Honda ACCORD HYBRID 2005 Service Manual page 1797

DTC B1251: Combination Switch Control Unit
Internal Error
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 B1251 indicated?
YES—Faulty c o m b i n a t i o n switch control unit;
replace the wiper/washer switch. •
NO—Intermittent failure, the CPU in the
c o m b i n a t i o n switch control unit is OK at this t i m e .
Check for loose or poor connections. If the
connections are g o o d , check the battery condition
(see page 22-71) and the charging system. •
DTC B1255: Combination Switch Control Unit
Lost Communication With MICU
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 B1255 indicated?
Y E S — G o t o step 4.
NO—Intermittent failure, MICU is OK at this t i m e .
Check for loose or poor connections. If the
connections are g o o d , check the battery condition
(see page 22-71) and the charging system. •
4. Check for DTCs in the c o m b i n a t i o n switch control
using the HDS.
Are DTCs B1055 and B1157 also indicated?
YES—Go to MICU input test (see page 22-116). •
NO—Replace the c o m b i n a t i o n switch control
u n i t . B
22-115