NAVIGATION SYSTEM (for DVD) Speaker Circuit

DESCRIPTION

A sound signal is sent from the navigation receiver assembly to the speakers through this circuit.

WIRING DIAGRAM

A003BLAE02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK SPEAKER


    1. Check that the speakers sound.

      Result
      Result Proceed to
      Front No. 1 speakers do not operate A
      Front No. 2 speakers do not operate B
      Rear No. 1 speakers do not operate C
      All speakers do not operate D

    B

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

    C

    CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - REAR NO. 1 SPEAKER) Click here

    D

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    A

  2. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A003BQIE17
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Component without harness connected

      (Front No. 2 Speaker)

      Disconnect the D40*1 and/or D39*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 (TWL-) - 2 (-) Always Below 1 Ω
      3 (TWL+) - 4 (+) Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      1 (TWR-) - 2 (-) Always Below 1 Ω
      3 (TWR+) - 4 (+) Always Below 1 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER - FRONT NO. 2 SPEAKER)


    • *1: for LH

    • *2: for RH


    1. A003CG9E03

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

    2. A003EFJE03

      Disconnect the D40*1 and/or D39*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
      E11-1 - D40-3 (TWL+) Always Below 1 Ω
      E11-1 - Body ground Always 10 kΩ or higher
      E11-2 - D40-1 (TWL-) Always Below 1 Ω
      E11-2 - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      E1-1 - D39-3 (TWR+) Always Below 1 Ω
      E1-1 - Body ground Always 10 kΩ or higher
      E1-2 - D39-1 (TWR-) Always Below 1 Ω
      E1-2 - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1 for LH
      *2 for RH
      *3

      Front view of wire harness connector

      (to Front No. 1 Speaker)
      *4

      Front view of wire harness connector

      (to Front No. 2 Speaker)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

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


    1. A003B4CE03

      Disconnect the D22 navigation receiver assembly connector.

    2. A003EFJE04

      Disconnect the D40*1 and/or D39*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+) - D40-4 (+) Always Below 1 Ω
      D22-6 (FL-) - D40-2 (-) 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+) - D39-4 (+) Always Below 1 Ω
      D22-5 (FR-) - D39-2 (-) 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)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. 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

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  6. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - REAR NO. 1 SPEAKER)


    1. A003B0LE02

      Disconnect the D23 navigation receiver assembly connector.

    2. A003CG9E02

      Disconnect the F7*1 and/or F2*2 receiver 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+) - F7-1 Always Below 1 Ω
      D23-6 (RL-) - F7-2 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+) - F2-1 Always Below 1 Ω
      D23-3 (RR-) - F2-2 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. 1 Speaker)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. INSPECT REAR NO. 1 SPEAKER ASSEMBLY


    1. A003AODE29
      Text in Illustration
      *1

      Component without harness connected

      (Rear No. 1 Speaker)

      Disconnect the F7*1 and/or F2*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 Ω

    NG

    REPLACE REAR NO. 1 SPEAKER ASSEMBLY Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here