Honda ACCORD HYBRID 2005 Service Manual page 1849

DTC B1275: Headlight Switch OFF Position
Circuit Malfunction
DTC B1276: Headlight Switch Parking
(SMALL) Position Circuit Malfunction
DTC B1278: Headlight Switch ON Position
Circuit Malfunction
1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF and then back O N .
3. Check for DTCs using the HDS.
Is DTC B1275, B1276 or B1278 indicated?
Y E S — G o t o step 4.
NO—Intermittent failure, the headlight system is
OK at this t i m e . Check pinfits and connections. •
4. Reset the DTCs using the HDS.
5. Turn the ignition switch ON (II) and wait for 2
seconds.
6. Turn the parking (small) light switch ON and w a i t
for 2 seconds.
7. Turn the headlight light switch (LOW) ON and wait
for 2 seconds.
8. Change the d i m m e r switch position f r o m l o w beam
to high beam and w a i t for 2 seconds.
9. Check the DTCs using the HDS.
Is DTC B1275, B1276, B1278 indicated?
Y E S — G o t o step 10.
NO—Intermittent failure, the c o m b i n a t i o n switch
and the control unit are OK at this t i m e . Check
pinfits and connections. •
10. Disconnect the c o m b i n a t i o n light switch 12P
connector f r o m the wiper/washer switch.
11. Perform the c o m b i n a t i o n light switch test (see page
22-176).
Is the combination light switch check OK?
YES—Faulty c o m b i n a t i o n switch control unit,
replace the wiper/washer s w i t c h . •
NO—Replace the c o m b i n a t i o n light switch. •
22-167