LANE-KEEP ASSIST SYSTEM CANNOT BE TURNED OFF [LANE-KEEP ASSIST SYSTEM]

id1503b4002200

Outline

Description

•  Lane-keep assist system cannot be turned off even if i-ACTIVSENSE switch (with i-ACTIVSENSE switch) / i-ACTIVSENSE OFF switch (with i-ACTIVSENSE OFF switch) is pressed.

Possible cause

•  i-ACTIVSENSE switch (with i-ACTIVSENSE switch) / i-ACTIVSENSE OFF switch (with i-ACTIVSENSE OFF switch) malfunction

•  BCM 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 i-ACTIVSENSE SWITCH (WITH i-ACTIVSENSE SWITCH) / i-ACTIVSENSE OFF SWITCH (WITH i-ACTIVSENSE OFF SWITCH) FOR MALFUNCTION

•  Inspect the applicable part.
(See i-ACTIVSENSE SWITCH INSPECTION.)

(See i-ACTIVSENSE OFF SWITCH INSPECTION.)

•  Is the part normal?

Yes

Go to the next step.

No

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

(See i-ACTIVSENSE SWITCH REMOVAL/INSTALLATION.)

(See i-ACTIVSENSE OFF SWITCH 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 BCM.
(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)

Description	• Lane-keep assist system cannot be turned off even if i-ACTIVSENSE switch (with i-ACTIVSENSE switch) / i-ACTIVSENSE OFF switch (with i-ACTIVSENSE OFF switch) is pressed.
Possible cause	• i-ACTIVSENSE switch (with i-ACTIVSENSE switch) / i-ACTIVSENSE OFF switch (with i-ACTIVSENSE OFF switch) malfunction • BCM 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 i-ACTIVSENSE SWITCH (WITH i-ACTIVSENSE SWITCH) / i-ACTIVSENSE OFF SWITCH (WITH i-ACTIVSENSE OFF SWITCH) FOR MALFUNCTION • Inspect the applicable part. (See i-ACTIVSENSE SWITCH INSPECTION.) (See i-ACTIVSENSE OFF SWITCH INSPECTION.) • 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 i-ACTIVSENSE SWITCH REMOVAL/INSTALLATION.) (See i-ACTIVSENSE OFF SWITCH 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 BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)