Honda 2004 Odyssey Service Manual page 729

Automatic Transmission
DTC Troubleshooting (cont'd)
7. Raise the front of the vehicle, and make sure it is
securely supported.
8. Set the parking brake, and block the rear wheels
securely.
9. Start the engine, cancel the TCS, then shift to D3
position, and drive in 3rd gear for more than 5
seconds.
10. Measure the voltage between PCM connector
terminals C19 and A25 or A26.
PCM CONNECTORS
A (31P)
LG1 (BRN/BLK)
LG2 (BRN/BLK)
Wire side of female terminals
Is there about 0 V ?
YES Check for loose terminal fit in the PCM
connectors. If necessary, substitute a known-good
PCM and recheck.
NO Go to step 11.
11. Turn the ignition switch OFF.
12. Disconnect the 3rd clutch pressure switch
connector.
13. Turn the ignition switch ON (II).
14-116
C (22P)
OP3SW (WHT/RED)
14. Measure the voltage between the 3rd clutch
pressure switch connector terminal and body
ground.
3RD CLUTCH PRESSURE
SWITCH CONNECTOR
WHT/RED
Wire side of female terminal
Is there battery voltage?
YES Go to step 15.
NO Repair open in the wire between the 3rd
clutch pressure switch and the PCM.
15. Measure the resistance between the 3rd clutch
pressure switch connector terminal and body
ground.
3RD CLUTCH PRESSURE
SWITCH CONNECTOR
Terminal side of male terminal
Is there 10 M or more?
YES Check for loose terminal fit in the PCM
connectors. If necessary, substitute a known-good
PCM and recheck.
NO Replace the 3rd clutch pressure switch (see
page 14-135).