Inspection Procedure

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. NG: Go to step   5 

OK: Go to next step 

1. Press "EJECT" and check the operation.
   1. Press the CD EJECT switch of the radio receiver assembly for 2 sec. or more to see if the CD is ejected.

   Standard: CD is ejected. 

HINT:

• If the CD is not ejected, send the vehicle for repair.
• Do not try top draw it out by force.

1. NG: CHECK AND REPLACE NAVIGATION RECEIVER ASSY 

OK: Go to next step 

1. Check that a proper CD is inserted.
   1. Make sure that the CD is a normal music CD, and that there is no deformation, flaw, stain, burr and other defects on the CD.

   Standard: Normal music CD. 

HINT:

• 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 IS FAULTY 

OK: Go to next step 

1. Replace the CD with another and recheck.
   1. Replace the faulty CD with normal one to see if the same trouble occurs again.

   Standard: The operation returns to be normal. 

1. OK: CD IS FAULTY 

NG: Go to next step 

1. Remove the navigation receiver assy and disconnect the connector.
Fig 1: Disconnecting Navigation Receiver Assy Connector (B,ACC,E)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check voltage.
   1. Measure voltage between terminals B, ACC and E of navigation receiver assy at each conditions, as shown in the chart.

   Standard: 

   Fig 2: Navigation Receiver Assy Terminals Voltage Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check continuity.
   1. Check that the continuity exists between terminal E of navigation receiver assy and body ground.

   Standard: Continuity exists. 

1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

CHECK AND REPLACE NAVIGATION RECEIVER ASSY