How To Proceed With Troubleshooting

Total OBD & ECU Auto Diagnostics

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VEHICLE BROUGHT INTO A WORKSHOP

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DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION

(a) Ask the customer about symptoms and confirm malfunctions.

THE SCREEN DISPLAYS NOTHING (GO TO STEP 8, AND PROCEED TO "BLACK SCREEN")

OTHER SYMPTOMS (GO TO STEP 3)

CONFIRM THE SYSTEM NORMAL CONDITION

APPLICABLE (THIS IS NOT A MALFUNCTION)

NOT APPLICABLE (GO TO STEP 4)

CHECK DTC

HINT:

If the system cannot enter the diagnostic mode, inspect the AVC-LAN and all the components that connect to the AVC-LAN for short circuits and repair or replace the problem part.

A CODE IS OUTPUT (GO TO STEP 5)

A CODE IS NOT OUTPUT (GO TO STEP 8)

DTC CLEAR

(a) 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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