Infiniti G35 (V35) Sedan. Manual — part 244
BRC-50
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C1120, C1122, C1124, C1126 IN ABS SOL
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actua-
tor and electric unit (control unit). Refer to
BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-
>> END
C1121, C1123, C1125, C1127 OUT ABS SOL
BRC-51
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1121, C1123, C1125, C1127 OUT ABS SOL
Description
INFOID:0000000000958560
The solenoid valve increases, holds or decreases the fluid pressure of each brake caliper according to the sig-
nals transmitted by the ABS actuator and electric unit (control unit).
DTC Logic
INFOID:0000000000958561
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:0000000000958562
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) connector.
3.
Check voltage between ABS actuator and electric unit (control unit) harness connector terminal and
ground.
DTC
Display item
Malfunction detected condition
Possible cause
C1121
FR LH OUT ABS SOL
When the control unit detects a malfunction in the front
LH outlet solenoid circuit.
• ABS actuator and electric unit
(control unit)
C1123
FR RH OUT ABS SOL
When the control unit detects a malfunction in the front
RH outlet solenoid circuit.
C1125
RR LH OUT ABS SOL
When the control unit detects a malfunction in the rear LH
outlet solenoid circuit.
C1127
RR RH OUT ABS SOL
When the control unit detects a malfunction in the rear
RH outlet solenoid circuit.
Self-diagnosis results
FR LH OUT ABS SOL
FR RH OUT ABS SOL
RR LH OUT ABS SOL
RR RH OUT ABS SOL
BRC-52
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C1121, C1123, C1125, C1127 OUT ABS SOL
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
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).
NO
>> Repair or replace malfunctioning components.
Component Inspection
INFOID:0000000000958563
1.
CHECK ACTIVE TEST
1.
Select each test menu item on ”ACTIVE TEST“.
2.
On the display, touch “UP”, “KEEP”, and “DOWN”, and check that the system operates as shown in the
table below.
*: ON for 1 to 2 seconds after the touch, and then OFF.
NOTE:
A brief moment of ON/OFF condition occurs every 20 seconds after ignition switch turned ON. This is not malfunction because it is
an operation for checking.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to diagnosis procedure. Refer to
Special Repair Requirement
INFOID:0000000000958564
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E41
3
Ground
Battery voltage
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E41
1, 4
Ground
Existed
Operation (Note)
ABS solenoid valve
UP
KEEP
DOWN
FR RH IN SOL
OFF
ON
ON
FR RH OUT SOL
OFF
OFF
ON*
FR LH IN SOL
OFF
ON
ON
FR LH OUT SOL
OFF
OFF
ON*
RR RH IN SOL
OFF
ON
ON
RR RH OUT SOL
OFF
OFF
ON*
RR LH IN SOL
OFF
ON
ON
RR LH OUT SOL
OFF
OFF
ON*
USV [FR-RL]
OFF
OFF
OFF
USV [FL-RR]
OFF
OFF
OFF
HSV [FR-RL]
OFF
OFF
OFF
HSV [FL-RR]
OFF
OFF
OFF
C1121, C1123, C1125, C1127 OUT ABS SOL
BRC-53
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actua-
tor and electric unit (control unit). Refer to
BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-
>> END
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