How To Proceed With Troubleshooting [07/2015 - ]: Procedure

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See step  2

• 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 problem analysis:

Result

Result:  1

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See step  3

1. Measure the auxiliary battery voltage with the power switch off.

   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

   Proceed to
   NEXT

Result:  1

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See step  4

1. Using the Techstream, inspect the LIN communication function to ensure there are no malfunctions in the communication system. Refer to DTC CHECK / CLEAR [07/2015 - ] 

   Result

   Result	Proceed to
   DTCs is not output	A
   DTCs is output	B

Result:  2

B 

PROCEED TO DIAGNOSTIC TROUBLE CODE CHART 

Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ] 

Result:  1

A 

See step  5

1. Terminals of ECU. Refer to TERMINALS OF ECU [07/2015 - ] 
2. Data List / Active Test. Refer to DATA LIST / ACTIVE TEST [07/2015 - ] 

   Result

   Proceed to
   NEXT

Result:  1

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See step  6

Result

Result:  1

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See step  7

Result

Result:  1

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END