NAVIGATION SYSTEM (for Built-in Memory), Diagnostic DTC:B15C3

DESCRIPTION

This DTC is stored when a malfunction occurs in the speakers.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK FOR DTC

   
   

   1. Clear the DTCs (Click here).

   2. Check for DTCs (Click here).

      OK
      No DTCs are output.

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

   
   

   • *1: for RH Side

   • *2: for LH Side

   
   

   1. Disconnect the J4*1 and/or K3*2 front No. 1 speaker assembly connector.

   2. Disconnect the H10*1 and/or H13*2 front No. 2 speaker assembly connector.

   3. Disconnect the H21*1 and/or H22*2 front No. 3 speaker assembly connector.

   4. Disconnect the H14 front No. 4 speaker assembly connector.

   5. Disconnect the L1*1 and/or M1*2 rear speaker set connector.

   6. Disconnect the L3*1 and/or M3*2 rear No. 2 speaker assembly connector.

   7. Disconnect the Q15*1 and/or R13*2 rear header speaker assembly connector.

   8. Disconnect the R24 No. 1 speaker with box assembly connector.

   9. Disconnect the H65 and H66 stereo component amplifier assembly connectors.

   10. Measure the resistance according to the value(s) in the table below.

       Standard Resistance

       Tester Connection Condition Specified Condition H65-4 (FR+) - H21-1 (TWR+)*1 Always Below 1 Ω H65-10 (FR-) - H21-2 (TWR-)*1 Always Below 1 Ω H21-3 (+) - H10-2*1 Always Below 1 Ω H21-4 (-) - H10-1*1 Always Below 1 Ω H66-10 (WFR+) - J4-1*1 Always Below 1 Ω H66-9 (WFR-) - J4-2*1 Always Below 1 Ω H65-3 (FL+) - H22-1 (TWL+)*2 Always Below 1 Ω H65-9 (FL-) - H22-2 (TWL-)*2 Always Below 1 Ω H22-3 (+) - H13-2*2 Always Below 1 Ω H22-4 (-) - H13-1*2 Always Below 1 Ω H65-1 (WF1+) - R24-1 (WF1+) Always Below 1 Ω H65-5 (WF1-) - R24-3 (WF1-) Always Below 1 Ω H65-2 (WF2+) - R24-2 (WF2+) Always Below 1 Ω H65-6 (WF2-) - R24-4 (WF2-) Always Below 1 Ω H66-2 (MR+) - Q15-2*1 Always Below 1 Ω H66-7 (MR-) - Q15-1*1 Always Below 1 Ω H66-3 (WFL+) - K3-1*2 Always Below 1 Ω H66-8 (WFL-) - K3-2*2 Always Below 1 Ω H66-5 (RR+) - L3-1 (+TW)*1 Always Below 1 Ω H66-12 (RR-) - L3-2 (-TW)*1 Always Below 1 Ω L3-3 (+) - L1-1*1 Always Below 1 Ω L3-4 (-) - L1-2*1 Always Below 1 Ω H66-4 (RL+) - M3-1 (+TW)*2 Always Below 1 Ω H66-11 (RL-) - M3-2 (-TW)*2 Always Below 1 Ω M3-3 (+) - M1-1*2 Always Below 1 Ω M3-4 (-) - M1-2*2 Always Below 1 Ω H66-1 (ML+) - R13-2*2 Always Below 1 Ω H66-6 (ML-) - R13-1*2 Always Below 1 Ω H65-8 (CTR+) - H14-2 Always Below 1 Ω H66-7 (CTR-) - H14-1 Always Below 1 Ω H65-4 (FR+) - Body ground*1 Always 10 kΩ or higher H65-10 (FR-) - Body ground*1 Always 10 kΩ or higher H21-3 (+) - Body ground*1 Always 10 kΩ or higher H21-4 (-) - Body ground*1 Always 10 kΩ or higher H66-10 (WFR+) - Body ground*1 Always 10 kΩ or higher H66-9 (WFR-) - Body ground*1 Always 10 kΩ or higher H65-3 (FL+) - Body ground*2 Always 10 kΩ or higher H65-9 (FL-) - Body ground*2 Always 10 kΩ or higher H22-3 (+) - Body ground*2 Always 10 kΩ or higher H22-4 (-) - Body ground*2 Always 10 kΩ or higher H65-1 (WF1+) - Body ground Always 10 kΩ or higher H65-5 (WF1-) - Body ground Always 10 kΩ or higher H65-2 (WF2+) - Body ground Always 10 kΩ or higher H65-6 (WF2-) - Body ground Always 10 kΩ or higher H66-2 (MR+) - Body ground*1 Always 10 kΩ or higher H66-7 (MR-) - Body ground*1 Always 10 kΩ or higher H66-3 (WFL+) - Body ground*2 Always 10 kΩ or higher H66-8 (WFL-) - Body ground*2 Always 10 kΩ or higher H66-5 (RR+) - Body ground*1 Always 10 kΩ or higher H66-12 (RR-) - Body ground*1 Always 10 kΩ or higher L3-3 (+) - Body ground*1 Always 10 kΩ or higher L3-4 (-) - Body ground*1 Always 10 kΩ or higher H66-4 (RL+) - Body ground*2 Always 10 kΩ or higher H66-11 (RL-) - Body ground*2 Always 10 kΩ or higher M3-3 (+) - Body ground*2 Always 10 kΩ or higher M3-4 (-) - Body ground*2 Always 10 kΩ or higher H66-1 (ML+) - Body ground*2 Always 10 kΩ or higher H66-6 (ML-) - Body ground*2 Always 10 kΩ or higher H65-8 (CTR+) - Body ground Always 10 kΩ or higher H66-7 (CTR-) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NGClick here
3. Click here

   INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

   
   

   1. Remove the front No. 1 speaker assembly (Click here).

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

   
   
   • OKClick here
   • NGClick here
4. Click here

   INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

   
   

   1. Remove the front No. 2 speaker assembly (Click here).

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

   
   
   • OKClick here
   • NGClick here
5. Click here

   CHECK FRONT NO. 3 SPEAKER ASSEMBLY

   
   

   1. Replace the front No. 3 speaker assembly with a known good one (Click here).

   2. Check that the malfunction disappears.

      Note:
      

      • Connect all the connectors that were disconnected to the front No. 3 speaker assemblies.

      • Perform the above inspection on both LH and RH sides.

      OK
      Malfunction disappears.

   
   
   • OKClick here
   • NGClick here
6. Click here

   CHECK FRONT NO. 4 SPEAKER ASSEMBLY

   
   

   1. Replace the front No. 4 speaker assembly with a known good one (Click here).

   2. Check that the malfunction disappears.

      OK
      Malfunction disappears.

   
   
   • OKClick here
   • NGClick here
7. Click here

   INSPECT REAR SPEAKER SET

   
   

   1. Remove the rear speaker set with a known good one (Click here).

   2. Inspect the rear speaker set with a known good one (Click here).

   
   
   • OKClick here
   • NGClick here
8. Click here

   CHECK REAR NO. 2 SPEAKER ASSEMBLY

   
   

   1. Replace the rear No. 2 speaker assembly with a known good one (Click here).

   2. Check that the malfunction disappears.

      Note:
      

      • Connect all the connectors that were disconnected to the rear No. 2 speaker assemblies.

      • Perform the above inspection on both LH and RH sides.

      OK
      Malfunction disappears.

   
   
   • OKClick here
   • NGClick here
9. Click here

   CHECK REAR HEADER SPEAKER ASSEMBLY

   
   

   1. Replace the rear header speaker assembly with a known good one (Click here).

   2. Check that the malfunction disappears.

      Note:
      

      • Connect all the connectors that were disconnected to the rear header speaker assemblies.

      • Perform the above inspection on both LH and RH sides.

      OK
      Malfunction disappears.

   
   
   • OKClick here
   • NGClick here
10. Click here

    INSPECT NO. 1 SPEAKER WITH BOX ASSEMBLY

    
    

    1. Remove the No. 1 speaker with box assembly (Click here).

    2. Inspect the No. 1 speaker with box assembly (Click here).

    
    
    • OKClick here
    • NGClick here
11. Click here

    CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY

    
    

    1. Replace the stereo component amplifier assembly with a known good one (Click here).

    2. Check that the malfunction disappears.

       OK
       Malfunction disappears.

    
    
    • OKClick here
    • NGClick here
12. Click here

    USE SIMULATION METHOD TO CHECKClick here

13. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR

14. Click here

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLYClick here

15. Click here

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLYClick here

16. Click here

    END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

17. Click here

    END (FRONT NO. 4 SPEAKER ASSEMBLY IS DEFECTIVE)

18. Click here

    REPLACE REAR SPEAKER SETClick here

19. Click here

    END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

20. Click here

    END (REAR HEADER SPEAKER ASSEMBLY IS DEFECTIVE)

21. Click here

    REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLYClick here

22. Click here

    REPLACE NAVIGATION RECEIVER ASSEMBLYClick here

23. Click here

    END (STEREO COMPONENT AMPLIFIER ASSEMBLY IS DEFECTIVE)