Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IF RADIO AUTO-SEARCH FUNCTIONS PROPERLY
1. Perform the auto-search of the radio and check that it functions normally.
  OK: Radio auto-search functions normally.
NG: Go to step 2

OK: REPLACE RADIO RECEIVER ASSEMBLY (See REMOVAL )
CHECK OPTIONAL COMPONENTS
1. Check if the telephone antenna, and other optional components are installed.
  OK: Optional component(s) installed.
NG: Go to step 3

OK: EFFECT FROM OPTIONAL COMPONENTS
CHECK ANTENNA FOR NOISE PRODUCTION
1. With the ignition switch ACC, turn on the radio and choose the AM mode.
2. Place the tip of a screwdriver on the antenna and check that noise is heard from the speakers.
  OK: Noise is heard.
NG: Go to step 4

OK: REPLACE RADIO RECEIVER ASSEMBLY (See REMOVAL )
CHECK RADIO RECEIVER ASSEMBLY (ANTENNA)
1. Remove the antenna plug of the radio receiver.
2. With the radio receiver connector connected, turn the ignition switch to ACC.
3. Turn on the radio and choose the AM mode.
4. Place a flat-head screwdriver or a piece of metal, such as a thin wire, on the antenna jack of the radio receiver. Check that noise is heard from the speakers.
  OK: Noise is heard.
  
  Fig 1: Locating Antenna Plug Of Radio Receiver
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE RADIO RECEIVER ASSEMBLY (See REMOVAL )

OK: REPLACE AMPLIFIER ANTENNA ASSEMBLY AND ANTENNA CORD SUB-ASSEMBLY