Acura CSX. Manual — part 393
01
SNR9AC6K701000R5112FAAT00
+
−
−
−
−
−
−
DTC 51-12:
YES
NO
YES
NO
YES
NO
19-76
ABS Components
ABS MODULATOR-CONTROL UNIT 25P CONNECTOR
MR
B (RED)
Motor Drive Circuit Malfunction
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. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure, the system is OK at this
time. Check for loose terminals at the ABS
modulator-control unit 25P connector. Refer to
intermittent failures troubleshooting (see page
19-50).
5. Turn the ignition switch to LOCK (0).
6. Check the No. 3 (30 A) fuse in the under-hood fuse/
relay box.
Go to step 7.
Reinstall the checked fuse, then go to step 14.
7. Disconnect the ABS modulator-control unit 25P
connector (see step 2 on page 19-90).
8. Check for continuity between ABS modulator-
control unit 25P connector terminal No. 9 and body
ground.
Repair short to body ground in the wire
between the No. 3 (30 A) fuse in the under-hood
fuse/relay box and the ABS modulator-control
unit.
Install a new No. 3 (30 A) fuse in the under-
hood fuse/relay box, then go to step 9.
Wire side of female terminals
Is DT C 51-12 indicated?
Is the f use blown?
Is ther e continuity?
08/08/21 15:03:15 61SNR030_190_0076
02
+
−
−
−
−
YES
NO
YES
NO
19-77
ABS MODULATOR-CONTROL UNIT 25P CONNECTOR
MR
B (RED)
9. Reconnect the ABS modulator-control unit 25P
connector.
10. Turn the ignition switch to ON (II).
11. Clear the DTC with the HDS.
12. Turn the ignition switch to LOCK (0), then turn it to
ON (II) again.
13. Check for DTCs with the HDS.
Replace the ABS modulator-control unit
(see page 19-90).
Troubleshooting is complete.
14. Disconnect the ABS modulator-control unit 25P
connector (see step 2 on page 19-90).
15. Measure the voltage between ABS modulator-
control unit 25P connector terminal No. 9 and body
ground.
Check for loose terminals in the ABS
modulator-control unit 25P connector. If necessary,
substitute a known-good ABS modulator-control
unit (see page 19-90), and retest.
Repair open in the wire between the No. 3
(30 A) fuse in the under-hood fuse/relay box and
the ABS modulator-control unit.
Wire side of female terminals
Is DT C 51-12 indicated?
Is ther e batter y voltage?
08/08/21 15:03:15 61SNR030_190_0077
SNR9AC6K701000R5212FAAT00
SNR9AC6K701000R5301FAAT00
−
−
−
−
DTC 52-12:
DTC 53-01:
DTC 53-12:
YES
NO
YES
NO
19-78
19-78
ABS Components
Motor Stuck OFF
Motor Relay Stuck ON 1
Motor Relay Stuck ON 2
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. 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
5. 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.
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. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure, the system is OK at this
time. Check for loose terminals at the ABS
modulator-control unit 25P connector. Refer to
intermittent failures troubleshooting (see page
19-50).
5. Turn the ignition switch to LOCK (0).
6. Disconnect the ABS modulator-control unit 25P
connector (see step 2 on page 19-90).
Is DT C 52-12 indicated?
Is DT C 53-01 or 53-12 indicated?
08/08/21 15:03:15 61SNR030_190_0078
01
SNR9AC6K701000R5403FAAT00
−
−
−
−
YES
NO
YES
NO
DTC 54-03:
19-79
19-79
MR-GND (BLK)
ABS MODULATOR-CONTROL UNIT 25P CONNECTOR
7. Check for continuity between ABS modulator-
control unit 25P connector terminal No. 25 and
body ground.
Check for loose terminals in the ABS
modulator-control unit 25P connector. If necessary,
substitute a known-good ABS modulator-control
unit (see page 19-90), and retest.
Repair open in the wire between the ABS
modulator-control unit and body ground (G202).
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. 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.
Fail-safe Relay 1 Stuck ON
Wire side of female terminals
Is ther e continuity?
Is DT C 54-03 indicated?
08/08/21 15:03:15 61SNR030_190_0079
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