How To Proceed With Troubleshooting

NEXT: Go to next step 

1. Inspect the 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: Go to next step 

1. Turn the ignition switch to ON.
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   7 

   A: Go to next step 

Result

B → Go to   7 

A: Go to next step 

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

   HINT: 

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

     Result

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

   B → Go to   7 

   A: Go to next step 

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

   NEXT → Go to   9 

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

   Result

   Result	Proceed to
   Fault is not listed in Problem Symptoms Table	A
   Fault is listed in Problem Symptoms Table	B

   B → Go to   9 

   A: Go to next step 

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

   NEXT: Go to next step 

NEXT: Go to next step 

NEXT → END