Nissan Sentra. Instruction — part 172
C1121, C1123, C1125, C1127 ABS OUT VALVE SYSTEM
BRC-75
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-110, "Removal and Installa-
.
NO
>> Repair or replace malfunctioning components.
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E33
13
Ground
Yes
38
BRC-76
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1130 ENGINE SIGNAL
C1130 ENGINE SIGNAL
DTC Logic
INFOID:0000000009757854
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch ON.
2. Perform self diagnostic result.
Is DTC C1130 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757855
1.
CHECK SELF DIAGNOSTIC RESULT FOR ENGINE SYSTEM
With CONSULT.
Perform self diagnostic result. Refer to
.
Are any ECM DTCs detected?
YES
>> Refer to
.
NO
>> GO TO 2.
2.
CHECK SELF DIAGNOSTIC RESULT FOR ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
With CONSULT.
1. Perform self diagnostic result and erase DTCs.
2. Turn ignition switch OFF.
3. Start engine and drive vehicle for a short period of time.
4. Check that malfunction indicator lamp (MIL) turns OFF.
5. Stop vehicle and perform self diagnostic result.
Is DTC C1130 detected?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-110, "Removal and Installa-
.
NO
>> Check pin terminals and connection of connectors for abnormal conditions. Repair or replace mal-
functioning components.
DTC
Display Item
Malfunction detected condition
Possible causes
C1130
ENGINE SIGNAL 1
When a malfunction is detected in ECM system.
• ECM
• ABS actuator and electric unit
(control unit)
• CAN communication line
C1140 ACTUATOR RELAY SYSTEM
BRC-77
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1140 ACTUATOR RELAY SYSTEM
DTC Logic
INFOID:0000000009757856
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch ON.
2. Perform self diagnostic result.
Is DTC C1140 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757857
Regarding Wiring Diagram information, refer to
1.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check connector and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace as necessary.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY
Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 25 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning components.
3.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector E33 terminals 13, 38 and
ground.
DTC
Display Item
Malfunction detected condition
Possible causes
C1140
ACTUATOR RLY
When a malfunction is detected in actuator relay.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Fusible link
• Battery power supply system
ABS actuator and electric unit (control unit)
—
Voltage
(Approx.)
Connector
Terminal
E33
25
Ground
Battery voltage
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E33
13
Ground
Yes
38
BRC-78
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1140 ACTUATOR RELAY SYSTEM
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-110, "Removal and Installa-
.
NO
>> Repair or replace malfunctioning components.
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