Inspection Procedure

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.

   NG: CD FAULTY 

   OK: Go to Next Step 

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 

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 Wiping Surface From Center To Outside Radial Directions

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: Go to Next Step 

OK: CD FAULTY 

NG: Go to Next Step 

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. 

   OK: CHECK AND REPLACE RADIO RECEIVER ASSY 

   NG: Go to Next Step 

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 Terminals +B, ACC & GND

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: CHECK AND REPLACE RADIO RECEIVER ASSY 

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR