2006 INFINITI FX35 Service Manual

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Page 1169 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-37
[VDC/TCS/ABS]
C
D E
G H
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K L
M A
B
BRC
Revision: 2006 December 2006 FX35/FX45
5. CHECK WHEEL SENSOR HARNESS
1. Turn ignition switch OFF and disconne

Page 1170 of 4462

INFINITI FX35 2006 Service Manual BRC-38
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
Engine SystemNFS000NK
DTC C1130-C1133, C1136
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Check the s

Page 1171 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-39
[VDC/TCS/ABS]
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M A
B
BRC
Revision: 2006 December 2006 FX35/FX45
Pressure Sensor CircuitNFS000NM
DTC C1142
INSPECTION PROCEDURE
1. CHECK

Page 1172 of 4462

INFINITI FX35 2006 Service Manual BRC-40
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
Steering Angle Sensor CircuitNFS000NN
DTC C1143, C1156
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
C

Page 1173 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-41
[VDC/TCS/ABS]
C
D E
G H
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K L
M A
B
BRC
Revision: 2006 December 2006 FX35/FX45
4. CHECK STEERING WHEEL PLAY
Check steering wheel play. Refer to PS-

TROUBLE DIAGNOSIS FOR SYSTEM BRC-41
[VDC/TCS/ABS]
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D E
G H
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K L
M A
B
BRC
Revision: 2006 December 2006 FX35/FX45
4. CHECK STEERING WHEEL PLAY
Check steering wheel play. Refer to PS-10, "
CHECKING STEERING WHEEL PLAY" .
OK or NG
OK >> GO TO 5
NG >> Adjust steering wheel play.
5. PERFORM DATA MONITOR
1. Connect steering angle sensor and ABS actuator and electric unit (control unit) connectors.
2. Perform “DATA MONITOR” of the “STEERING ANGLE SIGNAL” to check if the status is normal.
OK or NG
OK >> Perform ABS actuator and electric unit (control unit) self-diagnosis again.
NG >> Replace steering angle sensor and adjust neutral position of steering angle sensor. Refer to BRC-
6, "Adjustment of Steering Angle Sensor Neutral Position" .
Yaw Rate/Side G Sensor (2WD Models), Yaw Rate/Side/Decel G Sensor (AWD
Models) Circuit
NFS000NO
DTC C1113, C1145, C1146
CAUTION:
Sudden turns (such as spin turns, acceleration turns), drifting, etc. may cause the G sensor circuit
indicate a malfunction. However, this is not a malfunction, if normal operation can be resumed after
restarting engine.
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
CAUTION:
When on a turntable, such as at a parking structure entrance, or when on a moving object with engine
running, VDC OFF indicator lamp might turn on and self-diagnosis using CONSULT-II the yaw rate sen-
sor system might be displayed, but in this case there is no malfunction in yaw rate sensor circuit. As
soon as vehicle leaves turntable or moving object, restart engine to return the system to normal.
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK CONNECTOR
1. Disconnect G sensor connector and ABS actuator and electric unit (control unit) connector and check ter- minals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace
terminal.
2. Reconnect connectors and perform a ABS actuator and electric unit (control unit) self-diagnosis again.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 3.
Steering condition Data monitor
Straight-ahead -3.5 deg - +3.5 deg
Turn wheel to the right by 90 °. Approx. -90 deg
Turn wheel to the left by 90 °. Approx. +90 deg
Self-diagnostic results
YAW RATE SENSOR
SIDE G-SEN CIRCUIT
G-SENSOR (AWD models)

Page 1174 of 4462

INFINITI FX35 2006 Service Manual BRC-42
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK G SENSOR HARNESS
1. Turn ignition switch OFF and disconnect G sensor connector M79 (2WD models) or M

Page 1175 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-43
[VDC/TCS/ABS]
C
D E
G H
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K L
M A
B
BRC
Revision: 2006 December 2006 FX35/FX45
Solenoid and VDC Change-Over Valve CircuitNFS000NP
DTC C1120-C1127, C11

Page 1176 of 4462

INFINITI FX35 2006 Service Manual BRC-44
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK SOLENOID POWER AND GROUND CIRCUIT
1. Turn ignition switch OFF and disconnect ABS actuator and electri

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