Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - AUDIO / VIDEO

INSPECTION PROCEDURE

CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY

CHECK OPTIONAL COMPONENTS

CHECK RADIO ANTENNA

CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY

CHECK WINDOW GLASS ANTENNA WIRE

INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY

CHECK ANTENNA CORD SUB-ASSEMBLY

CHECK AMPLIFIER ANTENNA ASSEMBLY

AUDIO AND VISUAL SYSTEM (w/ Navigation System) - Radio Broadcast cannot be Received or Poor Reception

INSPECTION PROCEDURE

1.CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY

Check the radio automatic station search function.


Check the radio automatic station search function by activating it.

Result
ResultProceed to
Automatic station search function stops on a station.A
Automatic station search function does not stop.B
B
Go to step 2
A
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()
2.CHECK OPTIONAL COMPONENTS

Check optional components (sunshade film, telephone antenna, etc.).


Check if any optional components that may decrease reception capacity, such as sunshade film or a telephone antenna, are installed.

Result
ResultProceed to
Optional components are installed.A
Optional components are not installed.B
  • NOTICE:
  • Do not remove any optional components installed by the customer without his or her consent.
B
Go to step 3
A
REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)
3.CHECK RADIO ANTENNA

Check for noise


Turn the engine switch on (ACC) with the multi-media module receiver assembly connector connected.

Turn the radio on and tune into AM mode.

Place a screwdriver, thin wire, or other metal object on the amplifier antenna threaded installation portion for the antenna and check that noise can be heard from the speakers.

Result
ResultProceed to
Noise does not occur.A
Noise occurs.B
B
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()
A
4.CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY
Audio And Visual System (W/ Navigation System) - Radio Broadcast Cannot Be Received Or Poor Reception. AUDIO / VIDEO. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Preparation for check


Remove the antenna connector from the multi-media module receiver assembly.

Check for noise


Turn the engine switch on (ACC) with the multi-media module receiver assembly connector connected.

Turn the radio on and tune into AM mode.

Place a screwdriver, thin wire or other metal object on the multi-media module receiver assembly antenna jack and check that noise can be heard from the speakers.

  • OK:
  • Noise can be heard from the speaker.
NG
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()
OK
5.CHECK WINDOW GLASS ANTENNA WIRE
Audio And Visual System (W/ Navigation System) - Radio Broadcast Cannot Be Received Or Poor Reception. AUDIO / VIDEO. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Check for continuity of the antenna.

  • HINT:
  • Check for continuity at the center of each antenna wire as shown in the illustration.
  • NOTICE:
  • 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 resistance, wrap a piece of tin foil around the tip of each probe and press the foil against the wire with your finger, as shown in the illustration.
  • OK:
  • There is continuity in the antenna.
Text in Illustration
*1Tester Probe
*2Antenna Wire
*3Tin Foil
NG
REPAIR WINDOW GLASS ANTENNA WIRE ()
OK
6.INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY

Disconnect the multi-media module receiver assembly connector.

Audio And Visual System (W/ Navigation System) - Radio Broadcast Cannot Be Received Or Poor Reception. AUDIO / VIDEO. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the voltage according to the value(s) in the table below.

  • Standard Voltage:
  • Tester ConnectionSwitch ConditionSpecified Condition
    RA-5 (ANT+) - Body groundEngine switch on (ACC)
    Radio switch on
    11 to 14 V
Text in Illustration
*aComponent without harness connected
(Multi-media Module Receiver Assembly)
NG
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()
OK
7.CHECK ANTENNA CORD SUB-ASSEMBLY

Remove the antenna connector of the multi-media module receiver assembly and antenna.

Measure the resistance between the antenna and multi-media module receiver assembly to check for an open circuit in the antenna cord.

  • Standard resistance:
  • Below 1 Ω

Measure the resistance between the antenna cord and body ground to check for a short circuit in the antenna cord.

  • Standard resistance:
  • 10 kΩ or higher
NG
REPLACE ANTENNA CORD SUB-ASSEMBLY ()
OK
8.CHECK AMPLIFIER ANTENNA ASSEMBLY

Replace the amplifier antenna assembly and check if radio broadcasts can be received normally ().

  • OK:
  • Radio broadcasts can be received.
NG
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()
OK
END