Inspection Procedure

1. Check whether the radio auto-search functions properly.
   1. Tune the radio using the auto-search function and check that it operates normally.

      OK: The radio auto-search functions properly. 

OK: END 

NG: Go to Next Step 

1. Check whether any optional components, such as telephone antenna, are installed.

   OK: Optional component(s) installed. 

OK: EFFECT FROM OPTIONAL COMPONENTS 

NG: Go to Next Step 

1. With the ignition switch ON, turn on the radio and select the AM mode.
2. Place the tip of a screwdriver on the antenna and check that noise is heard from the speakers.

   OK: Noise occurs. 

OK: REPLACE RADIO RECEIVER  (See REMOVAL  )

NG: Go to Next Step 

1. Remove the antenna plug of the radio receiver.
Fig 1: Identifying Antenna Plug Of Radio Receiver
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. With the radio receiver connector connected, turn the ignition switch on (ACC).
3. Turn on the radio and select the AM mode.
4. Place a flat-head screwdriver or 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 occurs. 

NG: REPLACE ROOF ANTENNA POLE SUBASSEMBLY  (See REMOVAL  )

OK: REPLACE RADIO RECEIVER  (See REMOVAL  )