Audio System Self-Diagnostic Function (Without Navigation, With Audio)
Audio System Self-Diagnostic Function
Without Navigation
The audio system has a self-diagnostic function.
How to Obtain the Audio Unit Serial Number
To obtain the audio unit serial number on a vehicle, do the following:
NOTE: This procedure can only be performed after the battery power is disconnected once and reconnected to the audio unit and the audio unit displays CODE when the radio is turned on.
1. Turn the ignition switch to ON (II).
2. Make sure the audio system is turned off.
3. Push and hold the preset No. 1 and No. 6 buttons.
4. While holding the buttons, push the VOL PUSH PWR knob (A) to ON.
5. Release the buttons and the self-diagnosis begins.
6. The display shows an 8 digit serial number.
Eight digits of the serial number (example 12345678)
7. Use all 8 numbers as the serial number when using the Interactive Network (iN) to retrieve the 5 digit anti-theft code.
8. To end the self-diagnostic function, turn the audio unit off, or turn the ignition switch to LOCK (0).
How to Check for Audio System Condition
NOTE:
- The audio unit must be in the code enter screen before performing the self-diagnostic function.
- The self-diagnostic function does not find every problem with the audio system. Check any official Honda service website for more information about the audio system.
1. Turn the ignition switch to ON (II).
2. Make sure the audio system is turned off.
3. Push and hold the preset No. 1 and No. 6 buttons.
4. While holding the buttons, push the VOL PUSH PWR knob (A) to ON.
5. Release the buttons and the self-diagnosis begins.
6. When you are in self-diagnostic mode, pressing a preset button starts, the input will trigger the diagnostic mode that is assigned to that preset button.
No. 3 button
Entire LCD lighting/light-out mode: Turns on/off the entire LCD to show the presence or absence of an LCD failure.
No. 4 button
Duty indication mode (for the Illumination dim): Indicates the duty for the Illumination dim. When the dash lights are on.
No. 5 button
Vehicle speed pulse indication mode: Indicates the vehicle speed pulse.
FM button (Push and hold 5 sec)
Reception level check mode: Indicates the reception level (db). When entering the reception level check mode, the AM/FM button is used to change the main/sub antenna. See Reception level indication for more information.
CD button (Push and hold 5 sec)
DRAM residual quantity indication mode: Indicates the DRAM residual quantity.
7. To end the self-diagnostic function, turn the audio unit off, or turn the ignition switch to LOCK (0).
Display Specifications
Speaker Check Mode
- Turn off the audio unit.
- Push and hold the No. 1 and No. 3 buttons. While holding the buttons, push the VOL push PWR knob to ON. Release the buttons and the speaker check mode begins. A low-frequency hum should sound for about one minute. Change the test speaker by pushing the SKIP button. If you find a speaker(s) with no sound, check the speaker and harness connections. If the connections are good, replace the speaker Speaker Test/Replacement and recheck.
- To end the self-diagnostic function, turn the audio unit off, or turn the ignition switch to LOCK (0).
Reception Level Indication Mode
This diagnostic screen checks the audio unit's reception level. This level then can be used in the diagnosis of audio unit reception quality. The reception level is displayed in decibels (dB).
Preparation:
- Park the vehicle outdoors in an appropriate location for good radio reception.
- Tune to a powerful local FM radio station and write down the radio station number. Tune to a powerful local AM radio station and write down the radio station number.
1. Enter the reception level indication mode in the self-diagnostic function. The AM/FM antenna amplifier is on (A.SEL or TP is not displayed in the audio display).
2. Tune to the FM radio station you wrote down in Preparation using the TUNING knob, and note the decibel level of that station when you release the button.
3. Press and release the A.SEL button to turn the AM/FM antenna amplifier off (A.SEL or TP is now displayed in the audio display).
4. Tune to the AM radio station you wrote down in Preparation using the TUNING knob, and note the decibel level of that station when you release the button.
5. Press and release the A.SEL button to turn the AM/FM antenna amplifier back on (A.SEL or TP is not displayed in the audio display).
6. Turn the ignition switch to LOCK (0) or audio unit off to exit the test mode.
7. 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.