Honda Accord 2008 Manual page 2231

07/11/02 09:36:27 61TA0000_220_0201
Exterior Lights
DTC Troubleshooting (cont'd)
DTC B1275: Combination Light Switch OFF
Position Circuit Malfunction
DTC B1276: Combination Light Switch
Parking (SMALL) Position Circuit Malfunction
DTC B1278: Combination Light Switch ON
Position Circuit Malfunction
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-120).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back
to ON (II).
3. Turn the combination light switch to the PARKING
(SMALL) and the ON (low beam) positions, and
then OFF position.
4. Wait for 6 seconds or more.
5. Check for DTCs with the HDS.
Is DT C B127 5, B127 6, or B127 8 indicated?
YES − Go to step 6.
NO − Intermittent failure, the system is OK at this
time. Check for loose or poor connections.
6. Select LIGHTING from the BODY ELECTRICAL
system select menu, and enter the DATA LIST.
22-198
7. Check each combination light switch position value
with the DATA LIST menu.
When the combination light switch is turned OFF
Data List
Headlight Switch (OFF)
Headlight Switch (PARKING)
Headlight Switch (HEADLIGHT)
When the combination light switch is turned to
PARKING (SMALL)
Data List
Headlight Switch (OFF)
Headlight Switch (PARKING)
Headlight Switch (HEADLIGHT)
When the combination light switch is turned ON
(HEADLIGHT)
Data List
Headlight Switch (OFF)
Headlight Switch (PARKING)
Headlight Switch (HEADLIGHT)
Are all data list values correct?
YES − Faulty driver's MICU; replace the driver's
under-dash fuse/relay box (see page 22-84).
NO − Go to step 8.
8. Turn the ignition switch to LOCK (0).
9. Disconnect the combination light switch 12P
connector.
10. Turn the ignition switch to ON (II).
11. Select LIGHTING from the BODY ELECTRICAL
system select menu, and enter the DATA LIST.
12. Check each combination light switch position value
with the DATA LIST menu.
When the combination light switch is turned OFF
Data List
Headlight Switch (OFF)
Headlight Switch (PARKING)
Headlight Switch (HEADLIGHT)
Are all data list values indicated OF F ?
−
YES Go to step 16.
NO − Go to step 13.
ＴＡ０８Ａ００Ｋ７６９０００Ｙ１２７５ＦＡＡＴ００
Value
ON
OFF
OFF
Value
OFF
ON
OFF
Value
OFF
ON
ON
Value
OFF
OFF
OFF