How To Proceed With Troubleshooting [08/2014 - ]: Procedure

Result

Result:  1

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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:  1

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Standard Voltage

11 to 14 V

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

Result

Result:  1

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

   Result

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

Result:  2

B 

GO TO LIN COMMUNICATION SYSTEM 

(Refer to How To Proceed With Troubleshooting [08/2014 - ] )

Result:  1

A 

Refer to  5

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

   Result

   Result	Proceed to
   CAN DTC is not output	A
   CAN DTC is output	B

Result:  2

B 

GO TO CAN COMMUNICATION SYSTEM 

(Refer to How To Proceed With Troubleshooting [08/2014 - ] )

Result:  1

A 

Refer to  6

1. Proceed to Problem Symptoms Table (Refer to Problem Symptoms Table [08/2014 - ] ).

   Result

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

Result:  2

B 

Refer to  8

Result:  1

A 

Refer to  7

1. Operation Check (Refer to Operation Check [08/2014 - ] )
2. Data List / Active Test (Refer to Terminals Of ECU [08/2014 - ] )
3. Terminals of ECU (Refer to Data List / Active Test [08/2014 - ] )

   Result

   Proceed to
   NEXT

Result:  1

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Result

Result:  1

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Refer to  9

Result

Result:  1

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END