Reception Level Indication Mode (press and hold FM button or AM button for 5 sec)

This diagnostic screen checks the audio unit's reception level in decibels (dB). This level then can be used in the diagnosis of the audio unit reception quality.

Display Message	Vehicle Test Condition	Remarks
A-Diag 0 12.3	Radio reception level is 12.3 dB [antenna power supply (SWD +B) is on].
A-Diag A	Antenna power supply (SWD +B) is off.	A is displayed on the screen

Preparation:

Park the vehicle outside in a good location away from tall buildings, mountains, high-voltage power line or any other object that may interfere with reception.
Tune to a powerful local FM radio station then write down the radio station number.
Tune to a powerful local AM radio station then write down the radio station number.

1. Enter the reception level indication mode in the self-diagnostic function

2. Tune to the FM radio station you wrote down in Preparation using the tuning button, and note the decibel level of that station when you release the button

3. Press and release the SETUP button to turn the AM/FM antenna amplifier off

4. Note the decibel level of that station with the AM/FM antenna amplifier off

5. Press and release the SETUP button to turn the AM/FM antenna amplifier back on

6. Press and hold the AM button for more than 5 seconds to enter the AM reception mode

7. Tune to the AM radio station you wrote down in preparation using the TUNING button, and note the decibel level of that station

8. Press and release the SETUP button to turn the AM/FM antenna amplifier off

9. Note the decibel level of that station with the AM/FM antenna amplifier off

10. Press and release the SETUP button to turn the AM/FM antenna amplifier back on

11. To end the self-diagnostic mode, turn the audio system off, or turn the vehicle to the OFF mode

12. Compare your results to a known-good, (make sure it is the same year and trim level) in the same location and direction, and under the same environmental conditions.

If the reception level is within 10 % of the known-good vehicle, no repair is needed at this time.
If the reception level is at least 10 % less than the known good vehicle, refer to AUDIO SYSTEM SYMPTOM TROUBLESHOOTING - POOR AM OR FM RADIO RECEPTION OR INTERFERENCE(WITH NAVIGATION, WITH DISPLAY AUDIO) , AUDIO SYSTEM SYMPTOM TROUBLESHOOTING - POOR AM OR FM RADIO RECEPTION OR INTERFERENCE(WITH NORMAL AUDIO) , &AUDIO SYSTEM SYMPTOM TROUBLESHOOTING - POOR AM OR FM RADIO RECEPTION OR INTERFERENCE(WITHOUT NAVIGATION, WITH DISPLAY AUDIO) .