Infiniti G37 Coupe. Manual — part 276
BRC-78
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
SLIP INDICATOR LAMP
SLIP INDICATOR LAMP
Description
INFOID:0000000001635141
×
: ON –: OFF
Component Function Check
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1.
CHECK SLIP INDICATOR 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
Diagnosis Procedure
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1.
CHECK SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis.
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
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
NO
>> Repair or replace combination meter.
Condition
SLIP indicator lamp
Ignition switch OFF
–
For 1 second after turning ignition switch ON
×
1 second later after turning ignition switch ON
–
VDC/TCS function is malfunctioning.
×
ABS function is malfunctioning.
×
EBD function is malfunctioning.
×
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-79
< ECU DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
ECU DIAGNOSIS
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Reference Value
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VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the
event the output circuit (harness) is open or short-circuited.
CONSULT-III MONITOR ITEM
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
FR LH SENSOR
Wheel speed
Vehicle stopped
0 [km/h (MPH)]
Vehicle running
(Note 1)
Nearly matches the
speed meter display
(
±
10 % or less)
FR RH SENSOR
Wheel speed
Vehicle stopped
0 [km/h (MPH)]
Vehicle running
(Note 1)
Nearly matches the
speed meter display
(
±
10 % or less)
RR LH SENSOR
Wheel speed
Vehicle stopped
0 [km/h (MPH)]
Vehicle running
(Note 1)
Nearly matches the
speed meter display
(
±
10 % or less)
RR RH SENSOR
Wheel speed
Vehicle stopped
0 [km/h (MPH)]
Vehicle running
(Note 1)
Nearly matches the
speed meter display
(
±
10 % or less)
STOP LAMP SW
Stop lamp switch signal status
When brake pedal is depressed
On
When brake pedal is not depressed
Off
BATTERY VOLT
Battery voltage supplied to the ABS actuator
and electric unit (control unit)
Ignition switch ON
10 – 16 V
SLCT LVR POSI
A/T selector lever position
P position
R position
N position
D position
P
R
N
D
OFF SW
VDC OFF switch ON/OFF
VDC OFF switch ON
(When VDC OFF indicator lamp is ON)
On
VDC OFF switch OFF
(When VDC OFF indicator lamp is OFF)
Off
YAW RATE SEN
Yaw rate detected by yaw rate/side G sensor
Vehicle stopped
Approx. 0 d/s
Turning right
Negative value
Turning left
Positive value
ACCEL POS SIG
Throttle actuator opening/closing is dis-
played (linked with accelerator pedal)
Accelerator pedal not depressed (ignition
switch is ON)
0 %
Depress accelerator pedal (ignition
switch is ON)
0 - 100 %
BRC-80
< ECU DIAGNOSIS >
[VDC/TCS/ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
SIDE G-SENSOR
Transverse G detected by side G sensor
Vehicle stopped
Approx. 0 m/s
2
Turning right
Negative value
(m/s
2
)
Turning left
Positive value
(m/s
2
)
STR ANGLE SIG
Steering angle detected by steering angle
sensor
Straight-ahead
±
2.5
°
Turn 90
°
to right
Approx. +90
°
Turn 90
°
to left
Approx.
−
90
°
PRESS SENSOR
Brake fluid pressure detected by pressure
sensor
With ignition switch turned ON and brake
pedal released
Approx. 0 bar
With ignition switch turned ON and brake
pedal depressed
–40 to 300 bar
ENGINE RPM
With engine running
With engine stopped
0 [tr/min (rpm)]
Engine running
Almost in accor-
dance with tachome-
ter display
FLUID LEV SW
Brake fluid level switch signal status
When brake fluid level switch ON
On
When brake fluid level switch OFF
Off
PARK BRAKE SW
Parking brake switch signal status
Parking brake switch is active
On
Parking brake switch is inactive
Off
FR RH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
FR RH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
FR LH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
FR LH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR RH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-81
< ECU DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
RR RH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR LH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR LH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
MOTOR RELAY
Motor and motor relay operation
When the motor relay and motor are op-
erating
On
When the motor relay and motor are not
operating
Off
ACTUATOR RLY
(Note 2)
Actuator relay operation
When the actuator relay is operating
On
When the actuator relay is not operating
Off
ABS WARN LAMP
ABS warning lamp
(Note 3)
When ABS warning lamp is ON
On
When ABS warning lamp is OFF
Off
OFF LAMP
VDC OFF indicator lamp
(Note 3)
When VDC OFF indicator lamp is ON
On
When VDC OFF indicator lamp is OFF
Off
SLIP LAMP
SLIP indicator lamp
(Note 3)
When SLIP indicator lamp is ON
On
When SLIP indicator lamp is OFF
Off
BST OPER SIG
Not applied but displayed
—
Off
EBD SIGNAL
EBD operation
EBD is active
On
EBD is inactive
Off
ABS SIGNAL
ABS operation
ABS is active
On
ABS is inactive
Off
TCS SIGNAL
TCS operation
TCS is active
On
TCS is inactive
Off
VDC SIGNAL
VDC operation
VDC is active
On
VDC is inactive
Off
EBD FAIL SIG
EBD fail-safe signal
In EBD fail-safe
On
EBD is normal
Off
ABS FAIL SIG
ABS fail-safe signal
In ABS fail-safe
On
ABS is normal
Off
TCS FAIL SIG
TCS fail-safe signal
In TCS fail-safe
On
TCS is normal
Off
VDC FAIL SIG
VDC fail-safe signal
In VDC fail-safe
On
VDC is normal
Off
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
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