Acura CSX. Manual — part 270
*02
*03
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YES
NO
YES
NO
14-161
A/T CLUTCH PRESSURE CONTROL
SOLENOID VALVE C CONNECTOR
LSC (BLU/YEL)
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE C CONNECTOR
PCM CONNECTOR B (44P)
LSC (BLU/YEL)
LSC (BLU/YEL)
12. Jump the SCS line with the HDS.
13. Disconnect PCM connector B (44P).
14. Check for continuity between A/T clutch pressure
control solenoid valve C connector terminal No. 1
and body ground.
Repair short to body ground in the wire
between A/T clutch pressure control solenoid valve
C connector terminal No. 1 and body ground, then
go to step 16.
Go to step 15.
15. Check for continuity between A/T clutch pressure
control solenoid valve C connector terminal No. 1
and PCM connector terminal B25.
Go to step 22.
Repair open in the wire between A/T clutch
pressure control solenoid valve C connector
terminal No. 1 and PCM connector terminal B25,
then go to step 16.
Wire side of female terminals
Wire side of
female terminals
Terminal side of
female terminals
Is ther e continuity?
Is ther e continuity?
08/08/21 14:43:57 61SNR030_140_0163
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YES
NO
YES
NO
YES
NO
YES
NO
14-162
Automatic Transmission
16. Reconnect all connectors.
17. Turn the ignition switch to ON (II).
18. Clear the DTC with the HDS.
19. Start the engine, and wait for at least 1 second.
20. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals between A/T clutch pressure control
solenoid valve C and the PCM, then go to step 1.
Go to step 21.
21. Monitor the OBD STATUS for P0970 in the DTCs
MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 20,
go to the indicated DTC’s troubleshooting.
If the HDS indicates FAILED, check for poor
connections or loose terminals between A/T clutch
pressure control solenoid valve C and the PCM,
then go to step 1. If the HDS indicates NOT
COMPLETED, go to step 19.
22. Reconnect all connectors.
23. Update the PCM if it does not have the latest
software (see page 11-227), or substitute a known-
good PCM (see page 11-7).
24. Start the engine, and wait for at least 1 second.
25. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals between A/T clutch pressure control
solenoid valve C and the PCM. If the PCM was
updated, substitute a known-good PCM (see page
11-7), then go to step 24. If the PCM was substituted,
go to step 1.
Go to step 26.
26. Monitor the OBD STATUS for P0970 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 11-228). If any other
Temporary DTCs or DTCs were indicated in step 25,
go to the indicated DTC’s troubleshooting.
If the HDS indicates FAILED, check for poor
connections or loose terminals between A/T clutch
pressure control solenoid valve C and the PCM. If
the PCM was updated, substitute a known-good
PCM (see page 11-7), then go to step 24. If the PCM
was substituted, go to step 1. If the HDS indicates
NOT COMPLETED, go to step 24.
Is DT C P097 0 indicated?
Does the HDS indicate PASSED?
Is DT C P097 0 indicated?
Does the HDS indicate PASSED?
08/08/21 14:43:57 61SNR030_140_0164
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01
*01
SNR9AA1K77100090971FAAT00
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DTC P0971:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
14-163
A/T CLUTCH PRESSURE CONTROL
SOLENOID VALVE C CONNECTOR
A/T CLUTCH PRESSURE CONTROL
SOLENOID VALVE C CONNECTOR
GND (BLK/RED: ’06 model,
BLK: ’07-09 models)
Problem in A/T Clutch Pressure
Control Solenoid Valve C
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot with the HDS, and review
General Troubleshooting Information (see page 14-3).
• 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 wait for at least 1 second.
4. Check for Temporary DTCs or DTCs with the HDS.
Go to step 8.
Go to step 5.
5. Select Clutch Pressure Control (Linear) Solenoid
Valve C in the Miscellaneous Test Menu, and test
A/T clutch pressure control solenoid valve C with
the HDS.
Go to step 6.
Go to step 8.
6. In the Clutch Pressure Control Solenoid Valve
Control Menu, select A/T clutch pressure control
solenoid valve C at 0.2 A.
7. Monitor the OBD STATUS for P0971 in the DTCs
MENU with the HDS.
Go to step 8.
If the HDS indicates PASSED, intermittent
failure, the system is OK at this time. Check for
poor connections or loose terminals between A/T
clutch pressure control solenoid valve C and the
PCM. If the HDS indicates NOT COMPLETED, go to
step 5.
8. Turn the ignition switch to LOCK (0).
9. Disconnect the A/T clutch pressure control solenoid
valve C connector.
10. Measure the resistance between A/T clutch
pressure control solenoid valve C connector
terminals No. 1 and No. 2.
Go to step 11.
Replace A/T clutch pressure control solenoid
valve C (see page 14-226), then go to step 12.
11. Check for continuity between A/T clutch pressure
control solenoid valve C connector terminal No. 2
and body ground.
Go to step 18.
Repair open in the wire between A/T clutch
pressure control solenoid valve C and body ground
(G101) (see page 22-16), or repair poor body
ground (G101), then go to step 12.
Terminal side of male terminals
Wire side of female terminals
Is DT C P097 1 indicated?
Does the HDS indicate NORMAL?
Does the HDS indicate F AILED?
Is ther e 3
10
?
Is ther e continuity?
08/08/21 14:43:58 61SNR030_140_0165
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YES
NO
YES
NO
YES
NO
YES
NO
14-164
Automatic Transmission
12. Reconnect all connectors.
13. Turn the ignition switch to ON (II).
14. Clear the DTC with the HDS.
15. Start the engine, and wait for at least 1 second.
16. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals between A/T clutch pressure control
solenoid valve C and the PCM, then go to step 1.
Go to step 17.
17. Monitor the OBD STATUS for P0971 in the DTCs
MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 16,
go to the indicated DTC’s troubleshooting.
If the HDS indicates FAILED, check for poor
connections or loose terminals between A/T clutch
pressure control solenoid valve C and the PCM,
then go to step 1. If the HDS indicates NOT
COMPLETED, go to step 15.
18. Reconnect all connectors.
19. Update the PCM if it does not have the latest
software (see page 11-227), or substitute a known-
good PCM (see page 11-7).
20. Start the engine, and wait for at least 1 second.
21. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals between A/T clutch pressure control
solenoid valve C and the PCM. If the PCM was
updated, substitute a known-good PCM (see page
11-7), then go to step 20. If the PCM was substituted,
go to step 1.
Go to step 22.
22. Monitor the OBD STATUS for P0971 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 11-228). If any other
Temporary DTCs or DTCs were indicated in step 21,
go to the indicated DTC’s troubleshooting.
If the HDS indicates FAILED, check for poor
connections or loose terminals between A/T clutch
pressure control solenoid valve C and the PCM. If
the PCM was updated, substitute a known-good
PCM (see page 11-7), then go to step 20. If the PCM
was substituted, go to step 1. If the HDS indicates
NOT COMPLETED, go to step 20.
Is DT C P097 1 indicated?
Does the HDS indicate PASSED?
Is DT C P097 1 indicated?
Does the HDS indicate PASSED?
08/08/21 14:43:58 61SNR030_140_0166
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