Detailed Flow

Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).

GO TO STEP 2 

CONSULT

Check "Self Diagnostic Result" mode of "AUTO DRIVE POS.".

Refer to DTC Index .

Is any symptom described and is any DTC displayed?

Symptom is described, DTC is displayed.

GO TO STEP 3  .

Symptom is not described, DTC is displayed.

GO TO STEP 5  .

Symptom is described, DTC is not displayed.

GO TO STEP 4  .

Try to confirm the symptom described by the customer.

GO TO STEP 5 

Try to confirm the symptom described by the customer.

GO TO STEP 6  .

Perform the confirmation procedure for the detected DTC.

Is the DTC displayed?

YES

GO TO STEP 8  .

NO

Check intermittent incident. Refer to Intermittent Incident .

Isolate the malfunctioning point with a basic inspection.

GO TO STEP 7  .

Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step 4 and determine the trouble diagnosis order based on possible causes and symptom.

GO TO STEP 8  .

Isolate the malfunctioning point by performing the diagnosis procedure relevant to the symptom during the component diagnosis.

GO TO STEP 9  .

Repair or replace the malfunctioning part.

GO TO STEP 10 

Perform the DTC confirmation procedure (if DTC is detected) or component function check (if no DTC is detected) again, and then check that the malfunction can be repaired securely.

Are all malfunctions corrected?

YES

Inspection End.

Symptom is detected.

GO TO STEP 6  .

DTC is detected.

GO TO STEP 8