How To Proceed With Troubleshooting
- VEHICLE BROUGHT INTO A WORKSHOP
- NEXT: Go to next step.
- DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION (SEE CUSTOMER PROBLEM ANALYSIS CHECK
)
Ask the customer about symptoms and confirm malfunctions. Fill out the Customer Problem Analysis check sheet.
- CONFIRM THE SYSTEM NORMAL CONDITION (SEE SYSTEM NORMAL CONDITION CHECK
)
- APPLICABLE (THIS IS NOT A MALFUNCTION.)
- NOT APPLICABLE (GO TO STEP 4 )
- CHECK THE DIAGNOSTIC TROUBLE CODES (SEE SYSTEM CHECK MODE (DTC CHECK)
)
HINT:
- If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal and repair or replace problem parts (see AVC-LAN CIRCUIT (NAVIGATION ECU - MULTI-DISPLAY) to AVC-LAN CIRCUIT (STEREO COMPONENT CONTROLLER ASSY - RADIO RECEIVER ASSY) ).
- 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 (see DIAGNOSIS DISPLAY DETAILED DESCRIPTION ).
- Check and clear the past diagnostic trouble codes. Check for diagnostic trouble codes and inspect the areas indicated by the codes.
- SEE DIAGNOSTIC TROUBLE CODE TABLE
Find the output code in the diagnostic trouble code table.
- NEXT GO TO STEP 8 .
- SEE 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 (See HOW TO PROCEED WITH TROUBLESHOOTING ).
- CHECK THE ECU TERMINAL ARRANGEMENT BASED ON THE MALFUNCTION SYMPTOM (SEE TERMINALS OF ECU
)
- NEXT: Go to next step.
- CHECK THE CIRCUIT
Adjust, repair or replace as necessary.
- NEXT: Go to next step.
- RECHECK THE DIAGNOSTIC TROUBLE CODE (SEE SYSTEM CHECK MODE (DTC CLEAR/RECHECK)
)
HINT:
After deleting the DTCs, recheck for diagnostic trouble codes.
- NEXT: Go to next step.
- PERFORM CONFIRMATION TEST
- NEXT: END