SYSTEM PROBLEM NOTIFICATION IS DISPLAYED [PARKING SENSOR SYSTEM]

id0903n7070400

Outline

Description

•  System problem notification is displayed.

Possible cause

•  Function temporarily disabled

•  Scratches or dirt on area around ultrasonic sensor

•  Ultrasonic sensor malfunction

•  Parking assist unit (ultrasonic)

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 OPERATION RECORD

•  Verify the operation record for the time period when the malfunction occurred.
(See VEHICLE CONTROL MODULE (VCM) OPERATION RECORD.)

•  Is the operation record to disable the applicable function displayed?

Yes

The system is normal. (Explain to the customer that the system was temporarily restricted.)

No

Go to the next step.

3

VERIFY ULTRASONIC SENSOR CONDITION

•  Visually verify the applicable part.

•  Is the part normal?

Yes

Go to the next step.

No

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

(See FRONT ULTRASONIC SENSOR REMOVAL/INSTALLATION.)

(See REAR ULTRASONIC SENSOR REMOVAL/INSTALLATION.)

4

INSPECT ULTRASONIC SENSOR FOR MALFUNCTION

•  Inspect the applicable part.
(See FRONT ULTRASONIC SENSOR INSPECTION.)

(See REAR ULTRASONIC SENSOR 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 FRONT ULTRASONIC SENSOR REMOVAL/INSTALLATION.)

(See REAR ULTRASONIC SENSOR 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.)

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

•  If the malfunction is not resolved, replace the parking assist unit (ultrasonic).
(See PARKING ASSIST UNIT (ULTRASONIC) REMOVAL/INSTALLATION.)

Description	• System problem notification is displayed.
Possible cause	• Function temporarily disabled • Scratches or dirt on area around ultrasonic sensor • Ultrasonic sensor malfunction • Parking assist unit (ultrasonic)

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 OPERATION RECORD • Verify the operation record for the time period when the malfunction occurred. (See VEHICLE CONTROL MODULE (VCM) OPERATION RECORD.) • Is the operation record to disable the applicable function displayed?	Yes	The system is normal. (Explain to the customer that the system was temporarily restricted.)
2		No	Go to the next step.
3	VERIFY ULTRASONIC SENSOR CONDITION • Visually verify the applicable part. • 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 FRONT ULTRASONIC SENSOR REMOVAL/INSTALLATION.) (See REAR ULTRASONIC SENSOR REMOVAL/INSTALLATION.)
4	INSPECT ULTRASONIC SENSOR FOR MALFUNCTION • Inspect the applicable part. (See FRONT ULTRASONIC SENSOR INSPECTION.) (See REAR ULTRASONIC SENSOR INSPECTION.) • Is the part normal?	Yes	Go to the next step.
4		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See FRONT ULTRASONIC SENSOR REMOVAL/INSTALLATION.) (See REAR ULTRASONIC SENSOR 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.) If the CAN communication is normal, perform the diagnosis from Step 1. • If the malfunction is not resolved, replace the parking assist unit (ultrasonic). (See PARKING ASSIST UNIT (ULTRASONIC) REMOVAL/INSTALLATION.)