2007 NISSAN TIIDA ABS

C1130, C1131, C1132, C1133, C1136 ENGINE SIGNAL
BRC-53
< COMPONENT DIAGNOSIS >[ABS]
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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
POSITION : Description".
>> 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

BRC-54
< COMPONENT DIAGNOSIS >[ABS]
C1140 ACTUATOR RLY
C1140 ACTUATOR RLY
DescriptionINFOID:0000000001731275
Activates or deactivates each solenoid valve according to the signals transmitted by the ABS actuator and
electric unit (control unit).
DTC LogicINFOID: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 BRC-54, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID: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 BRC-25, "
CONSULT-III Function
(ABS)".
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]
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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).
Refer to BRC-85, "
Removal and Installation".
NO >> Repair or replace malfunctioning components.
Component InspectionINFOID: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 BRC-54, "
Diagnosis Procedure".
Special Repair RequirementINFOID: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
POSITION : Description".
>> 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
DescriptionINFOID: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 LogicINFOID: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 BRC-56, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID: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 LOWBrake 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]
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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 BRC-85, "
Removal and
Installation".
NO >> Replace brake fluid level switch.
Component InspectionINFOID: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 RequirementINFOID: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
POSITION : Description".
Brake fluid level switch
—Continuity
Connector Terminal
E21 2 Ground Yes
AWFIA0026ZZ
Brake fluid level switch
Condition Continuity
Te r m i n a l
1 − 2When brake fluid is full in the reser-
voir tank.No
When brake fluid is empty in the
reservoir tank.Ye s
ALFIA0026ZZ
Brake fluid level switch
Condition Continuity
Te r m i n a l
1 − 2When brake fluid is full in the reser-
voir tank.No
When brake fluid is empty in the
reservoir tank.Ye s
ALFIA0026ZZ

BRC-58
< COMPONENT DIAGNOSIS >[ABS]
C1155 BRAKE FLUID LEVEL SWITCH
>> 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

U1000 CAN COMM CIRCUIT
BRC-59
< COMPONENT DIAGNOSIS >[ABS]
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U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000001731319
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
DTC LogicINFOID:0000000001731320
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000001731321
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn ignition switch OFF, disconnect the ABS actuator and electric unit (control unit) connector, and check
the terminals for deformation, disconnection, looseness, and so on. If there is a malfunction, repair or
replace the terminal.
2. Reconnect connector and perform self-diagnosis.
Is
“CAN COMM CIRCUIT” displayed in self-diagnosis display items?
YES >> Print out the self-diagnostic results, and refer to LAN-22, "Trouble Diagnosis Flow Chart".
NO >> Connector terminal is loose, damaged, open, or shorted.
Special Repair RequirementINFOID:0000000001731322
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
POSITION : Description".
>> 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
DTC Display item Malfunction detected condition Possible cause
U1000 CAN COMM CIRCUITWhen ABS actuator and electric unit (control unit) is not
transmitting or receiving CAN communication signal for 2
seconds or more. CAN communication line
 ABS actuator and electric unit
(control unit)

BRC-60
< COMPONENT DIAGNOSIS >[ABS]
ABS WARNING LAMP
ABS WARNING LAMP
DescriptionINFOID:0000000001731327
×: ON –: OFF
Component Function CheckINFOID:0000000001731328
1.CHECK ABS WARNING LAMP OPERATION
Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to diagnosis procedure. Refer to BRC-60, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001731329
1.CHECK SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to BRC-25, "
CONSULT-III Function
(ABS)".
Is the inspection result normal?
YES >> GO TO 2
NO >> Check items displayed by self-diagnosis.
2.CHECK COMBINATION METER
Check if the indication and operation of combination meter are normal. Refer to MWI-21, "
Diagnosis Descrip-
tion".
Is the inspection result normal?
YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-85, "Removal and Installa-
tion".
NO >> Replace combination meter. Refer to MWI-94, "
Removal and Installation".
Condition ABS warning lamp
Ignition switch OFF–
For 1 second after turning ON ignition switch×
1 second later after turning ON ignition switch –
ABS function is malfunctioning.×
EBD function is malfunctioning.×