DTC Detection Logic

DTC

CONSULT screen terms

DTC detection condition

U1521

00

SONAR CAN COMMUNICATION 2

(Sonar CAN communication 2)

Diagnosis condition

• When engine is running
• When Backup Collision Intervention system is ON

Signal (terminal)

ITS communication signal

Threshold

ADAS control unit detects an error signal that is received from sonar control unit via ITS communication

Diagnosis delay time

1 second or less