REAR SEAT ENTERTAINMENT SYSTEM Sound Signal Circuit between Multi-display Controller and Head-phone Terminal

DESCRIPTION

This is the sound signal circuit from the multi-display controller sub-assembly to each headphone terminal.

WIRING DIAGRAM

Figure 1. w/o Rear No. 2 Seat

B005N1XE01
*a (Shielded)
*b Headphone Terminal LH
*c Headphone Terminal RH
*d Multi-display Controller Sub-assembly

Figure 2. w/ Rear No. 2 Seat

B005N1XE02
*a (Shielded)
*b Headphone Terminal LH
*c Headphone Terminal RH
*d Multi-display Controller Sub-assembly

PROCEDURE


  1. CHECK MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      w/o Rear No. 2 Seat A
      w/ Rear No. 2 Seat B

    B

    CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - HEADPHONE TERMINAL) Click here

    A

  2. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - HEADPHONE TERMINAL)


    1. Disconnect the R2 multi-display controller sub-assembly connector.

    2. Disconnect the J90 headphone terminal LH connector.

    3. Disconnect the J89 headphone terminal RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R2-7 (HP2R) - J90-5 (HP2R) Always Below 1 Ω
      R2-9 (HP2L) - J90-6 (HP2L) Always Below 1 Ω
      R2-8 (SLD6) - J90-7 (SGN2) Always Below 1 Ω
      R2-3 (HP1R) - J89-1 (HP1R) Always Below 1 Ω
      R2-5 (HP1L) - J89-2 (HP1L) Always Below 1 Ω
      R2-4 (SLD5) - J89-3 (SGN1) Always Below 1 Ω
      R2-7 (HP2R) or J90-5 (HP2R) - Body ground Always 10 kΩ or higher
      R2-9 (HP2L) or J90-6 (HP2L) - Body ground Always 10 kΩ or higher
      R2-8 (SLD6) or J90-7 (SGN2) - Body ground Always 10 kΩ or higher
      R2-3 (HP1R) or J89-1 (HP1R) - Body ground Always 10 kΩ or higher
      R2-5 (HP1L) or J89-2 (HP1L) - Body ground Always 10 kΩ or higher
      R2-4 (SLD5) or J89-3 (SGN1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - HEADPHONE TERMINAL)


    1. Disconnect the R2 multi-display controller sub-assembly connector.

    2. Disconnect the V5 headphone terminal LH connector.

    3. Disconnect the V4 headphone terminal RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      R2-7 (HP2R) - V5-5 (HPR2) Always Below 1 Ω
      R2-9 (HP2L) - V5-6 (HPL2) Always Below 1 Ω
      R2-8 (SLD6) - V5-7 (SGND2) Always Below 1 Ω
      R2-3 (HP1R) - V4-1 (HPR1) Always Below 1 Ω
      R2-5 (HP1L) - V4-2 (HPL1) Always Below 1 Ω
      R2-4 (SLD5) - V4-3 (SGND1) Always Below 1 Ω
      R2-7 (HP2R) or V5-5 (HPR2) - Body ground Always 10 kΩ or higher
      R2-9 (HP2L) or V5-6 (HPL2) - Body ground Always 10 kΩ or higher
      R2-8 (SLD6) or V5-7 (SGND2) - Body ground Always 10 kΩ or higher
      R2-3 (HP1R) or V4-1 (HPR1) - Body ground Always 10 kΩ or higher
      R2-5 (HP1L) or V4-2 (HPL1) - Body ground Always 10 kΩ or higher
      R2-4 (SLD5) or V4-3 (SGND1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR