BRIGHTNESS OF BLIND SPOT MONITORING (BSM) WARNING INDICATION IS TOO BRIGHT OR TOO DARK [BLIND SPOT MONITORING (BSM) SYSTEM]

id1503a3026800

Outline

Description

•  Brightness of blind spot monitoring (BSM) warning indication is too bright.

•  Brightness of blind spot monitoring (BSM) warning indication is too dark.

Possible cause

•  Light switch malfunction

•  Instrument cluster malfunction

•  Active driving display malfunction

•  Door-electrical supply unit malfunction

Diagnostic Procedure

Step

Inspection

Results

Action

1

VERIFY ALL SYSTEM DTCs

•  Perform the DTC inspection.
(See DTC INSPECTION.)

•  Are any DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

Go to the next step.

2

INSPECT LIGHT SWITCH FOR MALFUNCTION

•  Inspect the applicable part.
(See LIGHT SWITCH INSPECTION [(E)].)

•  Is the part normal?

Yes

Go to the next step.

No

Repair or replace the malfunctioning location and perform the repair completion verification.

(See LIGHT SWITCH REMOVAL/INSTALLATION [(E)].)

3

INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION

•  Inspect the applicable part.
(See INSTRUMENT CLUSTER INSPECTION [(E)].)

•  Is the part normal?

Yes

Go to the next step.

No

Repair or replace the malfunctioning location and perform the repair completion verification.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

Repair completion verification

VERIFY THAT VEHICLE IS REPAIRED

•  Install/connect the part removed/disconnected during the troubleshooting procedure.

•  Has the malfunction symptom been eliminated?

Yes

Complete the symptom troubleshooting. (Explain contents of repair to customer)

No

Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)

If the CAN communication is normal, perform the diagnosis from Step 1.

•  If the malfunction is not resolved, replace the door-electrical supply unit.
(See DOOR-ELECTRICAL SUPPLY UNIT REMOVAL/INSTALLATION.)

Description	• Brightness of blind spot monitoring (BSM) warning indication is too bright. • Brightness of blind spot monitoring (BSM) warning indication is too dark.
Possible cause	• Light switch malfunction • Instrument cluster malfunction • Active driving display malfunction • Door-electrical supply unit malfunction

Step	Inspection	Results	Action
1	VERIFY ALL SYSTEM DTCs • Perform the DTC inspection. (See DTC INSPECTION.) • Are any DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
1		No	Go to the next step.
2	INSPECT LIGHT SWITCH FOR MALFUNCTION • Inspect the applicable part. (See LIGHT SWITCH INSPECTION [(E)].) • Is the part normal?	Yes	Go to the next step.
2		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See LIGHT SWITCH REMOVAL/INSTALLATION [(E)].)
3	INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION • Inspect the applicable part. (See INSTRUMENT CLUSTER INSPECTION [(E)].) • Is the part normal?	Yes	Go to the next step.
3		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
Repair completion verification	VERIFY THAT VEHICLE IS REPAIRED • Install/connect the part removed/disconnected during the troubleshooting procedure. • Has the malfunction symptom been eliminated?	Yes	Complete the symptom troubleshooting. (Explain contents of repair to customer)
Repair completion verification		No	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].) If the CAN communication is normal, perform the diagnosis from Step 1. • If the malfunction is not resolved, replace the door-electrical supply unit. (See DOOR-ELECTRICAL SUPPLY UNIT REMOVAL/INSTALLATION.)