Honda Accord 2008 Manual page 994

07/11/02 08:49:04 61TA0000_140_0151
DTC P0843: Open in 2nd Clutch Transmission
Fluid Pressure Switch Circuit, or 2nd Clutch
Transmission Fluid Pressure Switch Stuck
OFF
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot with the HDS, and review
General Troubleshooting Information (see page 14-4).
• This code is caused by an electrical circuit problem
and cannot be caused by a mechanical problem in the
transmission.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Start the engine, and warm it up to normal
operating temperature (the radiator fan comes on).
4. Shift to 2 while pressing the brake pedal, and check
that Shift Control indicates 2 in the Data List with
the HDS.
5. Check the 2nd Pressure Switch in the Data List with
the HDS .
Is the 2nd Pressure Switch ON?
YES − Go to step 6.
NO − Go to step 8.
6. Test-drive the vehicle in 2nd gear with the shift
lever in D for at least 2 seconds.
7. Monitor the OBD STATUS for P0843 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. Check for
poor connections or loose terminals between the
2nd clutch transmission fluid pressure switch and
the PCM. If the HDS indicates NOT COMPLETED, go
to step 6.
8. Turn the ignition switch to LOCK (0).
9. Disconnect the 2nd clutch transmission fluid
pressure switch connector.
10. Turn the ignition switch to ON (II).
11. Measure the voltage between the 2nd clutch
transmission fluid pressure switch connector
terminal and body ground.
2ND CLUTCH TRANSMISSION FLUID
PRESSURE SWITCH CONNECTOR
OP2SW (BLU/RED)
Wire side of female terminals
Is there about 5 V ?
−
YES Replace the 2nd clutch transmission fluid
pressure switch (see page 14-237), then go to step
16.
NO − Go to step 12.
ＴＡ０８ＡＥＢＫ７７１０００９０８４３ＦＡＡＴ００
＊０１
(cont'd)
14-149