Inspection Procedure

CHECK WHETHER RAPID TEMPERATURE CHANGE OCCURRED IN CABIN
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
CHECK OPTIONAL COMPONENTS
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
CHECK ANTENNA FOR NOISE PRODUCTION
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

NG: Go TO NEXT STEP
INSPECT RADIO RECEIVER (ANTENNA)
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 SUB-ASSEMBLY

OK: REPLACE RADIO RECEIVER