Nissan Versa Sedan. Manual — part 122
C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
BRC-81
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
DTC Logic
INFOID:0000000009267640
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch OFF to ON.
2. Perform self diagnostic result.
Is DTC C1145 or C1146 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009267641
1.
REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Replace ABS actuator and electric unit (control unit).
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-108, "Removal and Installa-
.
DTC
Display Item
Malfunction detected condition
Possible causes
C1145
YAW RATE SENSOR
• When a malfunction is detected in yaw rate signal.
• When yaw rate signal is not continuously received
for 2 seconds or more.
• When side G signal is not continuously received for
2 seconds or more.
• When decel G signal is not continuously received
for 2 seconds or more.
• Harness or connector
• Yaw rate/side/decel G sensor
• ABS actuator and electric unit
(control unit)
• Ignition power supply system
• Fuse
C1146
SIDE G-SEN CIRCUIT
When a malfunction is detected in side/decel G sig-
nal.
BRC-82
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1155 BR FLUID LEVEL LOW
C1155 BR FLUID LEVEL LOW
DTC Logic
INFOID:0000000009267642
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:0000000009267643
Regarding Wiring Diagram information, refer to
NOTE:
Check brake fluid level in brake reservoir tank before starting inspection.
1.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect combination meter and brake fluid level switch 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 BRAKE FLUID LEVEL SWITCH
Perform the brake fluid level switch component inspection. Refer to
BRC-83, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace brake fluid level switch. Refer to
.
3.
CHECK BRAKE FLUID LEVEL SWITCH HARNESS
1. Check continuity between combination meter connector and brake fluid level switch connector E40 termi-
nal 1.
2. Check continuity between combination meter connector and ground.
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
Self-diagnosis results
BR FLUID LEVEL LOW
Combination meter
Brake fluid level switch
Continuity
Connector
Terminal
Connector
Terminal
M82 (with Type B)
11
E40
1
Yes
M24 (with Type A)
36
C1155 BR FLUID LEVEL LOW
BRC-83
< 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
>> GO TO 4
NO
>> Repair or replace malfunctioning components.
4.
CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT
Check continuity between brake fluid level switch connector E40 terminal 2 and ground.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-108, "Removal and Installa-
NO
>> Repair or replace malfunctioning components.
Component Inspection
INFOID:0000000009267644
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 1
and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace brake fluid level switch. Refer to
.
Combination meter
—
Continuity
Connector
Terminal
M82 (with Type B)
11
Ground
No
M24 (with Type A)
36
Brake fluid level switch
—
Continuity
Connector
Terminal
E40
2
Ground
No
Brake fluid level switch terminals
Condition
Continuity
1— 2
Brake fluid reservoir full
No
Brake fluid reservoir empty
Yes
ALFIA0026ZZ
BRC-84
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1164, C1165, C1166, C1167 CV/SV SYSTEM
C1164, C1165, C1166, C1167 CV/SV SYSTEM
DTC Logic
INFOID:0000000009267645
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch OFF to ON.
2. Perform self diagnostic result.
Is DTC C1164, C1165, C1166 or C1167 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009267646
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
C1164
CV 1
When a malfunction is detected in cut valve 1.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Fusible link
• Battery power supply system
C1165
CV 2
When a malfunction is detected in cut valve 2.
C1166
SV 1
When a malfunction is detected in suction valve 1.
C1167
SV 2
When a malfunction is detected in suction valve 2.
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
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