NAVIGATION SYSTEM (for HDD) Speaker Circuit

DESCRIPTION

The navigation receiver assembly and stereo component amplifier assembly send sound signals to the speakers.

WIRING DIAGRAM

A003EN2E02
A003DA8E02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK SPEAKER


    1. Check the malfunctioning speakers.

      Result
      Result Proceed to
      Malfunction in front speaker area A
      Malfunction in rear speaker area B

    B

    CHECK SPEAKER Click here

    A

  2. CHECK SPEAKER


    1. Check the malfunctioning speakers.

      Result
      Result Proceed to
      Front No. 1 speaker assembly LH/RH A
      Front No. 2 speaker assembly LH/RH B
      Front No. 3 speaker assembly C

    B

    INSPECT FRONT NO. 2 SPEAKER ASSEMBLY Click here

    C

    INSPECT FRONT NO. 3 SPEAKER ASSEMBLY Click here

    A

  3. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A003D0HE02
      Text in Illustration
      *1

      Component without harness connected

      (Front No. 1 Speaker Assembly)

      Disconnect the E11*1 and/or E1*2 speaker connector.

      *1: for LH

      *2: for RH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 2 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 1 SPEAKER)


    1. A003DAQE04

      Disconnect the H20 stereo component amplifier connector.

    2. A003CG9E04

      Disconnect the E11*1 and/or E1*2 speaker connector.

      *1: for LH

      *2: for RH

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      H20-4 (WFL+) - E11-1 Always Below 1 Ω
      H20-11 (WFL-) - E11-2 Always Below 1 Ω
      H20-4 (WFL+) - Body ground Always 10 kΩ or higher
      H20-11 (WFL-) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      H20-3 (WFR+) - E1-1 Always Below 1 Ω
      H20-8 (WFR-) - E1-2 Always Below 1 Ω
      H20-3 (WFR+) - Body ground Always 10 kΩ or higher
      H20-8 (WFR-) - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Front view of wire harness connector

      (to Stereo Component Amplifier Assembly)
      *4

      Front view of wire harness connector

      (to Front No. 1 Speaker Assembly)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2 SPEAKER)


    1. A003DAQE02

      Disconnect the H20 stereo component amplifier connector.

    2. A003D9LE01

      Disconnect the D53*1 and/or D52*2 speaker connector.

      *1: for LH

      *2: for RH

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      H20-1 (RL+) - D53-2 (TWL+) Always Below 1 Ω
      H20-6 (RL-) - D53-4 (TWL-) Always Below 1 Ω
      H20-1 (RL+) - Body ground Always 10 kΩ or higher
      H20-6 (RL-) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      H20-2 (RR+) - D52-2 (TWR+) Always Below 1 Ω
      H20-7 (RR-) - D52-4 (TWR-) Always Below 1 Ω
      H20-2 (RR+) - Body ground Always 10 kΩ or higher
      H20-7 (RR-) - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Front view of wire harness connector

      (to Stereo Component Amplifier Assembly)
      *4

      Front view of wire harness connector

      (to Front No. 2 Speaker Assembly)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A003BXXE27
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Component without harness connected

      (Front No. 2 Speaker Assembly)

      Disconnect the D53*1 and/or D52*2 speaker connector.

      *1: for LH

      *2: for RH

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      1 (+) - 2 (TWL+) Always Below 1 Ω
      3 (-) - 4 (TWL-) Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      1 (+) - 2 (TWR+) Always Below 1 Ω
      3 (-) - 4 (TWR-) Always Below 1 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

  7. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Temporarily replace the speaker with a new or normally functioning one Click here.

    2. Check that the malfunction disappears.

      Tech Tips


      • Connect all speaker connectors to the speakers.

      • When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.

      Result
      Result Proceed to
      Malfunction does not disappear A
      Malfunction disappears B

    B

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    A

  8. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - FRONT NO. 2 SPEAKER)


    1. A003B4CE03

      Disconnect the D22 navigation receiver assembly connector.

    2. A003D9LE02

      Disconnect the D53*1 and/or D52*2 speaker connector.

      *1: for LH

      *2: for RH

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      D22-2 (FL+) - D53-1 (+) Always Below 1 Ω
      D22-6 (FL-) - D53-3 (-) Always Below 1 Ω
      D22-2 (FL+) - Body ground Always 10 kΩ or higher
      D22-6 (FL-) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      D22-1 (FR+) - D52-1 (+) Always Below 1 Ω
      D22-5 (FR-) - D52-3 (-) Always Below 1 Ω
      D22-1 (FR+) - Body ground Always 10 kΩ or higher
      D22-5 (FR-) - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Front view of wire harness connector

      (to Navigation Receiver Assembly)
      *4

      Front view of wire harness connector

      (to Front No. 2 Speaker Assembly)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

  9. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. A003BRPE10
      Text in Illustration
      *1

      Component without harness connected

      (Front No. 3 Speaker Assembly)

      Disconnect the D51 speaker connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (CTR-) - 2 (CTR+) Always 40 Ω
      3 (-) - 4 (+) Always 40 Ω

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - FRONT NO. 3 SPEAKER)


    1. A003B4CE04

      Disconnect the D22 navigation receiver assembly connector.

    2. A003AQXE01

      Disconnect the D51 speaker connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D22-1 (FR+) - D51-4 (+) Always Below 1 Ω
      D22-5 (FR-) - D51-3 (-) Always Below 1 Ω
      D22-2 (FL+) - D51-2 (CTR+) Always Below 1 Ω
      D22-6 (FL-) - D51-1 (CTR-) Always Below 1 Ω
      D22-1 (FR+) - Body ground Always 10 kΩ or higher
      D22-5 (FR-) - Body ground Always 10 kΩ or higher
      D22-2 (FL+) - Body ground Always 10 kΩ or higher
      D22-6 (FL-) - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Navigation Receiver Assembly)
      *2

      Front view of wire harness connector

      (to Front No. 3 Speaker Assembly)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

  11. CHECK SPEAKER


    1. Check the malfunctioning speakers.

      Result
      Result Proceed to
      Rear No. 1 speaker assembly LH/RH A
      Rear No. 2 speaker assembly LH/RH B

    B

    INSPECT REAR NO. 2 SPEAKER ASSEMBLY Click here

    A

  12. INSPECT REAR NO. 1 SPEAKER ASSEMBLY


    1. A003D0HE01
      Text in Illustration
      *1

      Component without harness connected

      (Rear No. 1 Speaker Assembly)

      Disconnect the F12*1 and/or F11*2 speaker connector.

      *1: for LH

      *2: for RH

    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 Ω

    NG

    REPLACE REAR NO. 1 SPEAKER ASSEMBLY Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (REAR NO. 1 SPEAKER - REAR NO. 2 SPEAKER)

    *1: for LH

    *2: for RH


    1. A003CG9E05

      Disconnect the F12*1 and/or F11*2 speaker connector.

    2. A003D9LE03

      Disconnect the F8*1 and/or F3*2 speaker connector.

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      F12-1 - F8-3 (+TW) Always Below 1 Ω
      F12-2 - F8-1 (-TW) Always Below 1 Ω
      F12-1 - Body ground Always 10 kΩ or higher
      F12-2 - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      F11-1 - F3-3 (+TW) Always Below 1 Ω
      F11-2 - F3-1 (-TW) Always Below 1 Ω
      F11-1 - Body ground Always 10 kΩ or higher
      F11-2 - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Front view of wire harness connector

      (to Rear No. 1 Speaker Assembly)
      *4

      Front view of wire harness connector

      (to Rear No. 2 Speaker Assembly)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

  14. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. Temporarily replace the speaker with a new or normally functioning one Click here.

    2. Check that the malfunction disappears.

      Tech Tips


      • Connect all speaker connectors to the speakers.

      • When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.

      Result
      Result Proceed to
      Malfunction does not appears A
      Malfunction disappears B

    B

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    A

  15. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - REAR NO. 2 SPEAKER)


    1. A003B0LE02

      Disconnect the D23 navigation receiver assembly connector.

    2. A003D9LE04

      Disconnect the F8*1 and/or F3*2 speaker connector.

      *1: for LH

      *2: for RH

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      D23-2 (RL+) - F8-4 (+) Always Below 1 Ω
      D23-6 (RL-) - F8-2 (-) Always Below 1 Ω
      D23-2 (RL+) - Body ground Always 10 kΩ or higher
      D23-6 (RL-) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      D23-1 (RR+) - F3-4 (+) Always Below 1 Ω
      D23-3 (RR-) - F3-2 (-) Always Below 1 Ω
      D23-1 (RR+) - Body ground Always 10 kΩ or higher
      D23-3 (RR-) - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Front view of wire harness connector

      (to Navigation Receiver Assembly)
      *4

      Front view of wire harness connector

      (to Rear No. 2 Speaker Assembly)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here