1) Connect the scan tool.
2) Turn ON the ignition switch.
3) Observe the DTC information with a scan tool. Is a DTC set?
Yes (Models with radar sensors/stereo cameras)
=>Go to Body CAN communication circuit inspection and Chassis CAN communication circuit inspection.
Yes (Models without radar sensors and stereo cameras)
=>Go to CAN communication circuit inspection.
No
Go to Intermittent conditions of parking aid system.
Refer to "233.Driver Assistance System 46D.Symptom(Parking Aid) intermittent conditions of parking aid system".
1) Perform the Body CAN communication circuit inspection and Chassis CAN communication circuit inspection.
Refer to "64.Body Control 10I.Troubleshooting(Central GateWay) body CAN communication circuit inspection".
Refer to "64.Body Control 10I.Troubleshooting(Central GateWay) chassis CAN communication circuit inspection".
Procedure completion
=>Go to Current DTC follow-up check.
1) Perform Scan tool does not communicate with CAN device.
Procedure completion
=>Go to Current DTC follow-up check.
1) Clear the DTC with a scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool. Is a DTC set?
Yes
=>Go to Parking aid system control unit replacement.
No
Note
Procedure completion
1) Clear the DTC with a scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool.