Infiniti G37 Coupe. Manual — part 260
BRC-14
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
TCS
TCS
System Diagram
INFOID:0000000001645292
System Description
INFOID:0000000001635028
• Traction Control System is a function that electronically controls engine torque, brake fluid pressure and A/T
gear position to ensure the optimum slippage ratio at drive wheels by computing wheel speed signals from 4
wheel sensors. When ABS actuator and electric unit (control unit) detects a spin at drive wheels (rear
wheels), it compares wheel speed signals from all 4 wheels. At this time, LH and RH rear brake fluid pres-
sure are controlled, while fuel being cut to engine and throttle valve being closed to reduce engine torque by
the control unit. Further more, throttle position is continuously controlled to ensure the optimum engine
torque at all times.
• During TCS operation, it informs driver of system operation by flashing SLIP indicator lamp.
• Electrical system diagnosis by CONSULT-III is available.
JSFIA0124GB
TCS
BRC-15
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Component Parts Location
INFOID:0000000001645293
For USA
JSFIA0125ZZ
1.
Steering angle sensor
2.
ABS warning lamp
3.
Brake warning lamp
4.
VDC OFF indicator lamp
5.
SLIP indicator lamp
6.
ABS actuator and electric unit (con-
trol unit)
BRC-16
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
TCS
For Canada
7.
Front wheel sensor
8.
Yaw rate/side G sensor
9.
VDC OFF switch
10. Rear wheel sensor
A.
Back of spiral cable assembly
B.
Combination meter
C.
Inside brake master cylinder cover
D.
Steering knuckle
E.
Under center console
F.
Instrument driver lower panel
G.
Rear final drive assembly
JSFIA0126ZZ
TCS
BRC-17
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Component Description
INFOID:0000000001645294
1.
Steering angle sensor
2.
ABS warning lamp
3.
Brake warning lamp
4.
VDC OFF indicator lamp
5.
SLIP indicator lamp
6.
ABS actuator and electric unit (con-
trol unit)
7.
Front wheel sensor
8.
Yaw rate/side G sensor
9.
VDC OFF switch
10. Rear wheel sensor
A.
Back of spiral cable assembly
B.
Combination meter
C.
Inside brake master cylinder cover
D.
Steering knuckle
E.
Under center console
F.
Instrument driver lower panel
G.
Rear final drive assembly
Component parts
Reference
ABS actuator and electric unit (control unit)
Pump
Motor
Actuator relay (Main relay)
Solenoid valve
Pressure sensor
VDC switch-over valve
(USV1, USV2, HSV1, HSV2)
Wheel sensor
Yaw rate/side G sensor
Steering angle sensor
VDC OFF switch
ABS warning lamp
Brake warning lamp
VDC OFF indicator lamp
SLIP indicator lamp
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