Toyota Yaris: Wiper And Washer System / Diagnostic Trouble Code Chart

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Exterior / Wiper / Washer / Wiper And Washer System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Wiper and Washer System

DTC No.	Detection Item	DTC Output from
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 / 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...

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...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Unable to Unlock Steering Wheel (Engine cannot Start)

DESCRIPTION The steering lock ECU (steering lock actuator or upper bracket assembly) activates the steering lock motor and moves the lock bar into the steering column to lock the steering. The steering may not unlock when the lock bar gets stuck in the lock hole of the steering column...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the active noise control system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK NEXT 3...