Work Flow

DETAILED FLOW 

1. INTERVIEW FROM THE CUSTOMER 
   1. Clarify customer complaints before inspection. First of all, perform an interview utilizing Diagnostic Work Sheet  and reproduce the symptom as well as fully understand it. Ask customer about his/her complaints carefully. Check symptoms by driving vehicle with customer, if necessary.
      CAUTION:

      Customers are not professional. Never guess easily like "maybe the customer means that...," or " maybe the customer mentions this symptom".

   >>

   GO TO 2.

2. CHECK SYMPTOM 
   1. Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by interview. Also check that the symptom is not caused by fail-safe mode. Refer to Fail-Safe .
      CAUTION:

      When the symptom is caused by normal operation, fully inspect each portion and obtain the understanding of customer that the symptom is not caused by a malfunction.

   >>

   GO TO 3.

3. PERFORM THE SELF DIAGNOSTIC RESULT 
   1. CONSULT
      1. Ignition OFF (Auto ACC function OFF) to ON.
      2. Select "Self Diagnostic Result" mode of "ABS".

   Is DTC detected?

   YES>>

   Record or print self-diagnosis results and freeze frame data (FFD). GO TO 4.

   NO>>

   GO TO 6.

4. RECHECK THE SYMPTOM 
   1. CONSULT
      1. Erase "Self Diagnostic Result" mode of "ABS".
      2. Ignition OFF (Auto ACC function OFF) → ON → OFF (Auto ACC function OFF).
      3. Perform DTC confirmation procedures for the error-detected system.
         NOTE: If some DTCs are detected at the same time, determine the order for performing the diagnosis based on DTC Inspection Priority Chart .

   Is DTC detected?

   YES>>

   GO TO 5.

   NO>>

   Check harness and connectors based on the information obtained by interview. Refer to Intermittent Incident .

5. REPAIR OR REPLACE ERROR-DETECTED PART 
   1. CONSULT
      1. Disconnect 12 V battery negative terminal.
      2. Repair or replace error-detected parts.
      3. Reconnect part or connector after repairing or replacing.
      4. Connect 12 V battery negative terminal.
      5. When DTC is detected, erase "Self Diagnostic Result" mode of "ABS".
         CAUTION:

         Ignition OFF (Auto ACC function OFF) → ON → OFF (Auto ACC function OFF) after erase self-diagnosis result.

   >>

   GO TO 7.

6. IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS 
   1. Estimate error-detected system based on symptom diagnosis and perform inspection.

   Can the error-detected system be identified?

   YES>>

   GO TO 7.

   NO>>

   Check harness and connectors based on the information obtained by interview. Refer to Intermittent Incident .

7. FINAL CHECK 
   1. CONSULT
      1. Check the reference value for "ABS".
      2. Recheck the symptom and check that the symptom is not reproduced on the same conditions.

   Is the symptom reproduced?

   YES>>

   GO TO 3.

   NO>>

   Inspection End.