Infiniti G35 (V35) Sedan. Manual — part 238
BRC-26
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
CONSULT-III Function (ABS)
INFOID:0000000000958517
FUNCTION
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
SELF-DIAG RESULTS MODE
Operation Procedure
1.
Before performing the self-diagnosis, start engine and drive vehicle at 30 km/h (19 MPH) or more for
approximately 1 minute.
How to Erase Self-diagnosis Results
1.
After erasing DTC memory, start engine and drive vehicle at 30 km/h (19 MPH) or more for approximately
1 minute as the final inspection, and make sure that the ABS warning lamp, VDC OFF indicator lamp,
SLIP indicator lamp and brake warning lamp turn OFF.
CAUTION:
If memory cannot be erased, perform applicably diagnosis.
NOTE:
• When the wheel sensor malfunctions, after inspecting the wheel sensor system, the ABS warning lamp,
VDC OFF indicator lamp, SLIP indicator lamp and brake warning lamp will not turn OFF even when the
system is normal unless the vehicle is driving at approximately 30 km/h (19 MPH) or more for approxi-
mately 1 minute.
• Brake warning lamp will turn ON in case of parking brake operation (when switch is ON) or of brake fluid
level switch operation (when brake fluid is insufficient).
• VDC OFF switch should not stay “ON” position.
Display Item List
DATA MONITOR MODE
Display Item List
×
: Applicable
❏
: Optional item
Diagnostic test mode
Function
Work support
This mode enables a technician to adjust some devices faster and more accurately by following
the indications on CONSULT-III.
Self-diagnostic results
Self-diagnostic results can be read and erased quickly.
Data monitor
Input/Output data in the ABS actuator and electric unit (control unit) can be read.
Active test
Diagnostic test mode is which CONSULT-III drives some actuators apart from the ABS actuator
and electric unit (control unit) and also shifts some parameters in a specified range.
ECU part number
ABS actuator and electric unit (control unit) part number can be read.
CAN diagnostic support monitor
The results of transmit/receive diagnosis of CAN communication can be read.
Monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT SIG-
NALS
MAIN SIGNLAS
FR LH SENSOR
[km/h (MPH)]
×
×
Wheel speed
FR RH SENSOR
[km/h (MPH)]
×
×
RR LH SENSOR
[km/h (MPH)]
×
×
RR RH SENSOR
[km/h (MPH)]
×
×
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
BRC-27
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
STOP LAMP SW
(ON/OFF)
×
×
Stop lamp switch signal status
BATTERY VOLT
(V)
×
×
Battery voltage supplied to the ABS actuator and electric
unit (control unit)
GEAR
×
×
Gear position determined by TCM
SLCT LVR POSI
×
×
A/T selector lever position
OFF SW
(ON/OFF)
×
×
VDC OFF switch
YAW RATE SEN
(d/s)
×
×
Yaw rate detected by yaw rate/side G sensor
4WD MODE MON
×
×
AWD activated (only AWD models)
ACCEL POS SIG
(%)
×
❏
Throttle actuator opening/closing is displayed (Linked with
accelerator pedal)
SIDE G-SENSOR
(m/s
2
)
×
❏
Transverse G detected by yaw rate/side G sensor
STR ANGLE SIG
(
°
)
×
❏
Steering angle detected by steering angle sensor
PRESS SENSOR
(bar)
×
❏
Brake fluid pressure detected by pressure sensor
ENGINE RPM
[tr/min (rpm)]
×
❏
Engine speed
FLUID LEV SW
(ON/OFF)
×
❏
Brake fluid level switch signal status
PARK BRAKE SW
(ON/OFF)
×
❏
Parking brake switch signal status
FR RH IN SOL
(ON/OFF)
❏
×
Operation status of each solenoid valve
FR RH OUT SOL
(ON/OFF)
❏
×
FR LH IN SOL
(ON/OFF)
❏
×
FR LH OUT SOL
(ON/OFF)
❏
×
RR RH IN SOL
(ON/OFF)
❏
×
RR RH OUT SOL
(ON/OFF)
❏
×
RR LH IN SOL
(ON/OFF)
❏
×
RR LH OUT SOL
(ON/OFF)
❏
×
MOTOR RELAY
(ON/OFF)
❏
×
Motor and motor relay operation
ACTUATOR RLY
(ON/OFF)
❏
×
Actuator relay operation
ABS WARN LAMP
(ON/OFF)
❏
×
ABS warning lamp
OFF LAMP
(ON/OFF)
❏
×
VDC OFF indicator lamp
Monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT SIG-
NALS
MAIN SIGNLAS
BRC-28
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
ACTIVE TEST MODE
CAUTION:
• Do not perform active test while driving vehicle.
• Make sure to completely bleed air from brake system.
• The active test cannot be performed with the ABS warning lamp, VDC OFF indicator lamp, SLIP indi-
cator lamp and brake warning lamp are on.
• ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp and brake warning lamp are on
during active test.
• Erase memory of ICC system after implementing active test.
NOTE:
• When active test is performed while depressing the pedal, the pedal depression amount will change. This is
normal. (Only solenoid valve and ABS motor.)
• “TEST IS STOPPED” is displayed 10 seconds after operation start.
SLIP LAMP
(ON/OFF)
❏
×
SLIP indicator lamp
BST OPER SIG
❏
❏
Not applied but displayed.
EBD SIGNAL
(ON/OFF)
❏
❏
EBD operation
ABS SIGNAL
(ON/OFF)
❏
❏
ABS operation
TCS SIGNAL
(ON/OFF)
❏
❏
TCS operation
VDC SIGNAL
(ON/OFF)
❏
❏
VDC operation
EBD FAIL SIG
(ON/OFF)
❏
❏
EBD fail-safe signal
ABS FAIL SIG
(ON/OFF)
❏
❏
ABS fail-safe signal
TCS FAIL SIG
(ON/OFF)
❏
❏
TCS fail-safe signal
VDC FAIL SIG
(ON/OFF)
❏
❏
VDC fail-safe signal
CRANKING SIG
(ON/OFF)
❏
❏
Crank operation
USV [FR-RL]
(ON/OFF)
❏
❏
VDC switch-over valve
USV [FL-RR]
(ON/OFF)
❏
❏
HSV [FR-RL]
(ON/OFF)
❏
❏
HSV [FL-RR]
(ON/OFF)
❏
❏
V/R OUTPUT
(ON/OFF)
❏
❏
Solenoid valve relay activated
M/R OUTPUT
(ON/OFF)
❏
❏
Actuator motor and motor relay activated
4WD FAIL REQ
(ON/OFF)
❏
❏
AWD control unit fail-safe signal (only AWD models)
SNOW MODE SW
(ON/OFF)
❏
❏
SNOW mode switch
M-MODE SIG
(ON/OFF)
❏
❏
Manual mode activated (only A/T models)
Monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT SIG-
NALS
MAIN SIGNLAS
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
BRC-29
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
• After “TEST IS STOPPED” is displayed, to perform test again, touch BACK and repeat step 3.
Test Item
SOLENOID VALVE
• When performing an active test of the ABS function, select the “MAIN SIGNALS” for each test item. In addi-
tion, when performing an active test of the VDC/TCS function, select the item menu for each test item.
• For ABS solenoid valve, touch “UP”, “KEEP”, and “DOWN” on the display screen. For ABS solenoid valve
(ACT), touch “UP”, “ACT UP”, “ACT KEEP” and confirm that solenoid valves (IN, OUT, USV, HSV) operate
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 malfunction because it is an oper-
ation for checking.
ABS MOTOR
• Touch “ON” and “OFF” on screen. Make sure motor relay and actuator relay operates as shown in table
below.
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.
Operation
(Note)
ABS solenoid valve
ABS solenoid valve (ACT)
UP
KEEP
DOWN
UP
ACT UP
ACT KEEP
FR RH IN SOL
OFF
ON
ON
OFF
OFF
OFF
FR RH OUT SOL
OFF
OFF
ON*
OFF
OFF
OFF
FR LH IN SOL
OFF
ON
ON
OFF
OFF
OFF
FR LH OUT SOL
OFF
OFF
ON*
OFF
OFF
OFF
RR RH IN SOL
OFF
ON
ON
OFF
OFF
OFF
RR RH OUT SOL
OFF
OFF
ON*
OFF
OFF
OFF
RR LH IN SOL
OFF
ON
ON
OFF
OFF
OFF
RR LH OUT SOL
OFF
OFF
ON*
OFF
OFF
OFF
USV [FR-RL]
OFF
OFF
OFF
OFF
ON
ON
USV [FL-RR]
OFF
OFF
OFF
OFF
ON
ON
HSV [FR-RL]
OFF
OFF
OFF
OFF
ON*
OFF
HSV [FL-RR]
OFF
OFF
OFF
OFF
ON*
OFF
Operation
ON
OFF
MOTOR RELAY
ON
OFF
ACTUATOR RLY (Note)
ON
ON
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