How To Proceed With Troubleshooting

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Standard Voltage

11 to 14 V

• If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

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1. Turn the engine switch on (IG).
2. Check whether or not the radio receiver assembly turns on.

   Result

   Result	Proceed to
   Radio receiver assembly turns on	A
   Radio receiver assembly does not turn on	B

   B → Go to   6 

   A: Go to next step 

HINT: 

Refer to DTC Check/Clear. Refer to DTC CHECK / CLEAR .

1. Check for DTCs and note any codes that are output.
2. Clear the DTCs.
3. Recheck for DTCs by simulating the operation indicated by the DTCs.

   HINT: 

   • If the system cannot enter diagnostic mode, inspect the AVC-LAN and all the components that connect to the AVC-LAN for short circuits and repair or replace the malfunctioning part.
   • Even if the symptom malfunction is not confirmed, check the DTCs. This is because the system stores past DTCs.
   • Check and clear past DTCs. Then recheck for DTCs.

     Result

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

   B → Go to   6 

   A: Go to next step 

HINT: 

Refer to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .

NEXT → Go to   8 

HINT: 

Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .

Result

B → Go to   8 

A: Go to next step 

HINT: 

Refer to Terminals of ECU. Refer to TERMINALS OF ECU .

NEXT: Go to next step 

NEXT: Go to next step 

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