Inspection Procedure

1. Check the radio's automatic station search function.
   1. Check the radio's automatic station search function by activating it.

      OK: The radio's automatic station search function works properly. 

      OK: REPLACE RADIO RECEIVER 

      NG: Go To Next Step 

1. Disconnect the radio receiver connector.
   Fig 1: Identifying Radio Receiver Connector Terminal F26 And F6

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

NG: REPLACE RADIO RECEIVER 

OK: Go To Next Step 

1. Check optional components (sun-shade film, telephone antenna, etc.).
   1. Check if any optional components, such as sunshade film or telephone antenna that may decrease reception capacity, are installed.

      OK: Optional components are installed. 

      NOTE: Do not remove any optional components installed by the customer without his or her consent.

      OK: REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN  (See NOTE Above )

      NG: Go To Next Step 

1. Preparation for check
   1. Remove the antenna plug from the radio receiver.
   Fig 2: Locating Antenna Plug

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check for noise
   1. Turn the ignition switch on (ACC) with the radio receiver connector connected.
   2. Turn the radio on and put into AM mode.
   3. Place a screwdriver, thin wire, or other metal object on the radio receiver's antenna jack and check that noise can be heard from the speaker.

      OK: Noise occurs. 

      NG: REPLACE RADIO RECEIVER 

      OK: Go To Next Step 

1. Check for continuity of the antenna.

   HINT:

   Check for continuity at the center of each antenna wire as shown in the illustration.

   NOTE: When cleaning the glass, wipe it in the direction of the wire with a soft dry cloth. Take care not to damage the wire. Do not use detergents or glass cleaners with abrasive ingredients. When measuring voltage, wrap a piece of tin foil around the tip of the negative probe and press the foil against the wire with your finger, as shown in the illustration.