Symptom Table

Symptom

Possible cause

Reference

Malfunction is detected in only 1 sensor of display (Always displayed in red).

• Sonar sensor circuit
• Sonar sensor

• Diagnosis Procedure  (front LH outer)

  Diagnosis Procedure  (front LH inner)

  Diagnosis Procedure  (front RH inner)

  Diagnosis Procedure  (front RH outer)

  Diagnosis Procedure  (rear LH inner)

  Diagnosis Procedure  (rear RH inner)

  Diagnosis Procedure  (rear LH outer)

  Diagnosis Procedure  (rear RH outer)

• Removal and Installation 

Malfunction is detected in all 4 sensors of display

(Always displayed in red).

• Sonar control unit power supply and ground circuits
• CAN communication circuits

• Diagnosis Procedure 
• Trouble Diagnosis Flow Chart