Honda Ridgeline. Manual — part 182
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YES
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14-113
23. Replace the output shaft (countershaft) speed
sensor (see page 14-205).
24. Reconnect all connectors.
25. Turn the ignition switch to ON (II).
26. Clear the DTC with the HDS.
27. Test-drive the vehicle at speeds over 12 mph
(20 km/h) in D through all five gears.
28. Turn the ignition switch to LOCK (0), and repeat the
test-drive in step 27.
29. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the output shaft (countershaft) speed
sensor and the PCM, then go to step 1.
If Temporary DTC or DTC P0723 is not
indicated, or if any other Temporary DTCs are
indicated, go to step 30.
30. Monitor the OBD STATUS for P0723 in the DTCs
MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTC or DTCs were indicated on step 29,
go to the indicated DTCs troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the output shaft
(countershaft) speed sensor and the PCM, then go
to step 1. If the screen indicates NOT COMPLETED,
go to step 27.
31. Update the PCM if it does not have the latest
software (see page 14-8), or substitute a known-
good PCM (see page 14-9).
32. Test-drive the vehicle at speeds over 12 mph
(20 km/h) in D through all five gears.
33. Turn the ignition switch to LOCK (0), and repeat the
test-drive in step 32.
34. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the output shaft (countershaft) speed
sensor and the PCM. If the PCM was updated,
substitute a known-good PCM (see page 14-9), then
go to step 32. If the PCM was substituted, go to step
1.
If Temporary DTC or DTC P0723 is not
indicated, or if any other Temporary DTCs or DTCs
are indicated, go to step 35.
35. Monitor the OBD STATUS for P0723 in the DTCs
MENU with the HDS.
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs were indicated on step
34, go to the indicated DTCs troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the output shaft
(countershaft) speed sensor and the PCM. If the
PCM was updated, substitute a known-good PCM
(see page 14-9), then go to step 32. If the PCM was
substituted, go to step 1. If the screen indicates
NOT COMPLETED, go to step 32.
Is DT C P07 23 indicated?
Does the scr een indicate PASSED?
Is DT C P07 23 indicated?
Does the scr een indicate PASSED?
SJC8A00K77100090731FAAT00
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DTC P0731:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
14-114
Automatic Transmission
DTC Troubleshooting (cont’d)
Problem in 1st Clutch and 1st
Clutch Hydraulic Circuit (1st gear incorrect
ratio)
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review 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 14-210) through a
strainer. Inspect the strainer for metal debris or
excessive clutch material.
Replace the transmission, then go to step 11.
Replace the ATF (see step 5 on page 14-210),
then go to step 4.
4. Measure the line pressure (see page 14-184).
Go to step 5.
Repair the ATF pump and the regulator valve,
or replace the transmission, then go to step 11.
5. Measure the 1st clutch pressure (see page 14-184).
Go to step 6.
Shift valves B and C are stuck. Repair these
valves and the hydraulic circuit, or replace the
transmission, then go to step 11.
6. Test stall speed in the 1 position (see page 14-183).
Go to step 7.
Shift valves A and D are stuck. Repair these
valves and the hydraulic circuit, or replace the
transmission.
7. Clear the DTC with the HDS.
8. Test-drive the vehicle in 1st gear in D for at least
12 seconds.
9. Turn the ignition switch to LOCK (0), and repeat the
test-drive in step 8.
10. Monitor the OBD STATUS for P0731 in the DTCs
MENU with the HDS.
Intermittent failure, the system is OK at this
time.
If the screen indicates FAILED, repair the 1st
clutch, or replace the transmission, then go to step
11. If the screen indicates NOT COMPLETED, return
to step 8 and recheck.
Does the str ainer have metal debr is or excessive
clutch mater ial?
Is the line pr essur e within the ser vice limits?
Is the 1st clutch pr essur e within the ser vice
limits?
Is the stall speed within the ser vice limits?
Does the scr een indicate PASSED?
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YES
NO
YES
NO
14-115
11. Reconnect all connectors.
12. Turn the ignition switch to ON (II).
13. Clear the DTC with the HDS.
14. Test-drive the vehicle in 1st gear in D for at least
12 seconds.
15. Turn the ignition switch to LOCK (0), and repeat the
test-drive in step 14.
16. Check for Temporary DTCs or DTCs with the HDS.
Go to step 4.
If Temporary DTC or DTC P0731 is not
indicated, or if any other Temporary DTCs are
indicated, go to step 17.
17. Monitor the OBD STATUS for P0731 in the DTCs
MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTC or DTCs were indicated on step 16,
go to the indicated DTCs troubleshooting.
If the screen indicates FAILED, then go to step
4. If the screen indicates NOT COMPLETED, go to
step 14.
Is DT C P07 31 indicated?
Does the scr een indicate PASSED?
SJC8A00K77100090732FAAT00
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DTC P0732:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
14-116
Automatic Transmission
DTC Troubleshooting (cont’d)
Problem in 2nd Clutch and 2nd
Clutch Hydraulic Circuit (2nd gear incorrect
ratio)
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review 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 14-210) through a
strainer. Inspect the strainer for metal debris or
excessive clutch material.
Replace the transmission, then go to step 11.
Replace the ATF (see step 5 on page 14-210),
then go to step 4.
4. Measure the line pressure (see page 14-184).
Go to step 5.
Repair the ATF pump and the regulator valve,
or replace the transmission, then go to step 11.
5. Measure the 2nd clutch pressure (see page 14-184).
Go to step 6.
Shift valves A and B are stuck. Repair these
valves and the hydraulic circuit, or replace the
transmission, then go to step 11.
6. Test stall speed in the 2 position (see page 14-183).
Go to step 7.
Shift valve C is stuck. Repair shift valve C and
the hydraulic circuit, or replace the transmission,
then go to step 11.
7. Clear the DTC with the HDS.
8. Test-drive the vehicle in 2nd gear in D for at least
12 seconds.
9. Turn the ignition switch to LOCK (0), and repeat the
test-drive in step 8.
10. Monitor the OBD STATUS for P0732 in the DTCs
MENU with the HDS.
Intermittent failure, the system is OK at this
time.
If the screen indicates FAILED, repair the 2nd
clutch, or replace the transmission, then go to step
11. If the screen indicates NOT COMPLETED, return
to step 8 and recheck.
Does the str ainer have metal debr is or excessive
clutch mater ial?
Is the line pr essur e within the ser vice limits?
Is the 2nd clutch pr essur e within the ser vice
limits?
Is the stall speed within the ser vice limits?
Does the scr een indicate PASSED?
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