Audio And Visual System (W/ Navigation System) - How To Proceed With Troubleshooting
AUDIO AND VISUAL SYSTEM (w/ Navigation System) - HOW TO PROCEED WITH TROUBLESHOOTING
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 ().
ResultResult | Proceed to |
Symptom is not normal operation. | A |
Symptom is normal operation. | B |
| SYMPTOM IS NORMAL OPERATION |
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5.CHECK CAN COMMUNICATION SYSTEM* |
Check for DTC output ().
ResultResult | Proceed to |
CAN DTCs are not output. | A |
CAN DTCs are output (for LHD). | B |
CAN DTCs are output (for RHD). | C |
| GO TO CAN COMMUNICATION SYSTEM () |
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| GO TO CAN COMMUNICATION SYSTEM () |
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Refer to DTC Check/Clear ().
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 |
- 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 ().
- The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
Refer to DTC Check/Clear ().
ResultResult | Proceed to |
DTCs are output. | A |
DTCs are not output. | B |
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 ().
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 ().
Refer to Rear Seat Entertainment System ().
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 |
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| GO TO NAVIGATION SYSTEM () |
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| GO TO REAR SEAT ENTERTAINMENT SYSTEM () |
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Enter the "Failure Diagnosis" screen. Refer to Check Hard Disk Drive in Operation Check ().
11.PROBLEM SYMPTOMS TABLE |
Refer to Problem Symptoms Table ().
ResultResult | Proceed to |
Fault is not listed in Problem Symptoms Table. | A |
Fault is listed in Problem Symptoms Table. | B |
- If the symptom does not recur and no DTCs are output, attempt to reproduce the symptoms ().
| ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
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12.PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM |
Refer to Terminals of ECU ().
Adjust, repair or replace as necessary.
14.RECHECK FOR DIAGNOSTIC TROUBLE CODE |
- After clearing DTCs, recheck for DTCs ().
15.PERFORM CONFIRMATION TEST |