Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

REPLACE CASSETTE TAPE WITH ANOTHER AND RECHECK
1. Replace the cassette tape with another and recheck.
  1. Replace the faulty cassette tape with the normal one to see if the same trouble occurs again.
  Standard: malfunction disappear.
  
  OK: CASSETTE TAPE FAULTY
  
  NG: Go to Next Step
CHECK FOR ANY FOREIGN OBJECT
1. Check for foreign object.
  1. Check that no foreign material and troubles are detected in the radio receiver assembly cassette tape player.
  NG: REMOVE FOREIGN OBJECT
  
  OK: Go to Next Step
CLEAN HEAD AND CHECK OPERATION
1. Head cleaning
  1. Raise the cassette door with your finger. Next, using a pencil or similar object, push in the guide.
  2. Using a cleaning pen or cotton applicator soaked in cleaner, clean the head surface, pinch rollers and capstans.
  3. Check that the same trouble occurs again.
  Fig 1: Cleaning Head & Checking Operation (Sound Quality)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: HEAD DIRTY
  
  NG: CHECK AND REPLACE RADIO RECEIVER ASSY