Honda ACCORD HYBRID 2005 Service Manual page 1796

Multiplex Integrated Control System (MICS)
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
6. Perform the Gauge Control M o d u l e Input Test
(see page 22-119).
Are all inputs OK ?
YES—Go to step 7.
NO—Repair the faulty input then recheck for
DTCs.B
7. Substitute a known-good gauge control module.
8. Clear the DTCs using the HDS.
9. Turn the ignition switch OFF then back to the ON (II).
10. Start and run the engine for at least 5 seconds then
t u r n the engine off.
11. Check for DTCs using the HDS.
lsDTCB1178,B1168 and/or B1169 indicated?
YES—Substitute a known-good PCM and retest. If
the system/indication goes away, replace the
original PCM.B
NO—The original gauge control m o d u l e is faulty;
replace the gauge control m o d u l e (see page
22-235). •
DTC B1080: Power Supply Circuit (IG1 line)
Input Error for Relay Control Module and
MICU
1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF and then back O N .
3. Turn the ignition switch O N (II) and w a i t for
2 seconds or more.
Is DTC B1080 indicated again?
Y E S - G o t o step 4.
NO—Intermittent failure, the relay control module
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 the MICU IG1 power supply No. 21 (7.5 A)
fuse in the under-dash fuse/relay box.
Is the fuse OK ?
YES — G o to MICU Input Test (see page 22-116). •
NO — R e p l a c e the fuse and recheck for DTCs. •
22-114