Honda Accord 2008 Manual page 2530

07/11/02 09:50:43 61TA0000_230_0086
7. Check for test item 1st to 8th.
NOTE: Move on to the next test item within 5 0
seconds.
Is there a low-frequency hum sound heard from the
speakers for more than 5 second for all test items?
YES – Go to step 8.
NO – Go to the appropriate step listed.
• If all test items failed:
With premium audio, go to step 14.
Without premium audio , replace the audio unit
(see page 23-111).
• If test item 3rd failed:
With premium audio, go to step 28.
Without premium audio , replace the audio unit
(see page 23-111).
• If test item 4th failed:
With premium a udio, go to step 33.
Without premium audio , replace the audio unit
(see page 23-111).
• If test item 5th failed , go to step 38.
• If test item 6th failed, go to step 49.
• If test item 7th failed, go to step 60.
• If test item 8th failed , go to step 70.
8. Turn the ignition switch to LOCK (0).
9. Start the engine, and let it idle.
10. Do the active noise cancellation (ANC)
self-diagnostic function (se e page 23-52).
11. Move on to test item 10th by pressing the No. 1
button.
12. Hold the engine spee d at 2,500 rpm (A/T in P or N,
M/T in neutral), and move o n to test item 11th b y
pressing the N o. 1 button.
13. Press the No.1 button few times.
Does low-frequency hum sound heard from
speakers change by pressing the No.1 button?
YES – Intermittent failure, the system is OK at this
time. Check for poor co nnections or l oose terminals
between the audio unit, the E CM/PCM, and the
under dash fuse box. Then, go to step 1 and
recheck.
NO – Replace the audio unit.■
・With navig ation system (see page 23-109)
・Without navigation system (see page 23-111)
14. Turn the ignition switch to LOCK (0).
15. Connect a volt meter bet ween stereo amplifier
connector A (24P) terminals No. 11 and No. 22.
NOTE: Use the voltmeter in AC range.
STEREO AMPLIFIER CONNECTOR A (24P)
ANC F ＋
Wire side of female terminals
16. Turn the ignition switch to ON (I).
17. Prepare to do the active noise cancellation (ANC)
self-di agnostic function (see page 23-52).
ANC F (WHT)
−
(RED)
(cont'd)
23-85
＊０１