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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 554 (Audio & Visual System - Diagnostics) >> Circuit Inspection >> 13. A Remote Control System Does Not Operate. (Radio And Player Are Normal) >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remote control receiving part washing. 
    1. OK : Dirt of a remote control receiving part. 
    2. NG : Go To Next Step. 
  2. Check dry cell battery (remote control). 
    1. NG : Replace dry cell battery. 
    2. OK : Go To Next Step. 
  3. Check wire harness. 

    PREPARATION:

    Rear Seat Entertainment: Disconnect the connector rear display and RSE ECU.

    Rear Seat Audio: Disconnect the connector RSA panel and radio and player.

    CHECK:

    Rear Seat Entertainment:

    1. Check continuity of the wire harness between terminal TX+ of the rear display and terminal TXI+ of the RSE ECU.
    2. Check continuity of the wire harness between terminal TX- of the rear display and terminal TXI- of the RSE ECU.

    Rear Seat Audio:

    1. Check continuity of the wire harness between terminal TX+ of the radio and player and terminal TXS+ of the RSA panel.
    2. Check continuity of the wire harness between terminal TX- of the radio and player and terminal TXS- of the RSA panel.

    OK:

    1. Continuity 

    RESULT:

    WIRE HARNESS CHECK RESULT

    A OK (RSA)
    B OK (RSE)
    C NG
    1. B : Go to step   5 . 
    2. C : Repair or replace harness and connector. 
    3. A : Go To Next Step. 
  4. Check radio and player. 

    CHECK:

    Check that the malfunction disappears when a good radio and player in quality is installed.

    OK:

    1. Malfunction disappear 
    1. OK : Replace radio and player. 
    2. NG : Repair or replace RSA panel. 

  5. Check radio and player. 

    CHECK:

    Check the malfunction disappears when a good radio and player in quality is installed.

    OK:

    1. Malfunction disappear 
    1. OK : Replace radio and player. 
    2. NG : Go To Next Step. 

  6. Check RSE ECU. 

    CHECK:

    Check the malfunction disappears when a good RSE ECU in quality is installed.

    OK:

    1. Malfunction disappear 
    1. OK : Replace RSE ECU. 
    2. NG : Repair or replace rear display.