Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

CHECK NAVIGATION RECEIVER

Check the radio's automatic station search function.

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

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

Result

NAVIGATION RECEIVER RESULT CHART

Result	Proceed to
OK (for Column Shift Type)	A
OK (for Floor Shift Type)	B
NG	C

B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )

C: Go to step 2

A: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )

CHECK OPTIONAL COMPONENTS
1. Check optional components (sun-shade film, telephone antenna, etc.).
  1. Check if any optional components, such as a 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.
NG: Go to step 3

OK: REMOVE AND RECHECK OPTIONAL COMPONENTS (SEE NOTE ABOVE)
CHECK NAVIGATION RECEIVER
1. Preparation for check
  1. Remove the antenna plug from the navigation receiver.
2. Check for noise
  1. Turn the ignition switch ACC with the navigation receiver connector connected.
  2. Turn the radio on and enter AM mode.
  3. Place a screwdriver, thin wire, or other metal object on the navigation receiver's antenna jack and check that noise can be heard from the speaker.
    OK: Noise occurs.
    
    Fig 1: Identifying Antenna Plug From Radio And Navigation Assembly
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

OK: Go to Next Step
REPLACE POLE ANTENNA
1. Replace the antenna (see REMOVAL ) and check that it operates normally.
  OK: The antenna operates normally.
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

OK: END