Code No.B1950 Rain sensor error
Code No.B1951 Light sensor error


caution
  • Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

DIAGNOSTIC FUNCTION



JUDGEMENT CRITERIA



PROBABLE CAUSES



  • Malfunction of LDW-ECU (rain sensor)
  • Malfunction of LDW-ECU (light sensor)

DIAGNOSIS PROCEDURE


STEP 1. Check whether the diagnosis code is reset.



(1)Erase the diagnosis code.
(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?