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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (Navigation System - Diagnostics) >> System cannot be Operated by Voice Sound >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MICROPHONE 
    1. Check the microphone.
    • NG: REPLACE MICROPHONE 
    • OK: GO TO NEXT STEP 
  2. CHECK OVERHEAD JUNCTION BLOCK 
    1. Check the overhead junction block.
    • NG: REPLACE OVERHEAD JUNCTION BLOCK 
    • OK: GO TO NEXT STEP 
  3. CHECK WIRE HARNESS (OVERHEAD JUNCTION BLOCK (MICROPHONE) - MULTI-DISPLAY) 
    • NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    • OK: REPLACE MULTI-DISPLAY