Detailed Flow

INTERVIEW AND SYMPTOM CONFIRMATION
Check the malfunction symptoms by performing the following items.
- Interview the customer to obtain the malfunction information (conditions and environment when the malfunction occurred).
- Check if mud, or other foreign objects are not on sonar sensor.
- Check if there is no deformation, scratches, or other damage to the sonar sensor.
- Check if water has not accumulated in the sonar sensor.
- Check the symptom.
  Is the occurred symptom malfunction?
  
  YES: GO TO 2.
  
  NO: INSPECTION END
DIAGNOSIS WITH CONSULT
1. Connect CONSULT and perform a self-diagnosis for "SONAR". Refer to "CONSULT FUNCTION ".
2. When DTC is detected, follow the instructions below:
  - Record DTC and Freeze Frame Data.
  Is DTC displayed?
  
  YES: GO TO 3.
  
  NO: GO TO 4.
TROUBLE DIAGNOSIS FOR DTC
1. Check the DTC indicated in the self-diagnosis results.
2. Perform the relevant diagnosis referring to the DTC Index. Refer to "DTC INDEX ".
  : GO TO 5.
TROUBLE DIAGNOSIS FOR SYMPTOMS
Perform the relevant diagnosis referring to the diagnosis chart by symptom. Refer to "SYMPTOM TABLE ".

: GO TO 5.
ERROR PART REPAIR
1. Repair or replace the identified malfunctioning parts.
2. Perform a self-diagnosis for "SONAR" with CONSULT.
3. Check that the symptom does not occur.
  Does the symptom occur?
  
  YES: GO TO 1.
  
  NO: INSPECTION END