Nissan Leaf. Instruction — part 324
BRC-86
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1113, C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts, securely lock the connector, and GO TO 3.
3.
PERFORM SELF DIAGNOSTIC
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is DTC“C1113”, “C1145” or “C1146” detected?
YES
>> GO TO 4.
NO
>> Inspection End.
4.
CHECK YAW RATE/SIDE/DECEL G SENSOR POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Disconnect yaw rate/side/decel G sensor harness connector.
4. Check the continuity between yaw rate/side/decel G sensor harness connector and ABS actuator and
electric unit (control unit) harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK YAW RATE/SIDE/DECEL G SENSOR GROUND CIRCUIT
Check the continuity between yaw rate/side/decel G sensor harness connector and ABS actuator and electric
unit (control unit) harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK YAW RATE/SIDE/DECEL G SENSOR SIGNAL CIRCUIT
Check the continuity between yaw rate/side/decel G sensor harness connector and ABS actuator and electric
unit (control unit) harness connector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts.
7.
CHECK YAW RATE/SIDE/DECEL G SENSOR CIRCUIT
Check the continuity between each terminals of yaw rate/side/decel G sensor harness connector.
ABS actuator and electric unit (control unit)
Yaw rate/side/decel G sensor
Continuity
Connector
Terminal
Connector
Terminal
E35
13
B38
4
Yes
ABS actuator and electric unit (control unit)
Yaw rate/side/decel G sensor
Continuity
Connector
Terminal
Connector
Terminal
E35
28
B38
2
Yes
ABS actuator and electric unit (control unit)
Yaw rate/side/decel G sensor
Continuity
Connector
Terminal
Connector
Terminal
E35
14
B38
5
Yes
29
6
C1113, C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
BRC-87
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace error-detected parts.
8.
CHECK YAW RATE/SIDE/DECEL G SENSOR (1)
With CONSULT
1. Connect yaw rate/side/decel G sensor harness connector.
2. Connect ABS actuator and electric unit (control unit) harness connector.
3. Turn the power switch ON.
CAUTION:
Never set the vehicle to READY.
4. Select “ABS”, “Data Monitor” and “DECEL G-SEN” in order.
5. Move yaw rate/side/decel G sensor as shown in the figure to
check the output of before and after moving the sensor.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace yaw rate/side/decel G sensor. Refer to
164, "Removal and Installation"
9.
CHECK YAW RATE/SIDE/DECEL G SENSOR (2)
1. Turn the power switch OFF.
2. Connect following terminals between yaw rate/side/decel G sensor and harness connector (test harness).
3. Turn the power switch ON.
CAUTION:
Never set the vehicle to READY.
4. Check the voltage between yaw rate/side/decel G sensor harness connector terminals.
CAUTION:
Never short out the terminals while measuring voltages.
Yaw rate/side/decel G sensor
Continuity
Connector
Terminal
B38
2
− 4
No
2
− 5
2
− 6
4
− 5
4
− 6
5
− 6
Condition
DATA MONITOR
Horizontal
Approx. 0 G
Vertical
Approx. +1 G
JSFIA0098ZZ
Yaw rate/side/decel G sensor
Harness connector
Connector
Terminal
2
B38
2
4
4
5
5
6
6
BRC-88
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1113, C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
Is the inspection result normal?
YES
>> Replace ABS actuator end electric unit (control unit). Refer to
BRC-162, "Removal and Installa-
.
NO
>> Replace yaw rate/side/decel G sensor. Refer to
BRC-164, "Removal and Installation"
Yaw rate/side/decel G sensor
Voltage
(Approx.)
connector
Terminal
B38
5 – 2
2.5 – 4.5 V
6 – 2
0.5 – 2.5 V
C1115 WHEEL SENSOR
BRC-89
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1115 WHEEL SENSOR
DTC Logic
INFOID:0000000010120066
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn power switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Set the vehicle to READY.
2. Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
3. Stop the vehicle.
4. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
5. Repeat step 4 two or more times.
6. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C1115” detected?
YES
>> Proceed to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120067
Regarding Wiring Diagram information. Refer to
CAUTION:
Never check the between wheel sensor harness connector terminals.
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY SYSTEM
Check the ABS actuator and electric unit (control unit) power supply system. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK TIRE
1. Turn the power switch OFF.
2. Check the tire air pressure, wear and size. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Adjust air pressure or replace tire and GO TO 3.
DTC
Display Item
Malfunction detected condition
Possible causes
C1115
ABS SENSOR [ABNORMAL
SIGNAL]
When difference in wheel speed between any wheel
and others is detected the vehicle is driven, because
of installation of other tires than specified.
• Harness or connector
• Wheel sensor
• Sensor rotor
• ABS actuator and electric unit
(control unit)
• Tire
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