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Inspection Procedure

  1. CHECK IF A PROPER CD IS INSERTED 
    1. Check that a proper CD is inserted.
      1. Make sure that the CD is normal audio CD, and that there is no deformation, flaw, stain, burr and other defects on the CD.

        Standard: Normal audio CD. 

        Reference:

        • Translucent or different-shaped CD cannot be played.
        • CD-ROM for personal computers (with music recorded in) and recorded CD-R may not be played.
        • Playing an 8-cm CD does not require an adapter.
    1. NG: CD FAULTY 
    2. OK: Go to next step. 
  2. CHECK THAT A PROPER CD IS INSERTED 
    1. Check that a proper CD is inserted.
      1. Check whether or not the CD is inserted upside down.

        Standard: Not upside down. 

    1. NG: SET DISC CORRECTLY 
    2. OK: Go to next step. 
  3. REPLACE CD WITH ANOTHER AND RECHECK 
    1. Replace the CD with another and recheck.
      1. Replace the faulty CD with the normal one to see if the same trouble occurs again.

        Standard: malfunction disappear. 

    1. OK: CD FAULTY 
    2. NG: Go to next step. 
  4. CHECK IF RADIO AUTO-SEARCH FUNCTIONS PROPERLY 
    1. Check if the radio auto-search function properly.
      1. Perform the auto-research of the radio and check that the operation is normal.

        Standard: malfunction disappear. 

    1. OK: REPLACE NAVIGATION RECEIVER ASSY 
    2. NG: Go to next step. 
  5. CHECK NAVIGATION RECEIVER ASSY (B,ACC,E) 
    1. Remove the navigation receiver assy and disconnect the connector.
    2. Check voltage.
      1. Measure voltage between terminals B, ACC and E of navigation receiver assy at each conditions, as shown TERMINAL CONDITION VOLTAGE .
        Fig 1: Locating ACC (+), B (+) & E (-) Connector Terminals
        G02915911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        TERMINAL CONDITION VOLTAGE

        Terminal Condition Voltage (V)
        B <=> E Constant 10 - 14
        ACC <=> E Turn ignition switch ACC 10 - 14
    3. Check continuity.
      1. Check that the continuity exists between terminal E of navigation receiver assy and body ground.

        Standard: Continuity exists. 

    1. NG: CHECK AND REPLACE REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPAIR OR REPLACE NAVIGATION RECEIVER ASSY 
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