Honda 2004 Odyssey Service Manual page 937

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 14-247)
before you troubleshoot.
• Keep these replacement solenoid valves on hand:
– Shift solenoid valves A, B, and C
– A/T clutch pressure control solenoid valves A and B
1. Check whether the scan tool or the HDS indicates
another code.
Does the scan tool or the HDS indicate another
code?
YES Perform the Troubleshooting Flowchart for
the indicated code(s). Recheck for code P0730 after
troubleshooting.
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 5th clutch
pressure (see page 14-355).
Is each clutch pressure within the service limit?
YES Go to step 3.
NO Replace the transmission.
3. Replace shift solenoid valve B (see page 14-358).
4. Replace shift solenoid valves A and C (see page 14-
359).
5. Replace A/T clutch pressure control solenoid valves
A and B (see page 14-361).
14-324
6. Clear the DTC with the scan tool or the HDS.
7. Drive the vehicle under the same conditions as
those indicated by the freeze data, or at speeds
over 12 mph (20 km/h) in 1st, 2nd, 3rd, 4th, and 5th
gear in the D position for more than 30 seconds.
8. Recheck for code P0730.
Does the scan tool or the HDS indicate code
P07 30?
YES Replace the transmission.
NO The system is OK at this time.