NAVIGATION SYSTEM, Diagnostic DTC:B15C3

DESCRIPTION

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

• *: w/ Manual (SOS) Switch

WIRING DIAGRAM

1. 
   

   for 8 Speakers

2. 
   

   for 15 Speakers

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   CONFIRM MODEL

   
   

   1. Choose the model to be inspected.

      Result
      Result Proceed to for 8 Speakers (w/ Manual (SOS) Switch) A for 8 Speakers (w/o Manual (SOS) Switch) B for 15 Speakers (w/ Manual (SOS) Switch) C for 15 Speakers (w/o Manual (SOS) Switch) D

   
   
   • AClick here
   • BClick here
   • CClick here
   • DClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)

   
   

   1. Disconnect the H99 stereo component amplifier assembly connector.

   2. Disconnect the H101 telematics transceiver connector.

   3. Disconnect the H62 front No. 2 speaker assembly connector.

   4. Disconnect the L6 and M5 front No. 1 speaker assembly connectors.

   5. Disconnect the J2 front No. 3 speaker assembly connector.

   6. Disconnect the N6 and O6 rear speaker assembly connectors.

   7. Disconnect the Q16 stereo component speaker assembly connector.

   8. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition H99-13 (FR+) - Body ground Always 10 kΩ or higher H99-28 (FR-) - Body ground Always 10 kΩ or higher H99-12 (FL+) - Body ground Always 10 kΩ or higher H99-27 (FL-) - Body ground Always 10 kΩ or higher H99-5 (WFR+) - Body ground Always 10 kΩ or higher H99-20 (WFR-) - Body ground Always 10 kΩ or higher H99-4 (WFL+) - Body ground Always 10 kΩ or higher H99-19 (WFL-) - Body ground Always 10 kΩ or higher H99-7 (CTR+) - Body ground Always 10 kΩ or higher H99-22 (CTR-) - Body ground Always 10 kΩ or higher H99-15 (RR+) - Body ground Always 10 kΩ or higher H99-30 (RR-) - Body ground Always 10 kΩ or higher H99-14 (RL+) - Body ground Always 10 kΩ or higher H99-29 (RL-) - Body ground Always 10 kΩ or higher H99-6 (WF1+) - Body ground Always 10 kΩ or higher H99-21 (WF1-) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

3. Click here

   CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - BODY GROUND)

   
   

   1. Disconnect the H101 telematics transceiver connector.

   2. Disconnect the H63 front No. 2 speaker assembly RH connector.

   3. Measure the resistance between the telematics transceiver and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition H101-5 (SPO+) - Body ground Always 10 kΩ or higher H101-6 (SPO-) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

4. Click here

   INSPECT TELEMATICS TRANSCEIVER

   
   

   1. Remove the telematics transceiver (Click here).

   2. 

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

      Standard Resistance
      Tester Connection Condition Specified Condition 2 (SPI+) - 5 (SPO+) Always Below 1 Ω 3 (SPI-) - 6 (SPO-) Always Below 1 Ω 2 (SPI+) - 3 (SPI-) Always 10 kΩ or higher 5 (SPO+) - 6 (SPO-) Always 10 kΩ or higher 2 (SPI+) - Body ground Always 10 kΩ or higher 3 (SPI-) - Body ground Always 10 kΩ or higher

      Table 1. Text in Illustration

      *a	Component without harness connected (Telematics Transceiver)

   3. Proceed to the next step based on the inspection result.

      Result
      Result Proceed to NG A OK B

   
   
   • A

     REPLACE TELEMATICS TRANSCEIVER (Click here)

   • BClick here
5. Click here

   CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)

   
   

   1. Disconnect the H99 stereo component amplifier assembly connector.

   2. Disconnect the H63 and H62 front No. 2 speaker assembly connectors.

   3. Disconnect the L6 and M5 front No. 1 speaker assembly connectors.

   4. Disconnect the J2 front No. 3 speaker assembly connector.

   5. Disconnect the N6 and O6 rear speaker assembly connectors.

   6. Disconnect the Q16 stereo component speaker assembly connector.

   7. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition H99-13 (FR+) - Body ground Always 10 kΩ or higher H99-28 (FR-) - Body ground Always 10 kΩ or higher H99-12 (FL+) - Body ground Always 10 kΩ or higher H99-27 (FL-) - Body ground Always 10 kΩ or higher H99-5 (WFR+) - Body ground Always 10 kΩ or higher H99-20 (WFR-) - Body ground Always 10 kΩ or higher H99-4 (WFL+) - Body ground Always 10 kΩ or higher H99-19 (WFL-) - Body ground Always 10 kΩ or higher H99-7 (CTR+) - Body ground Always 10 kΩ or higher H99-22 (CTR-) - Body ground Always 10 kΩ or higher H99-15 (RR+) - Body ground Always 10 kΩ or higher H99-30 (RR-) - Body ground Always 10 kΩ or higher H99-14 (RL+) - Body ground Always 10 kΩ or higher H99-29 (RL-) - Body ground Always 10 kΩ or higher H99-6 (WF1+) - Body ground Always 10 kΩ or higher H99-21 (WF1-) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

6. Click here

   INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

   
   

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

   2. 

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

      Standard Resistance
      Tester Connection Condition Specified Condition 1 - 2 Always 3.2 to 4.8 Ω

      Table 2. Text in Illustration

      *a	Component without harness connected (Front No. 2 Speaker Assembly)

   
   
   • OKClick here
   • NG

     REPLACE FRONT NO. 2 SPEAKER ASSEMBLY (Click here)

7. Click here

   INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

   
   

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

   2. 

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

      Standard Resistance
      Tester Connection Condition Specified Condition 1 - 2 Always 3.2 to 4.8 Ω

      Table 3. Text in Illustration

      *a	Component without harness connected (Front No. 1 Speaker Assembly)

   
   
   • OKClick here
   • NG

     REPLACE FRONT NO. 1 SPEAKER ASSEMBLY (Click here)

8. Click here

   INSPECT FRONT NO. 3 SPEAKER ASSEMBLY

   
   

   1. Remove the front No. 3 speaker assembly (Click here).

   2. 

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

      Standard Resistance
      Tester Connection Condition Specified Condition 1 - 2 Always 4.0 to 6.0 Ω

      Table 4. Text in Illustration

      *a	Component without harness connected (Front No. 3 Speaker Assembly)

   
   
   • OKClick here
   • NG

     REPLACE FRONT NO. 3 SPEAKER ASSEMBLY (Click here)

9. Click here

   INSPECT REAR SPEAKER ASSEMBLY

   
   

   1. Remove the rear speaker assembly (Click here).

   2. 

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

      Standard Resistance
      Tester Connection Condition Specified Condition 1 - 2 Always 3.2 to 4.8 Ω

      Table 5. Text in Illustration

      *a	Component without harness connected (Rear Speaker Assembly)

   
   
   • OKClick here
   • NG

     REPLACE REAR SPEAKER ASSEMBLY (Click here)

10. Click here

    INSPECT STEREO COMPONENT SPEAKER ASSEMBLY

    
    

    1. Remove the stereo component speaker assembly (Click here).

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 - 2 Always 2.0 to 3.0 Ω

       Table 6. Text in Illustration

       *a	Component without harness connected (Stereo Component Speaker Assembly)

    
    
    • OK

      REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY (Click here)

    • NG

      REPLACE STEREO COMPONENT SPEAKER ASSEMBLY (Click here)

11. Click here

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)

    
    

    1. Disconnect the H99 stereo component amplifier assembly connector.

    2. Disconnect the H101 telematics transceiver connector.

    3. Disconnect the H62 front No. 2 speaker assembly LH connector.

    4. Disconnect the L6 and M5 front No. 1 speaker assembly connectors.

    5. Disconnect the J2 front No. 3 speaker assembly connector.

    6. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

    7. Disconnect the Q15 and P32 rear header speaker assembly connectors.

    8. Disconnect the Q16 stereo component speaker assembly connector.

    9. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

       Standard Resistance

       Tester Connection Condition Specified Condition H99-13 (FR+) - Body ground Always 10 kΩ or higher H99-28 (FR-) - Body ground Always 10 kΩ or higher H99-12 (FL+) - Body ground Always 10 kΩ or higher H99-27 (FL-) - Body ground Always 10 kΩ or higher H99-5 (WFR+) - Body ground Always 10 kΩ or higher H99-20 (WFR-) - Body ground Always 10 kΩ or higher H99-4 (WFL+) - Body ground Always 10 kΩ or higher H99-19 (WFL-) - Body ground Always 10 kΩ or higher H99-7 (CTR+) - Body ground Always 10 kΩ or higher H99-22 (CTR-) - Body ground Always 10 kΩ or higher H99-15 (RR+) - Body ground Always 10 kΩ or higher H99-30 (RR-) - Body ground Always 10 kΩ or higher H99-14 (RL+) - Body ground Always 10 kΩ or higher H99-29 (RL-) - Body ground Always 10 kΩ or higher H99-11 (SR+) - Body ground Always 10 kΩ or higher H99-26 (SR-) - Body ground Always 10 kΩ or higher H99-10 (SL+) - Body ground Always 10 kΩ or higher H99-25 (SL-) - Body ground Always 10 kΩ or higher H99-6 (WF1+) - Body ground Always 10 kΩ or higher H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    
    
    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

12. Click here

    CHECK HARNESS AND CONNECTOR (REAR NO. 2 SPEAKER ASSEMBLY - BODY GROUND)

    
    

    1. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

    2. Disconnect the N6 and O6 rear speaker assembly connectors.

    3. Measure the resistance between each of the rear No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

       Standard Resistance
       Tester Connection Condition Specified Condition N7-4 (+) - Body ground Always 10 kΩ or higher N7-2 (-) - Body ground Always 10 kΩ or higher O7-4 (+) - Body ground Always 10 kΩ or higher O7-2 (-) - Body ground Always 10 kΩ or higher

    
    
    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

13. Click here

    CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - BODY GROUND)

    
    

    1. Disconnect the H101 telematics transceiver connector.

    2. Disconnect the H63 front No. 2 speaker assembly RH connector.

    3. Measure the resistance between the telematics transceiver and body ground to check for a short circuit in the wire harness.

       Standard Resistance
       Tester Connection Condition Specified Condition H101-5 (SPO+) - Body ground Always 10 kΩ or higher H101-6 (SPO-) - Body ground Always 10 kΩ or higher

    
    
    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

14. Click here

    INSPECT TELEMATICS TRANSCEIVER

    
    

    1. Remove the telematics transceiver (Click here).

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 2 (SPI+) - 5 (SPO+) Always Below 1 Ω 3 (SPI-) - 6 (SPO-) Always Below 1 Ω 2 (SPI+) - 3 (SPI-) Always 10 kΩ or higher 5 (SPO+) - 6 (SPO-) Always 10 kΩ or higher 2 (SPI+) - Body ground Always 10 kΩ or higher 3 (SPI-) - Body ground Always 10 kΩ or higher

       Table 7. Text in Illustration

       *a	Component without harness connected (Telematics Transceiver)

    3. Proceed to the next step based on the inspection result.

       Result
       Result Proceed to NG A OK B

    
    
    • A

      REPLACE TELEMATICS TRANSCEIVER (Click here)

    • BClick here
15. Click here

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)

    
    

    1. Disconnect the H99 stereo component amplifier assembly connector.

    2. Disconnect the H63 and H62 front No. 2 speaker assembly connectors.

    3. Disconnect the L6 and M5 front No. 1 speaker assembly connectors.

    4. Disconnect the J2 front No. 3 speaker assembly connector.

    5. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

    6. Disconnect the Q15 and P32 rear header speaker assembly connectors.

    7. Disconnect the Q16 stereo component speaker assembly connector.

    8. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

       Standard Resistance

       Tester Connection Condition Specified Condition H99-13 (FR+) - Body ground Always 10 kΩ or higher H99-28 (FR-) - Body ground Always 10 kΩ or higher H99-12 (FL+) - Body ground Always 10 kΩ or higher H99-27 (FL-) - Body ground Always 10 kΩ or higher H99-5 (WFR+) - Body ground Always 10 kΩ or higher H99-20 (WFR-) - Body ground Always 10 kΩ or higher H99-4 (WFL+) - Body ground Always 10 kΩ or higher H99-19 (WFL-) - Body ground Always 10 kΩ or higher H99-7 (CTR+) - Body ground Always 10 kΩ or higher H99-22 (CTR-) - Body ground Always 10 kΩ or higher H99-15 (RR+) - Body ground Always 10 kΩ or higher H99-30 (RR-) - Body ground Always 10 kΩ or higher H99-14 (RL+) - Body ground Always 10 kΩ or higher H99-29 (RL-) - Body ground Always 10 kΩ or higher H99-11 (SR+) - Body ground Always 10 kΩ or higher H99-26 (SR-) - Body ground Always 10 kΩ or higher H99-10 (SL+) - Body ground Always 10 kΩ or higher H99-25 (SL-) - Body ground Always 10 kΩ or higher H99-6 (WF1+) - Body ground Always 10 kΩ or higher H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    
    
    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

16. Click here

    CHECK HARNESS AND CONNECTOR (REAR NO. 2 SPEAKER ASSEMBLY - BODY GROUND)

    
    

    1. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

    2. Disconnect the N6 and O6 rear speaker assembly connectors.

    3. Measure the resistance between each of the rear No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

       Standard Resistance
       Tester Connection Condition Specified Condition N7-4 (+) - Body ground Always 10 kΩ or higher N7-2 (-) - Body ground Always 10 kΩ or higher O7-4 (+) - Body ground Always 10 kΩ or higher O7-2 (-) - Body ground Always 10 kΩ or higher

    
    
    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

17. Click here

    INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

    
    

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

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 - 2 Always 6.5 to 9.7 Ω

       Table 8. Text in Illustration

       *a	Component without harness connected (Front No. 2 Speaker Assembly)

    
    
    • OKClick here
    • NG

      REPLACE FRONT NO. 2 SPEAKER ASSEMBLY (Click here)

18. Click here

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

    
    

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

    2. Clear the DTCs (Click here).

    3. Recheck for DTCs and check that no DTCs are output.

       OK
       No DTCs are output.

       Tip:
       

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

       • When there is a possibility that either the right or left front No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.

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

    
    
    • OK

      END

    • NGClick here
19. Click here

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

    
    

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

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 - 2 Always 4.2 to 6.2 Ω

       Table 9. Text in Illustration

       *a	Component without harness connected (Front No. 1 Speaker Assembly)

    
    
    • OKClick here
    • NG

      REPLACE FRONT NO. 1 SPEAKER ASSEMBLY (Click here)

20. Click here

    INSPECT FRONT NO. 3 SPEAKER ASSEMBLY

    
    

    1. Remove the front No. 3 speaker assembly (Click here).

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 - 2 Always 6.5 to 9.7 Ω

       Table 10. Text in Illustration

       *a	Component without harness connected (Front No. 3 Speaker Assembly)

    
    
    • OKClick here
    • NG

      REPLACE FRONT NO. 3 SPEAKER ASSEMBLY (Click here)

21. Click here

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY

    
    

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

    2. Clear the DTCs (Click here).

    3. Recheck for DTCs and check that no DTCs are output.

       OK
       No DTCs are output.

    
    
    • OK

      END

    • NGClick here
22. Click here

    INSPECT REAR SPEAKER ASSEMBLY

    
    

    1. Remove the rear speaker assembly (Click here).

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 - 2 Always 3.6 to 5.6 Ω

       Table 11. Text in Illustration

       *a	Component without harness connected (Rear Speaker Assembly)

    
    
    • OKClick here
    • NG

      REPLACE REAR SPEAKER ASSEMBLY (Click here)

23. Click here

    INSPECT REAR NO. 2 SPEAKER ASSEMBLY

    
    

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

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 (-TW) - 3 (+TW) Always 10 kΩ or higher 3 (+TW) - 4 (+) Always Below 1 Ω 1 (-TW) - 2 (-) Always Below 1 Ω

       Table 12. Text in Illustration

       *a	Component without harness connected (Rear No. 2 Speaker Assembly)

    
    
    • OKClick here
    • NG

      REPLACE REAR NO. 2 SPEAKER ASSEMBLY (Click here)

24. Click here

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY

    
    

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

    2. Clear the DTCs (Click here).

    3. Recheck for DTCs and check that no DTCs are output.

       OK
       No DTCs are output.

       Tip:
       

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

       • When there is a possibility that either the right or left rear No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.

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

    
    
    • OK

      END

    • NGClick here
25. Click here

    INSPECT REAR HEADER SPEAKER ASSEMBLY

    
    

    1. Remove the rear header speaker assembly (Click here).

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 - 2 Always 7.0 to 10.6 Ω

       Table 13. Text in Illustration

       *a	Component without harness connected (Rear Header Speaker Assembly)

    
    
    • OKClick here
    • NG

      REPLACE REAR HEADER SPEAKER ASSEMBLY (Click here)

26. Click here

    INSPECT STEREO COMPONENT SPEAKER ASSEMBLY

    
    

    1. Remove the stereo component speaker assembly (Click here).

    2. 

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

       Standard Resistance
       Tester Connection Condition Specified Condition 1 - 2 Always 5.0 to 7.0 Ω

       Table 14. Text in Illustration

       *a	Component without harness connected (Stereo Component Speaker Assembly)

    
    
    • OK

      REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY (Click here)

    • NG

      REPLACE STEREO COMPONENT SPEAKER ASSEMBLY (Click here)