HOW TO PROCEED WITH TROUBLESHOOTING

Troubleshooting

1.VEHICLE BROUGHT INTO A WORKSHOP

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2.DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION

3.CHECK MULTIPLEX COMMUNICATION SYSTEM (BEAN)

Use the intelligent tester to check for normal function of the body multiplex communication system.

4.CONFIRM THE SYSTEM NORMAL CONDITION

5.CHECK DTC

HINT:
: If the system cannot enter the diagnostic mode, inspect each AVC-LAN communication component and repair or replace problem parts.

6.DTC CLEAR

Clear the DTCs and finish the diagnostic mode.

HINT:

The currently output DTCs may not indicate actual malfunctions depending on the vehicle conditions.

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7.RECHECK DTC

HINT:

If the system cannot enter the diagnosis mode, inspect the AVC-LAN and all the components that connect to the AVC-LAN for short circuits.
Even if the malfunction symptom is not confirmed, check for diagnostic trouble codes. This is because the system stores past diagnostic trouble codes.
Refer to the detailed description on the diagnostic screen, as necessary (Click here).
Check the diagnostic trouble code and inspect the area the code indicates.

8.DIAGNOSTIC TROUBLE CODE CHART

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9.PROBLEM SYMPTOMS TABLE

Find the applicable symptom code in the problem symptoms table.

HINT:

If the symptom does not recur and no code is output, perform the symptom reproduction method (Click here).

10.CHECK THE ECU TERMINAL ARRANGEMENT BASED ON THE MALFUNCTION SYMPTOM

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11.CHECK THE CIRCUIT

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12.RECHECK THE DIAGNOSTIC TROUBLE CODE

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13.PERFORM CONFIRMATION TEST

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