Code No.C1706 LDW CAMERA adjustment Not COMP

caution

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

DIAGNOSTIC FUNCTION

The LDW-ECU will store diagnosis code No. C1706 when it has never adjusted the LDW camera image.

JUDGEMENT CRITERIA

If the LDW-ECU has never adjusted the LDW camera image (the image focus adjustment of the camera is incomplete), it will determine that the system is defective.

PROBABLE CAUSES

The LDW camera image not adjusted
Faults on the windshield glass (such as scratch, cracks, contamination or drain drops on the glass surface)
The LDW camera incorrectly installed
Malfunction of the LDW-ECU

DIAGNOSIS PROCEDURE

STEP 1. Check the camera mounted surface on the windshield.

Visually check the LDW camera mounted surface on the windshield for scratch, cracks, contamination or drain drops.

Q. Is the check result normal?

Adjust the LDW camera image. (Refer to GROUP 54A - How to adjust the LDW camera image

). Then go to Step 2.

Windshield glass replacement (Refer to GROUP 42A - Windshield Glass Removal and Installation

STEP 2. Check whether the diagnosis code is reset.

Check if the diagnosis code No. C1706 is set to LDW-ECU.

(1)Turn the ignition switch from the LOCK (OFF) position to the ON position.

(2)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

Replace the LDW-ECU.

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction