2006 ACURA CSX Service Repair Manual

window air bleeding climate control clock mileage airbag off

Page 1057 of 2893

ACURA CSX 2006 Service Repair Manual
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14-141
PCM CONNECTOR B (44P)
OP2SW (BLU/RED)
10. Check the 2nd Pressure Switch in the Data List with the HDS.
Replace the 2nd clutch tra

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14-141
PCM CONNECTOR B (44P)
OP2SW (BLU/RED)
10. Check the 2nd Pressure Switch in the Data List with the HDS.
Replace the 2nd clutch transmission fluid
pressure switch (see page 14-228), then go to step
15.
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 (44P).
14. Check for continuity between PCM connector terminal B8 and body ground.
Repair short to body ground in the wire
between PCM connector terminal B8 and the 2nd
clutch transmission fluid pressure switch, then go
to step 15.
Go to step 22. 15. Reconnect all connectors.
16. Turn the ignition switch to ON (II).
17. Clear the DTC with the HDS.
18. Start the engine, and warm it up to normal
operating temperature (the radiator fan comes on).
19. Test-drive the vehicle in 2nd gear with the shift lever in D for at least 2 seconds, then drive in 4th
gear for at least 2 seconds.
20. Check for Temporary DTCs or DTCs with the HDS.
Check for intermittent short to body ground
in the wire between the 2nd clutch transmission
fluid pressure switch and the PCM, then go to step
1.
Go to step 21.
21. Monitor the OBD STATUS for P0842 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
intermittent short to body ground in the wire
between the 2nd clutch transmission fluid pressure
switch and the PCM, then go to step 1. If the HDS
indicates NOT COMPLETED, go to step 18.
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 warm it up to normal operating temperature (the radiator fan comes on).
25. Test-drive the vehicle in 2nd gear with the shift lever in D for at least 2 seconds, then drive in 4th
gear for at least 2 seconds.
(cont’d)
Terminal side of female terminals
I s t he 2nd Pr essur e Sw i t ch OF F ?
Is there continuity? Is DTC P0842 indicated?
Does the HDS ind icate PASSED?
08/08/21 14:42:34 61SNR030_140_0143
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Page 1058 of 2893

ACURA CSX 2006 Service Repair Manual ´
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DTC P0843:
14-14214-142Automatic Transmission
DTC Troubleshooting (cont’d)
26. Chec

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DTC P0843:
14-14214-142Automatic Transmission
DTC Troubleshooting (cont’d)
26. Check for Temporary DTCs or DTCs with the HDS.
Check for intermittent short to body ground
in the wire between the 2nd clutch transmission
fluid pressure switch 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 27.
27. Monitor the OBD STATUS for P0842 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 26,
go to the indicated DTC’s troubleshooting.
If the HDS indicates FAILED, check for
intermittent short to body ground in the wire
between the 2nd clutch transmission fluid pressure
switch 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. 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 warm it up to normal operating temperature (the radiator fan comes on).
4. Shift to S, then select 2nd gear by pressing the paddle shifter (upshift switch) while pressing the
brake pedal, and check if the Shift Control indicates
2nd in the Data List with the HDS.
5. Check the 2nd Pressure Switch in the Data List with the HDS .
Go to step 6.
Go to step 8.
6. Test-drive the vehicle in 2nd gear with the shift lever in D for at least 2 seconds.
7. Monitor the OBD STATUS for P0843 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 the
2nd clutch transmission fluid pressure switch and
the PCM. If the HDS indicates NOT COMPLETED, go
to step 6.Open in 2nd Clutch Transmission
Fluid Pressure Switch Circuit, or 2nd Clutch
Transmission Fluid Pressure Switch Stuck
OFF
Is DTC P0842 indicated?
Does the HDS ind icate PASSED? I s t he 2nd Pr essur e Sw i t ch ON ?Does the HDS ind icate F AILED?
08/08/21 14:42:34 61SNR030_140_0144
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Page 1059 of 2893

ACURA CSX 2006 Service Repair Manual

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14-143
2ND CLUTCH TRANSMISSION FLUID
PRESSURE SWITCH CONNECTOR
OP2SW (BLU/RED) PCM CONNECTOR B (44P)
OP2SW (BLU/RED) 2ND CLUTCH
TRANSMISSION FLUID
PRESSURE SWITC

Page 1060 of 2893

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14-144Automatic Transmission
DTC Troubleshooting (cont’d)
20. Test-drive the vehicle in 2nd gear with the shift
lever in D for at least 2

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14-144Automatic Transmission
DTC Troubleshooting (cont’d)
20. Test-drive the vehicle in 2nd gear with the shift
lever in D for at least 2 seconds, then drive in 4th
gear for at least 2 seconds.
21. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals between the 2nd clutch transmission
fluid pressure switch and the PCM, then go to step
1.
Go to step 22.
22. Monitor the OBD STATUS for P0843 in the DTCs MENU with the HDS.
Troubleshooting is complete. 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 the 2nd
clutch transmission fluid pressure switch and the
PCM, then go to step 1. If the HDS indicates NOT
COMPLETED, go to step 19.
23. Reconnect all connectors.
24. 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).
25. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).
26. Test-drive the vehicle in 2nd gear with the shift lever in D for at least 2 seconds, then drive in 4th
gear for at least 2 seconds. 27. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals between the 2nd clutch transmission
fluid pressure switch and the PCM. If the PCM was
updated, substitute a known-good PCM (see page
11-7), then go to step 25. If the PCM was substituted,
go to step 1.
Go to step 28.
28. Monitor the OBD STATUS for P0843 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 27,
go to the indicated DTC’s troubleshooting.
If the HDS indicates FAILED, check for poor
connections or loose terminals between the 2nd
clutch transmission fluid pressure switch and the
PCM. If the PCM was updated, substitute a known-
good PCM (see page 11-7), then go to step 25. If the
PCM was substituted, go to step 1. If the HDS
indicates NOT COMPLETED, go to step 25.
Is DTC P0843 indicated?
Does the HDS ind icate PASSED? Is DTC P0843 indicated?
Does the HDS ind icate PASSED?
08/08/21 14:42:34 61SNR030_140_0146
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Page 1061 of 2893

ACURA CSX 2006 Service Repair Manual
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DTC P0847:
YES
NO
YES
NO YES
NO
YES
NO
14-145
PCM CONNECTOR B (44P)
OP3SW (BLU/WHT)
Short in 3rd Clutch Transmis

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DTC P0847:
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NO
14-145
PCM CONNECTOR B (44P)
OP3SW (BLU/WHT)
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 14-3).
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. Check the 3rd Pressure Switch in the Data List with the HDS when the transmission is not in 3rd gear.
Go to step 4.
Go to step 7.
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.
Go to step 7.
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.
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.
Replace the 3rd clutch transmission fluid
pressure switch (see page 14-228), then go to step
15.
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 (44P).
14. Check for continuity between PCM connector terminal B9 and body ground.
Repair short to body ground in the wire
between PCM connector terminal B9 and the 3rd
clutch transmission fluid pressure switch, then go
to step 15.
Go to step 22.
(cont’d)
Terminal side of female terminals
Is the 3rd Pressure Switch OFF?
Does the HDS ind icate F AILED? Is the 3rd Pressure Switch OFF?
Is there continuity?
08/08/21 14:42:35 61SNR030_140_0147
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Page 1062 of 2893

ACURA CSX 2006 Service Repair Manual µ
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14-146Automatic Transmission
DTC Troubleshooting (cont’d)
15. Reconnect all connectors.
16. Turn the ignition switch to ON (II).
17. Clear

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14-146Automatic Transmission
DTC Troubleshooting (cont’d)
15. Reconnect all connectors.
16. Turn the ignition switch to ON (II).
17. Clear the DTC with the HDS.
18. Start the engine, and warm it up to normal
operating temperature (the radiator fan comes on).
19. Test-drive the vehicle in 3rd gear with the shift lever in D for at least 2 seconds, then drive in 4th
gear for at least 2 seconds.
20. Check for Temporary DTCs or DTCs with the HDS.
Check for intermittent short to body ground
in the wire between the 3rd clutch transmission
fluid pressure switch and the PCM, then go to step
1.
Go to step 21.
21. Monitor the OBD STATUS for P0847 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
intermittent short to body ground in the wire
between the 3rd clutch transmission fluid pressure
switch and the PCM, then go to step 1. If the HDS
indicates NOT COMPLETED, go to step 18.
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 warm it up to normal operating temperature (the radiator fan comes on).
25. Test-drive the vehicle in 3rd gear with the shift lever in D for at least 2 seconds, then drive in 4th
gear for at least 2 seconds. 26. Check for Temporary DTCs or DTCs with the HDS.
Check for intermittent short to body ground
in the wire between the 3rd clutch transmission
fluid pressure switch 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 27.
27. Monitor the OBD STATUS for P0847 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 26,
go to the indicated DTC’s troubleshooting.
If the HDS indicates FAILED, check for
intermittent short to body ground in the wire
between the 3rd clutch transmission fluid pressure
switch 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 DTC P0847 indicated?
Does the HDS ind icate PASSED? Is DTC P0847 indicated?
Does the HDS ind icate PASSED?
08/08/21 14:42:35 61SNR030_140_0148
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DYNOMITE -2009-

Page 1063 of 2893

ACURA CSX 2006 Service Repair Manual
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DTC P0848:
YES
NO
YES
NO YES
NO
14-147
3RD CLUTCH TRANSMISSION FLUID
PRESSURE SWITCH CONNECTOR
OP3SW (BLU/WHT)
Open in 3

Page 1064 of 2893

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14-148Automatic Transmission
DTC Troubleshooting (cont’d)
PCM CONNECTOR B (44P)
OP3SW (BLU/WHT) 3RD CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH
CONNECT

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