Detailed Flow

Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred) using diagnosis worksheet. Refer to "DIAGNOSTIC WORK SHEET ".

GO TO 2.

Check the following items based on the information obtained from the customer.

• Fail-safe. Refer to "FAIL-SAFE ".
• A/T fluid leakage.
• Stall test. Refer to "INSPECTION AND JUDGMENT ".
• Line pressure test. Refer to "INSPECTION AND JUDGMENT ".

  GO TO 3.

1. Check DTC.
2. Perform the following procedure if DTC is detected.
   • Record DTC.
   • Erase DTC.

   Is any DTC detected? 

   YES: GO TO 4.

   NO: GO TO  6.

Perform "DTC CONFIRMATION PROCEDURE" of the appropriate DTC to check if DTC is detected again.

Is any DTC detected? 

YES: GO TO 5.

NO: Check according to "INTERMITTENT INCIDENT ".

Repair or replace the detected malfunctioning parts.

Reconnect parts or connector after repairing or replacing, and then erase DTC if necessary.

GO TO  8.

Check the malfunction described by the customer on the vehicle.

Verify the relationship between the symptom and the conditions in which the malfunction described by the customer occurs.

GO TO 7.

Use "SYMPTOM TABLE " from the symptom inspection result in step  6. Then identify where to start performing the diagnosis based on possible causes and symptoms.

GO TO 8.

Perform "DTC CONFIRMATION PROCEDURE" again to make sure that the repair is correctly performed. Check that malfunctions are not reproduced when obtaining the malfunction information from the customer.

Is DTC or malfunction symptom reproduced? 

YES-1: DTC is reproduced: GO TO  4.

YES-2: Malfunction symptom is reproduced: GO TO  7.

NO: Before delivering the vehicle to the customer, make sure that DTC is erased.