Nissan Tiida C11. Manual — part 72
BRC-54
< COMPONENT DIAGNOSIS >
[ABS]
C1140 ACTUATOR RLY
C1140 ACTUATOR RLY
Description
INFOID:0000000001731275
Activates or deactivates each solenoid valve according to the signals transmitted by the ABS actuator and
electric unit (control unit).
DTC Logic
INFOID:0000000001731276
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:0000000001731277
INSPECTION PROCEDURE
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) connector.
3.
Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
4.
Reconnect connectors and then perform the self-diagnosis. Refer to
.
Is any item indicated on the self-diagnosis display?
YES
>> GO TO 2
NO
>> Poor connection of connector terminal. Repair or replace connector.
2.
CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) connec-
tor.
3.
Check voltage between ABS actuator and electric unit (control
unit) harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace malfunctioning components.
3.
CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACUATOR RELAY GROUND CIRCUIT
DTC
Display item
Malfunction detected condition
Possible cause
C1140
ACTUATOR RLY
ABS actuator relay or circuit malfunction.
• Harness or connector
• ABS actuator and electric unit
(control unit)
Self-diagnosis results
ACTUATOR RLY
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E125
32
Ground
Battery voltage
AWFIA0018ZZ
C1140 ACTUATOR RLY
BRC-55
< COMPONENT DIAGNOSIS >
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Check continuity between ABS actuator and electric unit (control
unit) harness connector terminals and ground.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
BRC-85, "Removal and Installation"
NO
>> Repair or replace malfunctioning components.
Component Inspection
INFOID:0000000001731278
1.
CHECK ACTIVE TEST
1.
On “ACTIVE TEST”, select “ABS MOTOR”.
2.
Touch ON and OFF on screen. Make sure motor relay and actuator relay operates as shown in table
below.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to diagnosis procedure. Refer to
Special Repair Requirement
INFOID:0000000001731279
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform neutral position adjustment for the steering angle sensor when replacing the ABS actuator
and electric unit (control unit). Refer to
BRC-90, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL
.
>> GO TO 2
2.
CALIBRATION OF DECEL G SENSOR
Always perform calibration of decel G sensor when replacing the ABS actuator and electric unit (control unit).
Refer to
BRC-91, "CALIBRATION OF DECEL G SENSOR : Description"
.
>> END
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E125
16, 47
Ground
Yes
AWFIA0016ZZ
Operation
ON
OFF
MOTOR RELAY
ON
OFF
ACTUATOR RLY
ON
ON
BRC-56
< COMPONENT DIAGNOSIS >
[ABS]
C1155 BRAKE FLUID LEVEL SWITCH
C1155 BRAKE FLUID LEVEL SWITCH
Description
INFOID:0000000001731290
The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actu-
ator and electric unit (control unit).
DTC Logic
INFOID:0000000001731291
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:0000000001731292
INSPECTION PROCEDURE
1.
CONNECTOR INSPECTION
1.
Disconnect ABS actuator and electric unit (control unit) connector E125 and brake fluid level switch con-
nector E21.
2.
Check the terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace as necessary.
2.
CHECK HARNESS BETWEEN BRAKE FLUID LEVEL SWITCH AND ABS ACTUATOR AND ELECTRIC
UNIT (CONTROL UNIT)
1.
Check continuity between ABS actuator and electric unit (control
unit) harness connector E125 (A) and brake fluid level switch
harness connector E21 (B).
2.
Check continuity between ABS actuator and electric unit (control
unit) harness connector E125 (A) and ground.
Is the inspection result normal?
DTC
Display item
Malfunction detected condition
Possible cause
C1155
BR FLUID LEVEL LOW
Brake fluid level is low or communication line between
the ABS actuator and electric unit (control unit) and brake
fluid level switch is open or shorted.
• Harness or connector
• Brake fluid level switch
• Brake fluid level
Self-diagnosis results
BR FLUID LEVEL LOW
ABS actuator and electric unit
(control unit)
Brake fluid level switch
Continuity
Connector
Terminal
Connector
Terminal
A: E125
8
B: E21
1
Yes
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
A: E125
8
Ground
No
AWFIA0025ZZ
C1155 BRAKE FLUID LEVEL SWITCH
BRC-57
< COMPONENT DIAGNOSIS >
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
YES
>> GO TO 3
NO
>> Repair or replace malfunctioning components.
3.
CHECK BRAKE FLUID LEVEL SWITCH GROUND
Check continuity between brake fluid level switch harness connector
E21 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace malfunctioning components.
4.
CHECK BRAKE FLUID LEVEL SWITCH
Check continuity between brake fluid level switch terminals.
Is the inspection result normal?
YES
>> Perform self-diagnosis again. If the same results
appear, replace ABS actuator and electric unit (control unit). Refer to
NO
>> Replace brake fluid level switch.
Component Inspection
INFOID:0000000001731293
1.
CHECK BRAKE FLUID LEVEL SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect brake fluid level switch connector.
3.
Check continuity between brake fluid level switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace brake fluid level switch.
Special Repair Requirement
INFOID:0000000001731294
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform neutral position adjustment for the steering angle sensor when replacing the ABS actuator
and electric unit (control unit). Refer to
BRC-90, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL
.
Brake fluid level switch
—
Continuity
Connector
Terminal
E21
2
Ground
Yes
AWFIA0026ZZ
Brake fluid level switch
Condition
Continuity
Terminal
1
−
2
When brake fluid is full in the reser-
voir tank.
No
When brake fluid is empty in the
reservoir tank.
Yes
ALFIA0026ZZ
Brake fluid level switch
Condition
Continuity
Terminal
1
−
2
When brake fluid is full in the reser-
voir tank.
No
When brake fluid is empty in the
reservoir tank.
Yes
ALFIA0026ZZ
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