Honda ACCORD HYBRID 2005 Service Manual page 1272

EPS Components
D T C T r o u b l e s h o o t i n g (cont'd)
DTC 27: ATP-NP Signal Input
NOTE: If the DTC 22 is stored at the same t i m e as
DTC 27, do the DTC 22 t r o u b l e s h o o t i n g first, then
recheck for DTC 27.
1. Turn the ignition switch ON (II).
2. Clear the DTC w i t h the HDS..
3. Start the engine.
4. Test-drive the vehicle for m o r e than 60 seconds,
vehicle speed at 13 m p h (20 km/h) or more.
5. Stop the engine, and verity the DTC.
Is the DTC 27 indicated?
Y E S — G o t o step 6.
NO—Perform the appropriate troubleshooting for
the DTC indicated. •
6. Turn the ignition switch OFF, then disconnect EPS
connector C (13P) and transmission range switch
10P connector.
7. Check for continuity between EPS control unit
connector C (13P) t e r m i n a l No. 8 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
ATP NP ( R E D / Y E L )
Wire side of f e m a l e t e r m i n a l s
Is there continuity?
YES—Repair short to g r o u n d in the w i r e between
the EPS control unit and the transmission range
switch. •
N O — G o t o step 8.
Check for continuity between transmission range
switch 10P connector terminal No. 10 and EPS
control unit connector C (13P) terminal No. 8.
T R A N S M I S S I O N R A N G E SWITCH 10P C O N N E C T O R
1 0
ATP NP (BLU/WHT)
E P S C O N T R O L UNIT C O N N E C T O R C (13P)
1 4 5
6 8 9 10 11 12 13
ATP NP ( R E D / Y E L )
Wire side of f e m a l e t e r m i n a l s
Is there continuity?
YES—Check for loose terminals and poor
connections at the EPS control unit. If necessary,
substitute a k n o w n - g o o d EPS control unit and
recheck. •
NO—Repair an open in the w i r e between the EPS
control unit and transmission range switch. •
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