Honda Accord 2008 Manual page 1047

07/11/02 09:17:34 61TA0000_140_0204
Automatic Transmission
DTC Troubleshooting (cont'd)
DTC P1730: Problem in Shift Control System:
• Shift Solenoid Valves A or D Stuck OFF
• Shift Solenoid Valve B Stuck ON
• Shift Valves A, B, or D Stuck
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot with the HDS, and review
the General Troubleshooting Information (see page
14-4).
1. Warm up the engine to normal operating
temperature (the radiator fan comes on).
2. Make sure that the transmission is filled to the
proper level, and check for fluid leaks.
3. Drain the ATF (see step 3 on page 14-242) through a
strainer. Inspect the strainer for metal debris or
excessive clutch material.
Does the strainer have metal debris or excessive
clutch material?
YES − Replace the transmission, then go to step 17.
−
NO Replace the ATF (see page 14-242), then go to
step 4.
4. Turn the ignition switch to ON (II).
5. Clear the DTC with the HDS.
6. Test-drive the vehicle with the shift lever in D, and
let the transmission shift through all five gears.
7. Monitor the OBD STATUS for P1730 in the DTCs
MENU with the HDS.
Does the HDS indicate F AILED?
YES − Go to step 8.
− If the HDS indicates PASSED, intermittent
NO
failure, the system is OK at this time. If the HDS
indicates NOT COMPLETED, go to step 6.
8. Clear the DTC with the HDS.
14-202
9. Select Shift Solenoid Valve A in the Miscellaneous
Test Menu, and check that shift solenoid valve A
operates with the HDS.
Is a clicking sound heard?
YES − Go to step 10.
−
NO Replace shift solenoid valve A (see page
14-226), then go to step 14.
10. Select Shift Solenoid Valve B in the Miscellaneous
Test Menu, and check that shift solenoid valve B
operates with the HDS.
Is a clicking sound heard?
YES − Go to step 11.
NO − Replace shift solenoid valve B (see page
14-226), then go to step 14.
11. Select Shift Solenoid Valve D in the Miscellaneous
Test Menu, and check that shift solenoid valve D
operates with the HDS.
Is a clicking sound heard?
YES − Go to step 12.
NO − Replace shift solenoid valve D (see page
14-226), then go to step 14.
12. Test-drive the vehicle with the shift lever in D, and
let the transmission shift through all five gears.
13. Monitor the OBD STATUS for P1730 in the DTCs
MENU with the HDS.
Does the HDS indicate F AILED?
YES − Repair the hydraulic system related to shift
valves A, B, and D, or replace the transmission,
then go to step 17.
−
NO If the HDS indicates PASSED, intermittent
failure, the system is OK at this time. If the HDS
indicates NOT COMPLETED, go to step 12.
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