Acura 2002 RSX Service Manual page 631

DTC P0778: Problem in A,/T Clutch Pressure
Control Solenoid Valve B Circuit
NOTE:
. Record all freeze data and review General
Troubleshooting Information (see page 14-3) before
you troubleshoot.
. This code is caused by an electrical circuit problem
and cannot be caused by a mechanical problem in the
t r a n s m i s s i o n .
1. Disconnect the A,/T clutch pressure control solenoid
valve B connector.
2. Measure A/T clutch pressure control solenoid valve
B resistance at the solenoid valve connector
t e r m r n a l s .
A/T CLUTCH PRESSURE CONTROL
SOLENOID VALVE B CONNECTOR
T e r m i n a l s i d e o f m a l e t e r m i n a l s
l s t h e r e 3 1 0 Q ?
YES Go to step 3.
NO Replace the A,/T clutch pressure control
s o l e n o i d v a l v e B . l
_-----^
14-99
3 .
Disconnect PCM connectors B (24P) an d C l22Pl.
Check for continuity between PCM connector
t e r m i n a l s 8 1 6 a n d b o d y g r o u n d , a n d b e t w e e n C 8
a n d b o d y g r o u n d .
PCM CONNECTORS
Wire side of female terminals
ls there continuity?
Y E S - R e p a i r s h o r t t o g r o u n d i n t h e w i r e s b e t w e e n
PCM connector terminals 816 and the A,/T clutch
pressure control solenoid valve B, and between C8
a n d t h e s o l e n o i d v a l v e B . l
NO Go to step 5.
(cont'd)
I (24P)
c t22Pl