Code No.C1704 LDW CAMERA high temperature


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

DIAGNOSTIC FUNCTION



note The diagnosis code No. C1704 indicates that the LDW-ECU has activated a protective mechanism, but is not abnormal. However, if diagnosis code No. C1704 is stored frequently, follow this inspection procedure.

PROBABLE CAUSES



  • Too hot LWD camera
  • Malfunction of the LDW-ECU

DIAGNOSIS PROCEDURE


STEP 1. Check whether the diagnosis code is reset.



(1)Move the vehicle to the cool place which is not subject to bright sunlight in order to cool down the LDW camera.
(2)Erase the diagnosis code.
(3)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(4)Check if the diagnosis code is set.

Q. Is the diagnosis code set?