How To Proceed With Troubleshooting [12/2015 - ]: Procedure

Result

Result: 

NEXT 

See step  2

HINT: 

• In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
• Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
• The following 5 items are important points in the problem analysis:

  What	Vehicle model, system name
  When	Date, time, occurrence frequency
  Where	Road conditions
  Under what conditions?	Running conditions, driving conditions, weather conditions
  How did it happen?	Problem symptoms

Result

Result: 

NEXT 

See step  3

1. Measure the battery voltage.

   Standard voltage

   11 to 14 V

   If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Use the Techstream to check if the CAN communication system is functioning normally.

   Result

   Result	Proceed to
   ECU connected, communication line is functioning normally.	A
   ECU connected, communication line is malfunctioning.	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 11/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ] 

Result: 

A 

See step  5

1. Use the Techstream to check if the LIN communication system (LIN) is functioning normally.

   Refer to DTC CHECK / CLEAR [12/2015 - ]

   Result

   Result	Proceed to
   LIN DTC is not output.	A
   LIN DTC is output.	B

Result: 

B 

GO TO LIN COMMUNICATION SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2015 - 11/2017]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2017 - ] 

Result: 

A 

See step  6

1. Check for DTCs and note any codes that are output.
2. Clear the DTCs.
3. Recheck for DTCs. Based on the DTCs output, try to cause the same steering lock system DTC, wireless door lock control system DTC or smart key system (for start function) DTC to be output by simulating the symptoms indicated by the DTCs.

   Result

   Result	Proceed to
   DTC is not output.	A
   Steering lock system DTC is output.	B
   Engine immobiliser system DTC is output.	C
   Wireless door lock control system DTC is output.	D
   Smart key system (for start function) DTC is output.	E

Result: 

B 

GO TO STEERING LOCK SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2015 - ] 

Result: 

C 

GO TO ENGINE IMMOBILISER SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2015 - 08/2016]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2016 - ] 

Result: 

D 

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2015 - ] 

Result: 

E 

GO TO SMART KEY SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2015 - ] 

Result: 

A 

See step  7

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [12/2015 - ] 

   Result

   Result	Proceed to
   Fault is not listed in Problem Symptoms Table.	A
   Fault is listed in Problem Symptoms Table.	B

Result: 

B 

See step  9

Result: 

A 

See step  8

1. Operation Check

   Refer to OPERATION CHECK [12/2015 - ] 

2. Data List / Active Test

   Refer to DATA LIST / ACTIVE TEST [12/2015 - ] 

3. Terminals of ECU

   Refer to TERMINALS OF ECU [12/2015 - ] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  9

Result

Result: 

NEXT 

See step  10

Result

Result: 

NEXT 

END