NAVIGATION SYSTEM (for DVD) > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here

HINT:

Use these procedures to troubleshoot the navigation system.

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Standard voltage:

11 to 14 V


If the voltage is below 11 V, recharge or replace the battery before proceeding.

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1. Turn the ignition switch to ACC.
   

2. Check whether or not the display appears on the navigation receiver assembly.
   

   Result 

   Result	Proceed to
   Display appears	A
   Display does not appear	B

B.	Go to step 6

1. Check for DTCs and note any codes that are output.
   

2. Clear the DTCs.
   

3. Recheck for DTCs. Based on the DTCs output in the first step, try to force output of the navigation system DTCs by simulating the conditions indicated by the DTCs.
   

   HINT:

   1. If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal and repair or replace problem parts.
      
   2. Even if the malfunction symptom is not confirmed, check for DTCs as the system stores past DTCs.
      
   3. Refer to the detailed description on the diagnostic screen as necessary (Click here).
      
   4. Check and clear past diagnostic trouble codes. Check the diagnostic trouble code and inspect the area the code indicates.
      

   Result 

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

B.	Go to step 7
A

Result 

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

B.	Go to step 7
A

1. Terminals of ECU (Click here).
   

2. Inspect the front No. 1 speaker (Click here).
   

3. Inspect the front No. 2 speaker (Click here).
   

4. Inspect the rear No. 1 speaker (Click here).
   

5. Inspect the steering pad switch (Click here).
   

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