2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > ULTRASONIC MISACCELERATION MITIGATION SYSTEM/CORNER SENSOR SYSTEM > DIAGNOSIS CODE PROCEDURES > CODE No. C2221 SONAR ECU internal buzzer
Code No. C2221 SONAR ECU internal buzzer
OPERATION
When the system detects that the buzzer integrated in the clearance warning control unit fails, diagnosis code No. C2221 will beset.
TROUBLE JUDGEMENT
The condition below is satisfied:
- The built-in buzzer circuit fails for at least three seconds.
PROBABLE CAUSES
- Malfunction of clearance warning control unit
DIAGNOSIS PROCEDURE
Check whether the diagnosis code is set again.
