Honda Accord 2008 Manual page 997

07/11/02 08:49:05 61TA0000_140_0154
Automatic Transmission
DTC Troubleshooting (cont'd)
DTC P0847: Short in 3rd Clutch Transmission
Fluid Pressure Switch Circuit, or 3rd Clutch
Transmission Fluid Pressure Switch Stuck
ON
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. Check the 3rd Pressure Switch in the Data List with
the HDS when the transmission is not in 3rd gear.
Is the 3rd Pressure Switch OF F ?
YES − Go to step 4.
NO − Go to step 6.
4. Start the engine, and warm it up to normal
operating temperature (the radiator fan comes on).
5. Test-drive the vehicle in 4th gear with the shift lever
in D for at least 2 seconds.
6. Monitor the OBD STATUS for P0847 in the DTCs
MENU with the HDS.
Does the HDS indicate F AILED?
YES − Go to step 7.
−
NO If the HDS indicates PASSED, intermittent
failure, the system is OK at this time. Check for
intermittent short to body ground in the wire
between the 3rd clutch transmission fluid pressure
switch and the PCM. If the HDS indicates NOT
COMPLETED, go to step 4.
14-152
7. Turn the ignition switch to LOCK (0).
8. Disconnect the 3rd clutch transmission fluid
pressure switch connector.
9. Turn the ignition switch to ON (II).
10. Check the 3rd Pressure Switch in the Data List with
the HDS.
Is the 3rd Pressure Switch OF F ?
YES − Replace the 3rd clutch transmission fluid
pressure switch (see page 14-238), then go to step
15.
NO − Go to step 11.
11. Turn the ignition switch to LOCK (0).
12. Jump the SCS line with the HDS.
13. Disconnect PCM connector B (49P).
14. Check for continuity between PCM connector
terminal B9 and body ground.
PCM CONNECTOR B (49P)
OP3SW (BLU/WHT)
Terminal side of female terminals
Is there continuity?
− Repair short to body ground in the wire
YES
between PCM connector terminal B9 and the 3rd
clutch transmission fluid pressure switch, then go
to step 15.
NO − Go to step 22.
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