Honda Accord 2008 Manual page 2673

07/11/02 10:05:50 61TA0000_230_0229
Navigation System
Symptom Troubleshooting (cont'd)
1. Turn the ignition switch to ON (II).
2. Measure the voltage between the HFL/navigation/
ANC microphone connector terminals No. 6 and
No. 7 individually.
＊１５
Is there battery voltage?
YES
−
NO
open in the wire between the under-hood fuse/
relay box and the HFL/navigation/ANC microphone
7P connector. If the ACC wire does not have voltage,
repair open in the wire between the under-dash
fuse/relay box and the HFL/navigation/ANC
microphone 7P connector.
3. Turn the ignition switch to LOCK (0).
4. Disconnect the HFL/navigation/ANC microphone 7P
connector.
5. Check for continuity between HFL/navigation/ANC
microphone 7P connector terminal No. 1 and body
ground.
＊１６
Is there continuity?
YES
−
NO
navigation/microphone and body ground (G501)
(see page 22-32).
23-228
HFL/NAVIGATION/ANC MICROPHONE
7P CONNECTOR
ACC (PUR) ＋ B (WHT)
Wire side of female terminals
− Go to step 3.
＋
If the B wire does not have voltage, repair
HFL/NAVIGATION/ANC MICROPHONE
7P CONNECTOR
GND (BLK)
Wire side of female terminals
−
Go to step 6.
Repair an open in the wire between the HFL/
6. Reconnect the HFL/navigation/microphone 7P
connector.
7. Turn the ignition switch to ON (II).
8. Go into the Self-Diagnosis Mode select Mic Icon
Menu, and use the Mic Level test under Functional
Setup (see page 23-185) to check the operation of
the Talk and Back buttons.
Are the navigation T ALK and BACK buttons
operational?
YES − Go to step 9.
−
NO Check for an open or short to ground on
navigation unit connector C (16P) No. 10
terminal.
9. Use the Mic Level diagnostic under Functional
Setup (see page 23-185) to check the operation of
the microphone.
Is the microphone operational?
YES − Check the operation of the voice control
system (see the Navigation System Manual).
NO − Go to step 10.