Diagnostic Assist Code "05" Antenna Control Output Condition Inspection
- Launch the diagnostic assist function with the radio power on and the radio receiving broadcasts. (See STARTING PROCEDURE .)
- Press the "Diagnostic assist code input switch", and input the diagnostic assist code "05".
- Select "ENTER".
- Inspect according to the following table:CAUTION:
- Even if the system is normal, radio reception may be difficult depending on where the system is inspected (indoors/outdoors, or conditions at the location). Before inspecting the system, verify that radio reception is adequate.
- When performing the inspection, select the best area for receiving radio frequencies.
Inspection Display Action Start antenna control condition inspection mode. ANT-ON Sound quality good. System is okay. Sound quality poor. (See NO.1 NO RADIO RECEPTION (AM/FM)/NO OR LOW VOLUME [RADIO] .) ANT-OFF Replace the car-navigation unit.
(See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION .) - Press the POWER/VOLUME switch to return to the diagnostic assist code input screen.
- Press the POWER/VOLUME switch to release the diagnostic assist function.