Diagnostic Assist Code "25" Antenna Control Output Condition Inspection
- Input diagnostic assist code "25" according to the diagnostic assist code input procedure. (See DIAGNOSTIC ASSIST CODE INPUT PROCEDURE .)
- Inspect the malfunctioning location 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 a frequency (radio station) with optimum reception in the area.
Inspection Display Of Center Display (Diagnostic Result) Action - Launch the antenna control output condition inspection mode.
ANT-ON Good sound quality System is normal. Bad sound quality Inspect the center roof antenna and antenna feeder.
(See CENTER ROOF ANTENNA INSPECTION .)
(See ANTENNA FEEDER NO. 1 INSPECTION .)
(See ANTENNA FEEDER NO. 2 INSPECTION .)- If the center roof antenna or antenna feeder is malfunctioning:
- Replace the malfunctioning part. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION
.)
(See ANTENNA FEEDER NO. 1 REMOVAL/INSTALLATION .) (See ANTENNA FEEDER NO. 2 REMOVAL/INSTALLATION .)
- Replace the malfunctioning part. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION
.)
- If the center roof antenna and antenna feeder are normal:
- Replace the tuner and amp unit (TAU).
ANT-OFF Output cannot be verified Replace the tuner and amp unit (TAU).
(See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION .) - Cancel the diagnostic assist function according to the ending procedure. (See ENDING PROCEDURE .)