Honda ACCORD HYBRID 2005 Service Manual page 1269

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DTC 19: No Writing the Torque Sensor
Neutral Position
The EPS control unit stores the torque sensor neutral
position in the EEPROM. Memorize the torque sensor
neutral position whenever the gearbox is r e m o v e d and
installed, or w h e n the torque sensor or EPS control unit
is replaced.
NOTE: The torque sensor neutral position is not
effected w h e n erasing the DTCs.
1. T u r n the ignition switch ON (II).
2. Clear the DTC w i t h the HDS.
3. Start the engine.
Does the EPS indicator come on?
YES—Go to step 4.
NO—The system is OK at this t i m e . •
4. Stop the engine, and verify the DTC.
Is DTC 19 indicated?
YES—Do memorizing the torque sensor neutral
position (see page 17-21). •
NO—Perform the appropriate troubleshooting for
the DTC i n d i c a t e d . •
DTC 21: Voltage For IG1
1. Check the No. 21 (7.5 A) fuse in the under-dash
fuse/relay box.
NOTE: All indicators except the charging system
indicator w i l l not come on w h e n the No. 21 (7.5 A)
fuse is b l o w n .
Is the fuse OK ?
Y E S - G o t o step 2.
NO—Replace the fuse and recheck. •
2. Disconnect EPS control unit connector C (13P).
3. Turn the ignition switch ON (II).
4. Measure the voltage between EPS control unit
connector C (13P) terminal No. 6 and body g r o u n d .
E P S C O N T R O L UNIT C O N N E C T O R C (13P)
1
1 1
4 5
6
8 9 10 11 12 13
IG1 (YEL)
V
W i r e side of f e m a l e t e r m i n a l s
is there battery voltage?
YES—Check for loose terminals and poor
connections at the EPS control unit. If necessary,
substitute a known-good EPS control unit and
recheck. •
NO—Repair open in the w i r e between the No. 21
(7.5 A) fuse in the under-dash fuse/relay box and
EPS control unit. If the w i r e is OK, check for an
open circuit inside the under-dash fuse/relay b o x . B
17-37