Honda Ridgeline. Manual — part 195
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YES
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YES
NO
14-165
24. 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).
25. Start the engine in P, and wait for at least 1 second.
26. Test-drive the vehicle so that it shifts from 1st to 4th
gear in D, then drive the vehicle in 4th gear for at
least 1 second.
27. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at shift solenoid valve B, the shift
solenoid harness, and the PCM. If the PCM was
updated, substitute a known-good PCM (see page
14-9), then go to step 25. If the PCM was substituted,
go to step 1.
If Temporary DTC or DTC P0976 is not
indicated, or if any other Temporary DTCs or DTCs
are indicated, go to step 28.
28. Monitor the OBD STATUS for P0976 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
27, go to the indicated DTCs troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at shift solenoid
valve B, the shift solenoid harness, and the PCM. If
the PCM was updated, substitute a known-good
PCM (see page 14-9), then go to step 25. If the PCM
was substituted, go to step 1. If the screen indicates
NOT COMPLETED, go to step 25.
Is DT C P097 6 indicated?
Does the scr een indicate PASSED?
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01
SJC8A00K77100090977FAAT00
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DTC P0977:
YES
NO
YES
NO
YES
NO
YES
NO
14-166
Automatic Transmission
DTC Troubleshooting (cont’d)
C (44P)
PCM CONNECTORS
B (44P)
LG1 (BRN/YEL)
LG2 (BRN/YEL)
SH B
(GRN/
WHT)
Open in Shift Solenoid Valve B
Circuit
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot, 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. Clear the DTC with the HDS.
2. Start the engine in P, and wait for at least 1 second.
3. Test-drive the vehicle so that it shifts from 1st to 4th
gear in D, then drive the vehicle in 4th gear for at
least 1 second.
4. Check that DTC P0977 recurs.
Go to step 9.
Go to step 5.
5. Select SHIFT SOLENOID B in MISCELLANEOUS
TEST MENU, and test SHIFT SOLENOID VALVE B
with the HDS.
Go to step 7.
Go to step 9.
6. Start the engine in P, and wait for at least 1 second.
7. Test-drive the vehicle so that it shifts from 1st to 4th
gear in D, then drive the vehicle in 4th gear for at
least 1 second.
8. Monitor the OBD STATUS for P0977 in the DTCs
MENU with the HDS.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at shift solenoid valve B, the shift solenoid harness
connector, and the PCM.
If the screen indicates FAILED, go to step 9. If
the screen indicates NOT COMPLETED, return to
step 5 and recheck.
9. Turn the ignition switch to LOCK (0).
10. Jump the SCS line with the HDS.
11. Disconnect PCM connectors B (44P) and C (44P).
12. Measure the resistance between PCM connector
terminals C23 and C40 or B43.
Go to step 24.
Go to step 13.
Terminal side of female terminals
Is DT C P097 7 indicated?
Is a clicking sound hear d?
Does the scr een indicate PASSED?
Is ther e 12
25
?
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*02
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YES
NO
YES
NO
14-167
PCM CONNECTOR C (44P)
SHIFT SOLENOID
HARNESS CONNECTOR
SH B (GRN/WHT)
SH B (GRN/WHT)
SH B (ORN)
SHIFT SOLENOID
HARNESS CONNECTOR
SHIFT SOLENOID
VALVE B CONNECTOR
13. Disconnect the shift solenoid harness connector.
14. Check for continuity between PCM connector
terminal C23 and shift solenoid harness connector
terminal No. 1.
Go to step 15.
Repair open in the wire between PCM
connector terminal C23 and the shift solenoid
harness connector, then go to step 17.
15. Remove the shift solenoid harness (see page
14-188).
16. Check for continuity between shift solenoid
harness connector terminal No. 1 and the shift
solenoid valve B connector terminal.
Replace shift solenoid valve B (see page
14-188), then go to step 17.
Replace the shift solenoid harness (see page
14-188), then go to step 17.
(cont’d)
Wire side of
female terminals
Terminal side of
female terminals
Wire side of
female terminals
Terminal side of
male terminals
Is ther e continuity?
Is ther e continuity?
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YES
NO
YES
NO
YES
NO
YES
NO
14-168
Automatic Transmission
DTC Troubleshooting (cont’d)
17. Reconnect all connectors.
18. Turn the ignition switch to ON (II).
19. Clear the DTC with the HDS.
20. Start the engine in P, and wait for at least 1 second.
21. Test-drive the vehicle so that it shifts from 1st to 4th
gear in D, then drive the vehicle in 4th gear for at
least 1 second.
22. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at shift solenoid valve B, the shift
solenoid harness, and the PCM, then go to step 1.
If Temporary DTC or DTC P0977 is not
indicated, or if any other Temporary DTCs are
indicated, go to step 23.
23. Monitor the OBD STATUS for P0977 in the DTCs
MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTC or DTCs were indicated on step 22,
go to the indicated DTCs troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at shift solenoid
valve B, the shift solenoid harness, and the PCM,
then go to step 1. If the screen indicates NOT
COMPLETED, go to step 21.
24. 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).
25. Start the engine in P, and wait for at least 1 second.
26. Test-drive the vehicle so that it shifts from 1st to 4th
gear in D, then drive the vehicle in 4th gear for at
least 1 second.
27. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at shift solenoid valve B, the shift
solenoid harness, and the PCM. If the PCM was
updated, substitute a known-good PCM (see page
14-9), then go to step 26. If the PCM was substituted,
go to step 1.
If Temporary DTC or DTC P0977 is not
indicated, or if any other Temporary DTCs or DTCs
are indicated, go to step 28.
28. Monitor the OBD STATUS for P0977 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
27, go to the indicated DTCs troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at shift solenoid
valve B, the shift solenoid harness, and the PCM. If
the PCM was updated, substitute a known-good
PCM (see page 14-9), then go to step 26. If the PCM
was substituted, go to step 1. If the screen indicates
NOT COMPLETED, go to step 26.
Is DT C P097 7 indicated?
Does the scr een indicate PASSED?
Is DT C P097 7 indicated?
Does the scr een indicate PASSED?
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