Honda Accord 2008 Manual page 2519

07/11/02 09:49:48 61TA0000_230_0075
Audio System
Symptom Troubleshooting (cont'd)
Radio tuner does not change stations
NOTE:
• Check the vehicle battery condition first.
• Check the connectors for poor connections or loose
terminals.
1. Turn the ignition switch to ON (II).
2. Turn on the audio unit and note the audio
information on the display panel.
Does the audio inf ormation display properly?
−
YES Go to step 3.
−
NO Go to Audio system information does not
display on the audio-HVAC (sub) display unit
(see page 23-74).
3. Operate the tuning knob to see if the radio station
changes.
Does the radio station change?
YES − Intermittent failure, the tuning knob is OK at
this time.
−
NO Go to step 4.
4. Go to the audio button, knob, and remote switch
detection mode in the audio system self-diagnostic
function (see page 23-46).
Is the rotating portion of the selector knob ( tune
( sound) knob ICD) detected when operated in both
directions?
YES − Substitute a known-good audio unit with
navigation system (see page 23-109), without
navigation system (see page 23-111) and recheck. If
the symptom/indication goes away, replace the
original audio unit with navigation system
(see page 23-109), without navigation system
(see page 23-111).
− Substitute a known-good audio switch panel
NO
and recheck. If the symptom/indication goes away,
replace the original audio switch panel (see page
23-112). If the system is still present, substitute a
known-good audio unit with navigation system
(see page 23-109), without navigation system
(see page 23-111) and recheck. If the symptom/
indication goes away, replace the original audio
unit with navigation system (see page 23-109),
without navigation system (see page 23-111).
23-74 23-74
ＴＡ０８Ａ００Ｊ１０３００００００００ＦＡＡＴ１２
Audio system information does not display
on the audio-HVAC (sub) display unit
NOTE:
• Check the vehicle battery condition first.
• Check the connectors for poor connections or loose
terminals.
1. Remove the audio-HVAC display unit (see page
23-114).
2. Check the connections at the audio-HVAC (sub)
display unit 12P connector and audio unit
connector B (20P).
Are the connectors and terminals connected
properly?
YES − Go to step 3.
−
NO Repair the connection and recheck.
3. Turn the ignition switch to ON (II).
4. Measure the voltage between audio-HVAC (sub)
display unit 12P connector terminal No. 6 and body
ground.
AUDIO-HVAC (SUB) DISPLAY UNIT 12P CONNECTOR
Wire side of female terminals
Is there battery voltage?
−
YES Go to step 5.
NO − Repair open in the wire between No. 15 (10 A)
fuse in the under-hood fuse/relay box and audio-
HVAC (sub) display unit 12P connector No. 6
terminal.
ＴＡ０８Ａ００Ｊ１０３００００００００ＦＡＡＴ１３
＋
B (WHT)
＊１６