The BSI Alert Indicator Comes on When No Other Vehicle Is In the Detectable Area (Wrong Indication)

Blind Spot Information System (BSI) Symptom Troubleshooting - The BSI alert indicator comes on when no other vehicle is in the detectable area (Wrong indication)

The BSI alert indicator comes on when no other vehicle is in the detectable area (Wrong indication)

NOTE:

- If the system malfunctions, always check for DTCs with the HDS.
- If a DTC is stored, troubleshoot the DTC first.

1. Check BSI OFF switch, and make sure the BSI system is ON.

Is the BSI system ON?

YES -

Go to step 2.

NO -

Cancel the OFF status by operating the BSI OFF switch.�

2. Interview the client about when the symptom occurred to determine if an inspection is needed.

NOTE: The BSI system cannot work properly in the following driving situations.

- When towing a trailer.
- In rainy, snowy, or foggy weather.
- When the signal is jammed by something outside the vehicle.
- When followed by other vehicles at a curve in a road.
- When another vehicle is getting close to yours when turning right or left.
- When the rear bumper is deformed.
- When the sensor is out of place.
- Where there is a guardrail, pole, or tree.
- When a portion of bumper around the installed sensor is soiled.

Is an inspection required?

YES -

Go to step 3.

NO -

The system is OK at this time. Check the rear bumper for dirt contamination. If everything looks OK, explain the BSI system limitations to the client.�

3. Make sure that the rear bumper is correctly installed, and check the rear bumper for alteration or deformation.

Is the rear bumper OK?

YES -

Go to step 4.

NO -

If the rear bumper is incorrectly installed, reinstall it correctly. If it is damaged or deformed, replace it. If it is modified, explain to the client that modifying rear bumper may lead to improper BSI system operation.�

4. Remove the rear bumper Service and Repair.

5. Check the inside and outside of rear bumper for dirt, contaminants, or stickers. Also, check the BSI radar unit surface for dirt or contaminants.

Are the bumper and the BSI radar unit OK?

YES -

Go to step 6.

NO -

Completely wipe off any dirt or contaminants from the BSI radar unit or rear bumper.�

6. Check the body surface where the BSI radar unit is mounted for deformation.

Is the body surface OK?

YES -

Go to step 7.

NO -

Repair the BSI radar unit mounting area BSI Radar Unit Mounting Area Check.�

7. Check the BSI radar unit for damage.

Is it OK?

YES -

Inspect the BSI radar unit mounting area BSI Radar Unit Aiming Inspection.�

NO -

Replace the BSI radar unit BSI Radar Unit Removal/Installation.�