LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Sienna SE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (For SD) (Diagnostic Codes & Circuit Tests) >> NAVIGATION SYSTEM (for SD) >> Circuit Tests >> Sound Signal Circuit Between Navigation Receiver Assembly And Television Display Assembly >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Sound Signal Circuit Between Navigation Receiver Assembly And Television Display Assembly: Procedure

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY) 
    1. Disconnect the D59 navigation receiver assembly connector.
    2. Disconnect the U1 television display assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      U1-9 (R+) - D59-2 (CDR+) Always Below 1 Ω
      U1-10 (R-) - D59-3 (CDR-) Always Below 1 Ω
      U1-23 (L+) - D59-4 (CDL+) Always Below 1 Ω
      U1-24 (L-) - D59-5 (CDL-) Always Below 1 Ω
      U1-9 (R+) - Body ground Always 10 kΩ or higher
      U1-10 (R-) - Body ground Always 10 kΩ or higher
      U1-23 (L+) - Body ground Always 10 kΩ or higher
      U1-24 (L-) - Body ground Always 10 kΩ or higher
      U1-25 (SLD9) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE