH *5 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *6 FRONT DOOR GLASS INNER WEATHERSTRIP ILLUSTRATION *A for Driver Side - - *1 FRONT DOOR SERVICE HOLE COVER *2 FRONT DOOR OUTSIDE HANDLE ASSEMBLY *3 FRONT DOOR LOCK CYLINDER ASSEMBLY *4 FRONT DOOR WITH MOTOR LOCK ASSEMBLY *5 FRONT DOOR LOCK OPEN LEVER REMOTE CONTROL CABLE *6 FRONT DOOR LOCK/UNLOCK KNOB INSIDE LOCKING CABLE *7 DOOR LOCK WIRING HARNESS SEAL *8 FRONT DOOR SERVICE HOLE COVER CLIP *9 HOLE PLUG - - N*m (kgf*cm, ft...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)