Nissan Sentra. Instruction — part 169
C1109 POWER AND GROUND SYSTEM
BRC-63
< 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-64
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1110, C1170 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
C1110, C1170 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
DTC Logic
INFOID:0000000009757840
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757841
1.
REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
CAUTION:
Replace ABS actuator and electric unit (control unit) when self diagnostic result shows items other
than those applicable.
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-110, "Removal and Installa-
.
DTC
Display item
Malfunction detected condition
Possible cause
C1110
CONTROLLER FAILURE
When there is an internal malfunction in the ABS actuator
and electric unit (control unit).
• ABS actuator and electric unit
(control unit)
C1170
VARIANT CODING
In a case where VARIANT CODING is different.
Self-diagnosis results
CONTROLLER FAILURE
VARIANT CODING
C1111 PUMP MOTOR
BRC-65
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1111 PUMP MOTOR
DTC Logic
INFOID:0000000009757842
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch OFF.
2. Depress brake pedal 20 times or more.
3. Start the engine and wait for 3 minutes or more.
4. Perform self diagnostic result.
Is DTC C1111 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757843
Regarding Wiring Diagram information, refer to
1.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connectors.
3. Check connectors 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 MOTOR AND MOTOR RELAY BATTERY POWER SUPPLY
Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 1 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
C1111
PUMP MOTOR
• When a malfunction is detected in motor or motor
relay.
• When a low pressure malfunction is detected in ac-
cumulator.
• When a malfunction is detected in accumulator
pressure sensor.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Fusible link
• Battery power supply system
• Motor/accumulator assembly
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E33
1
Ground
Battery voltage
BRC-66
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1111 PUMP MOTOR
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
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