Acura 2002 RSX Service Manual page 614

Automatic Transmission
DTC Troubleshooting (cont'd)
DTC P0730: Problem in Shift Control System
NOTE:
. Record all freeze data and review General
Troubleshooting Information (see page 14_3) before
you troubleshoot.
. Keep replacement solenoid valves
on hand;
- A,/T clutch pressure control solenoid valves
B and C
- Shift solenoid vatves A, B, C, D, and
E
1. Check whetherthe OBD ll scan tool indicates
another code.
Does the OBD lt scan toot indicate another code?
YES Perform the troubleshooting flowchart for
the indicated Code(s). Recheck for code pO730 after
troubleshooting.l
NO Go to step 2.
NOTE: Do not continue with this troubleshooting
until the causes of any other DTCS have been
corrected.
2. Measure the 1st. 2nd, 3rd. 4th, and sth clutch
pressure (see page 14-123).
ls each clutch pressure within the service limit?
YES - Go to step 3.
NO Repair the hydraulic system as necessary.I
3. Replace the shift solenoid valves A, B, C, D, and E
( s e e p a g e 1 4 - 1 2 7 ) .
4. Replace the A,/T clutch pressure control solenoid
valves B and C (see page't4-'tg2).
14-82
5. Turn the ignition switch OFF, and resetthe pCM
m e m o r y b y r e m o v i n g t h e N o . 6 E C U { 1 5 A ) f u s e i n
the under-hood fuse/relay box tor more than to
seconos.
6. Using the scan tool, check to be sure that the
engrne coolant temperatu re is .176.F (80"C) or
above. If the coolant temperature is low, warm up
the engine to normal operating temperature (the
radiator fan comes on).
7. Drive the vehicle at speeds over 12 mph (20 km/h)
in 1st, 2nd, 3rd,4th, and Sth gears in E position for
more than 30 seconds.
8. Recheck for code P0730.
Does the OBD ll scan tool indicate code pO730?
YES - Replace the transmission.l
NO The system is OK at this time.t