i-ACTIVSENSE STATUS SYMBOL TURNS ON IN WHITE OR GREEN BUT LANE DEPARTURE WARNING SYSTEM DOES NOT OPERATE [LANE DEPARTURE WARNING SYSTEM (LDWS)]

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Note

• Due to environmental effects, the system behavior may differ from the driver’s intentions even though the vehicle has no malfunction. To perform symptom troubleshooting, an understanding of the applicable system from the new vehicle instruction is required. For details on the control conditions of the system, refer to the [LANE DEPARTURE WARNING SYSTEM (LDWS)] operation in the new vehicle instruction.

Outline

Description

•  i-ACTIVSENSE status symbol turns on in white or green but LDWS does not operate.

Possible cause

•  Insufficient headlight brightness

―  Front combination light malfunction

―  Front combination light optical axis deviation

―  Dirt on area around front combination light

•  Water droplets, condensation, or dirt on area around forward sensing camera (FSC)

•  Personalization feature not set

•  Forward sensing camera (FSC) 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

VERIFY MALFUNCTION SYMPTOM

•  Does the applicable malfunction occur only at nighttime?

Yes

Go to the next step.

No

Go to Step 4.

3

VERIFY FRONT COMBINATION LIGHT CONDITION

•  Visually verify the applicable part.

•  Do any of the following apply?

―  Front combination light malfunction

―  Front combination light optical axis deviation

―  Dirt on area around front combination light

Yes

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

(See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION.)

No

Go to the next step.

4

VERIFY CONDITION AROUND FORWARD SENSING CAMERA (FSC)

•  Visually verify the applicable part.

•  Are there any water droplets, condensation, or dirt?

Yes

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

No

Go to the next step.

5

VERIFY PERSONALIZATION FEATURES SETTING

•  Verify the lane-keep assist system status using the personalization features.

•  Has the lane-keep assist system been turned off?

Yes

Complete the symptom troubleshooting. (Explain the system operation conditions to the customer.)

No

Go to the next step.

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 forward sensing camera (FSC).
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)

Description	• i-ACTIVSENSE status symbol turns on in white or green but LDWS does not operate.
Possible cause	• Insufficient headlight brightness ― Front combination light malfunction ― Front combination light optical axis deviation ― Dirt on area around front combination light • Water droplets, condensation, or dirt on area around forward sensing camera (FSC) • Personalization feature not set • Forward sensing camera (FSC) 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	VERIFY MALFUNCTION SYMPTOM • Does the applicable malfunction occur only at nighttime?	Yes	Go to the next step.
2		No	Go to Step 4.
3	VERIFY FRONT COMBINATION LIGHT CONDITION • Visually verify the applicable part. • Do any of the following apply? ― Front combination light malfunction ― Front combination light optical axis deviation ― Dirt on area around front combination light	Yes	Repair or replace the malfunctioning location and perform the repair completion verification. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION.)
3		No	Go to the next step.
4	VERIFY CONDITION AROUND FORWARD SENSING CAMERA (FSC) • Visually verify the applicable part. • Are there any water droplets, condensation, or dirt?	Yes	Repair or replace the malfunctioning location and perform the repair completion verification.
4		No	Go to the next step.
5	VERIFY PERSONALIZATION FEATURES SETTING • Verify the lane-keep assist system status using the personalization features. • Has the lane-keep assist system been turned off?	Yes	Complete the symptom troubleshooting. (Explain the system operation conditions to the customer.)
5		No	Go to the next step.
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 forward sensing camera (FSC). (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)