Inspection Procedure

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  )

1. Check if a telephone antenna or other optional components are installed.

   OK: Optional component (s) is installed. 

NG: Go to step 3 

OK: EFFECT FROM OPTIONAL COMPONENTS 

1. With the engine switch on (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  )

1. Remove the antenna plug of the radio receiver.
2. With the radio receiver connector connected, turn the engine switch on (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. 

NG: REPLACE ANTENNA ASSEMBLY AND ANTENNA CORD SUB-ASSEMBLY  (See REMOVAL  )

Fig 1: Checking Radio Receiver Assembly (Antenna)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE RADIO RECEIVER ASSEMBLY  (See REMOVAL  )