Acura CSX. Manual — part 392
SNR9AC6K701000R1223FAAT00
SNR9AC6K701000R2111FAAT00
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DTC 12-23:
DTC 14-23:
DTC 16-23:
DTC 18-23:
DTC 21-11:
DTC 22-11:
DTC 23-11:
DTC 24-11:
YES
NO
DTC
Appropriate Wheel Speed Sensor
YES
NO
YES
NO
19-72
19-72
ABS Components
Right-front Wheel Speed Sensor
Installation Error (0 to 15 km/h (0 to 9 mph))
Left-front Wheel Speed Sensor
Installation Error (0 to 15 km/h (0 to 9 mph))
Right-rear Wheel Speed Sensor
Installation Error (0 to 15 km/h (0 to 9 mph))
Left-rear Wheel Speed Sensor
Installation Error (0 to 15 km/h (0 to 9 mph))
Right-front Magnetic Encoder
(Wheel Bearing) Malfunction (Pulse Missing)
Left-front Magnetic Encoder
(Wheel Bearing) Malfunction (Pulse Missing)
Right-rear Magnetic Encoder
(Wheel Bearing) Malfunction (Pulse Missing)
Left-rear Magnetic Encoder
(Wheel Bearing) Malfunction (Pulse Missing)
1. Test-drive the vehicle between 1 km/h (1 mph) and
15 km/h (9 mph).
NOTE: Drive the vehicle on the road, not on a lift.
2. Check the RF, LF, RR, LR WHEEL SPEED in the ABS
DATA LIST with the HDS.
Intermittent failure, the system is OK at this
time. Check for loose terminals between the wheel
speed sensor 2P connector and the ABS modulator-
control unit 25P connector. Refer to intermittent
failures troubleshooting (see page 19-50).
Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Check that the appropriate wheel speed sensor is
properly mounted (see page 19-92).
12-23
Right-front
14-23
Left-front
16-23
Right-rear
18-23
Left-rear
Replace the appropriate wheel speed sensor
(see page 19-92).
Reinstall the wheel speed sensor, and check
the mounting position (see page 19-92).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Test-drive the vehicle at 20 km/h (13 mph) or more,
and go a distance of 100 m (328 ft) or more.
NOTE: Drive the vehicle on the road, not on a lift.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure, the system is OK at this
time. Check for loose terminals between the wheel
speed sensor 2P connector and the ABS modulator-
control unit 25P connector. Refer to intermittent
failures troubleshooting (see page 19-50).
5. Turn the ignition switch to LOCK (0).
Ar e all f our values the same?
Is the wheel speed sensor installation OK ?
Is DT C 21-11, 22-11, 23-11, and/ or 24-11
indicated?
08/08/21 15:03:14 61SNR030_190_0072
SNR9AC6K701000R31XXFAAT00
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DTC
Appropriate
Magnetic
Encoder
Note
YES
NO
Subcode
Malfunction
Note (DTC)
DTC 31-xx :
DTC 32-xx :
DTC 33-xx :
DTC 34-xx :
DTC 35-xx :
DTC 36-xx :
DTC 37-xx :
DTC 38-xx :
19-73
19-73
6. Inspect the appropriate magnetic encoder for
damage, debris, and correct installation.
21-11
Right-front
Remove the
driveshaft outboard
joint from the
appropriate wheel
hub (see page 18-15).
22-11
Left-front
23-11
Right-rear
Remove the hub
bearing unit
(see page 18-32).
24-11
Left-rear
Remove the debris from the magnetic
encoder, or replace the wheel bearing (front) or the
hub bearing unit (rear):
• Front: Replace the front wheel bearing (see page
18-18).
• Rear: Replace the rear hub bearing unit (see page
18-32).
Clean off debris from the appropriate
magnetic encoder surface on the wheel bearing or
the hub bearing unit, then go to step 1, and
recheck. If the DTC is still present, replace the
appropriate wheel bearing or hub bearing unit.
:Any two-character subcode (see table)
01
Solenoid
Initial Pulse
31-01, 32-01, 33-01,
34-01, 35-01, 36-01,
37-01, 38-01
21
Solenoid Pulse
31-21, 32-21, 33-21,
34-21, 35-21, 36-21,
37-21, 38-21
22
Solenoid
Speculative
31-22, 32-22, 33-22,
34-22, 35-22, 36-22,
37-22, 38-22
23
Solenoid
Stuck ON
31-23, 32-23, 33-23,
34-23, 35-23, 36-23,
37-23, 38-23
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0), then turn it to
ON (II) again.
ABS Right-front Inlet Solenoid
Valve Malfunction
ABS Right-front Outlet Solenoid
Valve Malfunction
ABS Left-front Inlet Solenoid
Valve Malfunction
ABS Left-front Outlet Solenoid
Valve Malfunction
ABS Right-rear Inlet Solenoid
Valve Malfunction
ABS Right-rear Outlet Solenoid
Valve Malfunction
ABS Left-rear Inlet Solenoid
Valve Malfunction
ABS Left-rear Outlet Solenoid
Valve Malfunction
Is the magnetic encoder sur f ace OK ?
08/08/21 15:03:14 61SNR030_190_0073
SNR9AC6K701000R4121FAAT00
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YES
NO
DTC
Appropriate Wheel
YES
NO
YES
NO
DTC 41-21:
DTC 42-21:
DTC 43-21:
DTC 44-21:
19-74
19-74
ABS Components
4. Check for DTCs with the HDS.
Replace the ABS modulator-control unit
(see page 19-90).
Intermittent failure, the system is OK at this
time.
The DTCs may be indicated under these conditions:
• The vehicle goes into a spin.
• The ABS continues to operate for a long time.
• Snow, dirt, or debris build-up on the wheel speed
sensor or magnetic encoder.
• Misadjusted brake pedal position switch.
• Contaminated brake fluid.
1. Raise the vehicle, and support it with safety stands
in the proper locations (see page 1-11).
2. Turn the appropriate wheel by hand.
41-21
Right-front
42-21
Left-front
43-21
Right-rear
44-21
Left-rear
Repair the brake drag.
Go to step 3.
3. Check that the appropriate wheel speed sensor is
properly mounted (see page 19-92).
Go to step 4.
Reinstall the wheel speed sensor, and check
the mounting position (see page 19-92).
Right-front Wheel Lock
Left-front Wheel Lock
Right-rear Wheel Lock
Left-rear Wheel Lock
Is DT C 31-xx, 32-xx, 33-xx, 34-xx, 35-xx, 36-xx,
37 -xx, or 38-xx indicated?
Is ther e br ake dr ag?
Is the wheel speed sensor installation OK ?
08/08/21 15:03:15 61SNR030_190_0074
SNR9AC6K701000R5111FAAT00
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YES
NO
YES
NO
DTC 51-11:
DTC 51-13:
19-75
19-75
4. Turn the ignition switch to ON (II).
5. Clear the DTC with the HDS.
6. Test-drive the vehicle at 10 km/h (7 mph) for
20 seconds or more.
NOTE: Drive the vehicle on the road, not on a lift.
7. Check for DTCs with the HDS.
Check for loose terminals between the wheel
speed sensor 2P connector and the ABS modulator-
control unit 25P connector. If necessary, substitute
a known-good ABS modulator-control unit
(see page 19-90), and retest.
If any other DTCs are indicated, go to the
indicated DTCs troubleshooting. If DTCs are not
indicated, intermittent failure, the system is OK at
the time.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0), then turn it to
ON (II) again.
4. Wait 5 seconds.
5. Operate any one of the four solenoids, as listed, in
the ABS FUNCTION TEST five times with the HDS.
-LFT FT SOLENOID
-RT FT SOLENOID
-LFT REAR SOLENOID
-RT REAR SOLENOID
6. Check for DTCs with the HDS.
Replace the ABS modulator-control unit
(see page 19-90).
Intermittent failure, the system is OK at this
time.
Motor Lock
Motor Drive Circuit Malfunction
Is DT C 41-21, 42-21, 43-21, or 44-21 indicated?
Is DT C 51-11 or 51-13 indicated?
08/08/21 15:03:15 61SNR030_190_0075
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