Tech Tips
Use the following procedure to troubleshoot the audio and visual system.
*: Use the intelligent tester.
VEHICLE BROUGHT TO WORKSHOP
| NEXT |
|
INSPECT BATTERY VOLTAGE
| Standard Voltage |
|---|
| 11 to 14 V |
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
| NEXT |
|
BASIC INSPECTION
Turn the engine switch on (IG).
Check whether or not the radio receiver assembly turns on.
| Result | Proceed to |
|---|---|
| Radio receiver assembly turns on. | A |
| Radio receiver assembly does not turn on. | B |
| B |
|
Go to step 8 |
| A |
|
CHECK FOR DTC*
Refer to DTC Check/Clear of the navigation system.
Refer to Navigation System (for HDD) Click here.
Refer to Navigation System (for DVD) Click here.
| Result | Proceed to |
|---|---|
| DTC is output. | A |
| DTC is not output. | B |
Tech Tips
After the check using the intelligent tester, check the "System Check Mode" screen as necessary.
| B |
|
Go to step 8 |
| A |
|
DTC CLEAR*
Refer to DTC Check/Clear of the navigation system.
Refer to Navigation System (for HDD) Click here.
Refer to Navigation System (for DVD) Click here.
Tech Tips
The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
| NEXT |
|
RECHECK FOR DTC*
Refer to DTC Check/Clear of the navigation system.
Refer to Navigation System (for HDD) Click here.
Refer to Navigation System (for DVD) Click here.
| Result | Proceed to |
|---|---|
| DTC is output. | A |
| DTC is not output. | B |
Tech Tips
Even if the malfunction symptom is not confirmed, check for diagnostic trouble codes. This is because the system stores past diagnostic trouble codes.
After the check using the intelligent tester, check the "System Check Mode" screen as necessary.
Check the diagnostic trouble code and inspect the area code indicates.
| B |
|
Go to step 9 |
| A |
|
DIAGNOSTIC TROUBLE CODE CHART
Find the output code in Diagnostic Trouble Code Chart Click here.
Note
The navigation system outputs DTCs for the following systems.
When DTCs other than the codes in Diagnostic Trouble Code Chart for the audio and visual system are output, refer to Diagnostic Trouble Code Chart for the following systems.
Refer to Navigation System (for HDD) Click here.
Refer to Navigation System (for DVD) Click here.
| Result | Proceed to |
|---|---|
| Audio and Visual System (w/ Navigation System) are output. | A |
| Navigation System (for HDD) are output. | B |
| Navigation System (for DVD) are output. | C |
| A |
|
Go to step 10 |
| B |
|
GO TO NAVIGATION SYSTEM (for HDD) |
| C |
|
GO TO NAVIGATION SYSTEM (for DVD) |
PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table Click here.
| Result | Proceed to |
|---|---|
| Fault is not listed in Problem Symptoms Table. | A |
| Fault is listed in Problem Symptoms Table. | B |
Tech Tips
If the symptom does not recur and no DTC is output, perform the symptom reproduction method Click here.
| B |
|
Go to step 11 |
| A |
|
CHECK ECU TERMINAL ARRANGEMENT BASED ON MALFUNCTION SYMPTOM
Refer to Terminals of ECU Click here.
| NEXT |
|
CHECK CIRCUIT
Adjust, repair or replace as necessary.
| NEXT |
|
RECHECK FOR DIAGNOSTIC TROUBLE CODE
Tech Tips
After clearing DTCs, recheck for DTCs.
| NEXT |
|
PERFORM CONFIRMATION TEST
| NEXT |
|
| END |