Honda Accord 2008 Manual page 2255

07/11/02 09:37:03 61TA0000_220_0225
Turn Signal/Hazard Warning Lights
DTC Troubleshooting
DTC B1280: Turn Signal Switch 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. Operate the turn signal switch in left and right
positions, and wait for 6 seconds or more.
4. Check for DTCs with the HDS.
Is DT C B1280 indicated?
YES − Go to step 5.
−
NO Intermittent failure, the system is OK at this
time. Check for loose or poor connections.
5. Select LIGHTING from the BODY ELECTRICAL
system select menu, then enter the DATA LIST.
6. Check each turn signal switch position value with
the DATA LIST menu.
When the turn signal switch is in left position
Turn Signal Switch (LEFT)
Turn Signal Switch (RIGHT)
When the turn signal switch is in right position
Turn Signal Switch (LEFT)
Turn Signal Switch (RIGHT)
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 7.
7. Turn the ignition switch to LOCK (0).
22-222
Data List Value
ON
OFF
Data List Value
OFF
ON
8. Disconnect the combination light switch 12P
connector.
9. Disconnect driver's under-dash fuse/relay box
connector R (24P).
10. Check for continuity between body ground and the
driver's under-dash fuse/relay box connector R
(24P) No. 13 and No. 14 terminals.
DRIVER'S UNDER-DASH FUSE/RELAY BOX
CONNECTOR R (24P)
LEFT
RIGHT (BRN)
(LT GRN)
Wire side of female terminals
Is there continuity?
−
YES Repair a short to ground in the wire.
NO − Go to step 11.
11. Check for continuity between the driver's under-
dash fuse/relay box connector R (24P) No. 13 and
No. 14 terminals.
DRIVER'S UNDER-DASH FUSE/RELAY BOX
CONNECTOR R (24P)
LEFT
RIGHT (BRN)
(LT GRN)
Wire side of female terminals
Is there continuity?
−
YES Repair a short between the wires.
NO − Replace the combination light switch.
ＴＡ０８Ａ００Ｋ７６９０００Ｙ１２８０ＦＡＡＴ００
＊０１
＊０２