Audio And Visual System (W/ Navigation System) How To Proceed With Troubleshooting
VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION
OPERATION CHECK
CHECK CAN COMMUNICATION SYSTEM*
CHECK FOR DTC*
CLEAR DTC*
RECHECK FOR DTC*
DIAGNOSTIC TROUBLE CODE CHART
CHECK HARD DISK DRIVE
PROBLEM SYMPTOMS TABLE
PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM
CHECK CIRCUIT
RECHECK FOR DIAGNOSTIC TROUBLE CODE
PERFORM CONFIRMATION TEST
Audio And Visual System (W/ Navigation System) -- How To Proceed With Troubleshooting |
- HINT:
- Use the following procedure to troubleshoot the audio and visual system.
- *: Use the intelligent tester.
1.VEHICLE BROUGHT TO WORKSHOP |
2.INSPECT BATTERY VOLTAGE |
Measure the battery voltage with the engine switch off.
- Standard voltage:
- 11 to 14 V
- If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
3.DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION |
Ask the customer about symptoms and confirm malfunctions.
ResultResult
| Proceed to
|
Other symptoms occurred.
| A
|
The screen displays nothing.
| B
|
Refer to Check System Normal Condition (Click here).
ResultResult
| Proceed to
|
Symptom is not normal operation.
| A
|
Symptom is normal operation.
| B
|
| SYMPTOM IS NORMAL OPERATION |
|
|
5.CHECK CAN COMMUNICATION SYSTEM* |
Check for DTC output (Click here).
ResultResult
| Proceed to
|
CAN DTCs are not output.
| A
|
CAN DTCs are output (for LHD).
| B
|
CAN DTCs are output (for RHD).
| C
|
Refer to DTC Check/Clear (Click here).
ResultResult
| Proceed to
|
DTCs are output.
| A
|
DTCs are not output. (The multi-display assembly displays content.)
| B
|
DTCs are not output. (The multi-display assembly does not display anything.)
| C
|
- HINT:
- If more information is needed, perform a check using the "System Check Mode" screen after checking for DTCs using the intelligent tester.
Refer to DTC Check/Clear (Click here).
- HINT:
- The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
Refer to DTC Check/Clear (Click here).
ResultResult
| Proceed to
|
DTCs are output.
| A
|
DTCs are not output.
| B
|
- HINT:
- Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
- If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the intelligent tester.
- Check the DTCs and inspect the area that the code indicates.
9.DIAGNOSTIC TROUBLE CODE CHART |
Find the output code in Diagnostic Trouble Code Chart (Click here).
- NOTICE:
- The audio and visual system (w/ Navigation System) outputs DTCs for the following system.
- When DTCs other than those in Diagnostic Trouble Code Chart for the audio and visual system (w/ Navigation System) are output, refer to Diagnostic Trouble Code Chart for the relevant system.
- Refer to Navigation System (Click here).
- Refer to Rear Seat Entertainment System (Click here).
ResultResult
| Proceed to
|
DTCs for the audio and visual system are output.
| A
|
DTCs for the navigation system are output.
| B
|
DTCs for the rear seat entertainment system are output.
| C
|
Enter the "Failure Diagnosis" screen. Refer to Check Hard Disk Drive in Operation Check (Click here).
- OK:
- "OK" is displayed.
11.PROBLEM SYMPTOMS TABLE |
Refer to Problem Symptoms Table (Click here).
ResultResult
| Proceed to
|
Fault is not listed in Problem Symptoms Table.
| A
|
Fault is listed in Problem Symptoms Table.
| B
|
- HINT:
- If the symptom does not recur and no DTCs are output, attempt to reproduce the symptoms (Click here).
| ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
|
|
12.PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM |
Refer to Terminals of ECU (Click here).
Adjust, repair or replace as necessary.
14.RECHECK FOR DIAGNOSTIC TROUBLE CODE |
- HINT:
- After clearing DTCs, recheck for DTCs (Click here).
15.PERFORM CONFIRMATION TEST |