Honda ACCORD HYBRID 2005 Service Manual page 1033

DTC U1260: Problem in PCM-to-ATFP Control
Unit Communication Circuit
NOTE:
• Record all freeze data and review General
Troubleshooting Information (see page 14-4) before
y o u troubleshoot.
• This code is caused by an electrical circuit problem
and cannot be caused by a mechanical p r o b l e m in the
transmission.
1. Clear the DTC w i t h the HDS.
2. Turn the ignition switch ON (II), w a i t for more than
10 seconds, then check that DTC U1260 recurs.
Is DTC U1260 indicated?
Y E S — G o t o step 3.
NO—Intermittent failure, the system is OK at this
t i m e . H
3. Turn the ignition switch OFF.
4. Check for loose or poor connections at PCM
connector terminal D2 and ATFP control unit
connector terminal No. 9.
Is the connection OK?
YES—Go to step 5.
NO—Connect the connectors securely, return to
step 1 then recheck.
5. J u m p the SCS line w i t h the HDS.
6. Disconnect PCM connector D (17P).
7. Disconnect ATFP control unit connector.
8. Check for continuity between ATFP control unit
connector terminal No. 9 and body g r o u n d .
ATFP C O N T R O L UNIT C O N N E C T O R
1 2 3 4 5
6
/
8 9 10
E O P S C ( B L U / B L K )
W i r e side of f e m a l e t e r m i n a l s
Is there continuity?
YES—Repair a short in the w i r e between PCM
connector terminal D2 and the ATFP control unit,
then go to step 18.
NO—Go to step 9.
(cont'd)
14-197