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.

CHECK IF A PROPER CD IS INSERTED
1. Check that a proper CD is inserted.
  1. Make sure that the CD is a 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.
  NG: CD FAULTY
  
  OK: Go to Next Step
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.
  
  NG: SET DISC CORRECTLY
  
  OK: Go to Next Step
DISC CLEANING
1. Disc cleaning
  1. If the disc gets dirty, clean the disc by wiping the surface from the center to outside in the radial directions with a soft cloth.
  NOTE: Do not use a conventional record cleaner or anti-static preservative.
  
  OK: DISC DIRTY
  
  Fig 1: Cleaning Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: Go to Next Step
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.
  
  OK: CD FAULTY
  
  NG: Go to Next Step
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.
  
  NG: Go to step 7
  
  OK: Go to Next Step
DID TEMPERATURE IN CABIN CHANGE RAPIDLY?
1. Did the temperature in the cabin change rapidly?
  1. Check whether or not the rapid temperature change occurred in the cabin.
  Standard: The rapid temperature change occurred.
  
  Reference:
  
  The rapid temperature change creates condensation inside the CD player, which may disable playing CD.
  
  OK: CONDENSATION DUE TO TEMPERATURE CHANGE (LEAVE IT AS IT IS FOR A WHILE BEFORE USING)
  
  NG: CHECK AND REPLACE RADIO RECEIVER ASSY
INSPECT RADIO RECEIVER ASSY (+B, ACC, GND)
1. Check that the continuity between terminals at each condition, as shown in Fig 2 .
  Standard:
  
  Fig 2: Checking Continuity Between Terminals GND & Body Ground
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check that the voltage between terminals at each condition, as shown in Fig 3 .
  Standard:
  
  Fig 3: Checking Voltage Between Terminals +B, ACC & GND
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Identifying Radio Receiver Assy +B, ACC, GND
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: CHECK AND REPLACE RADIO RECEIVER ASSY
  
  NG: REPAIR OR REPLACE HARNESS OR CONNECTOR