Honda ACCORD HYBRID 2005 Service Manual page 1793

DTC B1007: MICU Lost Communication with
the Combination Switch Control Unit
(Headlight Switch Message)
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 B1007 indicated?
Y E S — G o t o step 4.
NO—Intermittent failure, the MICU is OK at this
time. 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 of the gauge control m o d u l e and
relay control m o d u l e using the HDS.
Are DTCs B1155 and B1062 also indicated?
YES—Go to the Combination Switch Control Unit
Input Test (see page 22-122). •
NO—Check for an open in the c o m m u n i c a t i o n
circuit between the MICU and the c o m b i n a t i o n
switch control unit. If the circuit is OK, replace the
MICU. If the circuit is bad, repair the open. •
DTC B1008: MICU Lost Communication (A/T
Message) with the Gauge Control Module
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 B1008 indicated?
Y E S — G o t o step 4.
NO—Intermittent failure, the gauge control m o d u l e
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 relay control m o d u l e using
the HDS.
Is DTC B1161 also indicated?
YES—Go to the Gauge Control M o d u l e Input Test
(see page 22-119). •
NO—Check for an open in the c o m m u n i c a t i o n
circuit between the MICU and the gauge control
module. If the circuit is OK, replace the MICU. If the
circuit is bad, repair the o p e n . B
22-111