2008 INFINITI FX35 sensor

TROUBLE DIAGNOSIS FOR SYSTEMBRC-35
< SERVICE INFORMATION > [VDC/TCS/ABS]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
1. Turn ignition switch OFF and disconnect malfunctioning wheel sensor connector E46 (FR-LH), E33 (FR-RH) or B69 (RR) and
ABS actuator and electric unit (control unit) connector E56.
2. Check continuity between terminals. (Also check the continuity when steering wheel is turned right and left and when sensor
harness inside wheel well is moved.)
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness and connector that have malfunction.
6.CHECK WHEEL SENSOR POWER SUPPLY CIRCUIT
1. Disconnect malfunctioning wheel sensor connector.
2. Turn ignition switch ON and check voltage between wheel sen- sor harness connector power supply terminal and ground.
OK or NG?
OK >> Replace wheel sensor.
NG >> Replace ABS actuator and electric unit (control unit).
DTC C1102 RR LH SENSOR-1INFOID:0000000001569691
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
DTC C1103 FR RH SENSOR-1INFOID:0000000001569692
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
DTC C1104 FR LH SENSOR-1INFOID:0000000001569693
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
SFIA1186E
Power supply circuit Signal circuit Ground circuit
Wheel ABS actuator
and electric unit (control unit) Wheel sensor ABS actuator
and electric unit (control unit) Wheel sensorABS actuator and elec-
tric unit (control unit) (signal) ABS actuator and elec-
tric unit (control unit) (ground)
Front RH 34 1 33 2 33, 34
16, 47
Front LH 45 1 46 2 45, 46
Rear RH 43 1 42 2 43, 42
Rear LH 36 3 37 4 36, 37
Power supply circuit : Continuity should exist.
Signal circuit : Continuity should exist.
Ground circuit : Continuity should not exist.
Wheel Wheel sensor Ground Voltage
Front RH 1
—8 V or more
Front LH 1
Rear RH 1
Rear LH 3
SFIA3364E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BRC-36
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1105 RR RH SENSOR-2
INFOID:0000000001569694
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
DTC C1106 RR LH SENSOR-2INFOID:0000000001569695
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
DTC C1107 FR RH SENSOR-2INFOID:0000000001569696
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
DTC C1108 FR LH SENSOR-2INFOID:0000000001569697
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
DTC C1109 BATTERY VOLTAGE [ABNORMAL]INFOID:0000000001327685
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS (1)
Check the self-diagnostic results.
Does
“BATTERY VOLTAGE” appear in self-diagnostic results display?
YES >> GO TO 2.
NO >> INSPECTION END
2.CHECK SELF-DIAGNOSTIC RESULTS (2)
1. Disconnect ABS actuator and electric unit (contro l unit) connector. Then reconnect it securely.
2. Perform self-diagnosis.
Do any self-diagnosis item appear?
YES >> GO TO 3.
NO >> Poor connection. Repair or replace connector.
3.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT (1)
1. Disconnect ABS actuator and electric unit (control unit) connector E56.
2. Turn ignition switch OFF. Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
3. Turn ignition switch ON (but do not start engine). Check voltage between ABS actuator and electr ic unit (control unit) harness
connector and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Self-diagnostic results
BATTERY VOLTAGE [ABNORMAL]
ABS actuator and electric unit (control unit) Ground Voltage
32 — Battery voltage
(Approx. 12 V)
ABS actuator and electric unit (control unit) Ground Voltage 4— Battery voltage
(Approx. 12 V)
SFIA1200E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BRC-38
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
1. Disconnect ABS actuator and electric unit (contro
l unit) connector. Then reconnect it securely.
2. Perform self-diagnosis again.
Do any self-diagnosis item appear?
YES >> GO TO 3.
NO >> Poor connection. Repair or replace the applicable connector.
3.CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF and disconnect ABS actuat or and electric unit (control unit) connector E56.
2. Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
3. Check continuity between ABS ac tuator and electric unit (control
unit) harness connector and ground.
OK or NG
OK >> Perform self-diagnosis again. If the same result appears, replace ABS actuator and electric unit (control
unit). Refer to BRC-54
.
NG >> Repair harness or connectors.
DTC C1113 G-SENSORINFOID:0000000001327682
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 malf unction, 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 wh en on a moving object with engine
running, VDC OFF indicator lamp might turn on and self-diagnosis using CONSULT-III the yaw rate
sensor system might be displayed, but in this case ther e 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
ABS actuator and electric unit (control unit) Ground Voltage
1, 32 — Battery voltage
(Approx. 12 V)
SFIA1198E
ABS actuator and electric unit (control unit) Ground Continuity
16, 47 — Yes
SFIA1197E
Self-diagnostic resultsYAW RATE SENSOR
SIDE G-SEN CIRCUIT
G-SENSOR (AWD models)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYSTEMBRC-39
< SERVICE INFORMATION > [VDC/TCS/ABS]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
1. Disconnect G sensor connector and ABS actuator and el ectric 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.
3.CHECK G SENSOR HARNESS
1. Turn ignition switch OFF and disconnect G sensor connector M79 (2WD models) or M71 (A WD models) and ABS actuator
and electric unit (control unit) connector E56.
2. Check continuity between ABS ac tuator and electric unit (control
unit) harness connector and G sensor harness connector.
OK or NG
OK >> GO TO 4.
NG >> If the open or short in harness, repair or replace harness.
4.CHECK G SENSOR
1. Connect G sensor connector and ABS actuator and electric unit (control unit) connector.
2. Use CONSULT-III “DATA MONITOR” to check if G sensor are normal.
OK or NG
OK >> Perform ABS actuator and electric unit (control unit) self-diagnosis again.
NG >> Replace malfunctioning G sensor, and then perform self-diagnosis for ABS actuator and electric
unit (control unit) again.
DTC C1115 ABS SENSOR [ABNORMAL SIGNAL]INFOID:0000000001569698
Refer to BRC-34, "DTC C1101 RR RH SENSOR-1".
DTC C1116 STOP LAMP SWINFOID:0000000001327686
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
Is the above displayed in the self-diagnosis display item?
ABS actuator and electric unit (c ontrol unit) G sensor Continuity
63
Ye s
24 5
25 1
29 2
SFIA1192E
Vehicle status
Yaw rate sensor
(Data monitor standard) Side G sensor
(Data monitor standard) Decel G sensor (AWD models)
(Data monitor standard)
When stopped − 4 to + 4 deg/s
− 1.1 to + 1.1 m/s
2− 0 . 11 t o + 0 . 11 G
Right turn Negative value Negative value —
Left turn Positive value Positive value —
Speed up — — Negative value
Speed down — — Positive value
Self-diagnostic results STOP LAMP SW
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BRC-44
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
5.CHECK PRESSURE SENSOR CONNECTOR
1. Disconnect pressure sensor connector and ABS actuator and electric unit (control unit) connector, check
terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
2. Reconnect connectors and perform AB S 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 6.
6.CHECK PRESSURE SENSOR HARNESS
1. Turn ignition switch OFF and disconnect pressure sensor con- nector E53 and ABS actuator and electric unit (control unit) con-
nector E56.
2. Check continuity between ABS ac tuator and electric unit (control
unit) harness connector and pressure sensor harness connec-
tor.
OK or NG
OK >> GO TO 7.
NG >> If the open or short in harness, repair or replace harness.
7.CHECK PRESSURE SENSOR
1. Connect pressure sensor connector and ABS act uator and electric unit (control unit) connector.
2. Perform “DATA MONITOR” of the “PRESS SE NSOR” to check if the status is normal.
OK or NG
OK >> INSPECTION END
NG >> Pressure sensor is damaged or malfunctioning, replace pressure sensor.
DTC C1143 ST ANG SEN CIRCUITINFOID:0000000001327681
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
Is the above displayed in the self-diagnosis item?
YES >> GO TO 2.
NO >> INSPECTION END
2.CHECK CONNECTOR
1. Disconnect steering angle sensor connector and ABS ac tuator and electric unit (control unit) connector
and check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found,
repair or replace terminal.
ABS actuator and electric unit (control unit) Pressure sensor Continuity
19 1 Ye s
20 2
18 3
SFIA1188E
Condition Data monitor display
When brake pedal is depressed. 0 to 170 bar
When brake pedal is released. Approx. 0 bar
Self-diagnostic results
ST ANG SEN CIRCUIT
ST ANG SEN COM CIR
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYSTEMBRC-45
< SERVICE INFORMATION > [VDC/TCS/ABS]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
2. Reconnect connectors and perform an 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.
3.CHECK STEERING ANGLE SENSOR HARNESS
1. Check CAN communication circuit. Refer to BRC-48, "
DTC U1000 CAN COMM CIRCUIT".
2. Turn ignition switch OFF and disconnec t steering angle sensor connector M14.
3. Check continuity between steering angle sensor harness con- nector and ground.
4. Check voltage between steering angle sensor harness connec- tor and ground.
OK or NG
OK >> GO TO 4.
NG >> If the open or short in harness, repair or replace har- ness.
4.CHECK STEERING WHEEL PLAY
Check steering wheel play. Refer to PS-9, "
On-Vehicle Inspection and Service".
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 ANGL E 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 neutra l position of steering angle sensor. Refer to BRC-
8, "Adjustment of Steering Angle Sensor Neutral Position".
DTC C1144 ST ANG SEN SIGNALINFOID:0000000001327688
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS (1)
Check self-diagnostic results.
Steering angle sensor Ground Continuity
2—Yes
SFIA1189E
Steering angle sensor Ground Voltage
3— Battery voltage
(Approx. 12 V)
SFIA1190E
Steering condition Data monitor display
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
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BRC-46
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Does anything besides “ST ANG SEN SIGNAL” appear on self-diagnostic results display?
YES >> Inspect and repair the indicated
items. Then perform self-diagnosis again.
NO >> Perform adjustment of steering angle sensor neutral position. Then GO TO 2.
2.CHECK SELF DIAGNOSIS RESULTS (2)
Turn ignition switch OFF and ON to erase self-diagnos tic results, and perform ABS actuator and electric unit
(control unit) self-diagnosis again.
Does anything appear on self-diagnostic results display?
YES >> Replace steering angle sensor. Then perform adj ustment of neutral position and perform self-
diagnosis again.
NO >> INSPECTION END
DTC C1145 YAW RATE SENSORINFOID:0000000001569717
Refer to BRC-38, "DTC C1113 G-SENSOR".
DTC C1146 SIDE G-SEN CIRCUITINFOID:0000000001569718
Refer to BRC-38, "DTC C1113 G-SENSOR".
DTC C1155 BR FLUID LEVEL LOWINFOID:0000000001327687
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
1. Check fluid level in brake fluid reservoir tank. If the level is low, add brake fluid.
2. Clear the stored self-diagnostic results and check self-diagnostic results.
Is the above displayed in the self-diagnosis display item?
YES >> GO TO 2.
NO >> INSPECTION END
2.CHECK CONNECTOR
1. Disconnect brake fluid level switch connector and ABS actuator and electric unit (control unit) connector
and check terminal for deformation, disconnection, l ooseness, and so on. If any malfunction is found,
repair or replace terminal.
2. Securely reconnect connectors and perform self-diagnosis again.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 3.
3.CHECK HARNESS BETWEEN BRAKE FLUID LEVE L SWITCH AND ABS ACTUATOR AND ELECTRIC
UNIT (CONTROL UNIT)
Self-diagnostic results
ST ANG SEN SIGNAL
Self-diagnostic results
BR FLUID LEVEL LOW
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TROUBLE DIAGNOSIS FOR SYSTEMBRC-47
< SERVICE INFORMATION > [VDC/TCS/ABS]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
1. Turn ignition switch OFF and disconnect brake fluid level switch connector E52 and ABS actuator and electric unit (control unit)
connector E56.
2. Check continuity between brake fluid level switch harness con- nector and ABS actuator and electric unit (control unit) harness
connector.
OK or NG
OK >> Connect connectors and perform an ABS actuator and electric unit (control unit) self-diagnosis.
NG >> If open or short in harness, repair or replace applied harness.
DTC C1156 ST ANG SEN COM CIRINFOID:0000000001569719
Refer to BRC-48, "DTC U1000 CAN COMM CIRCUIT".
DTC C1160 DECEL G SEN SETINFOID:0000000001327689
INSPECTION PROCEDURE
1.CHECK SELF- DIAGNOSTIC RESULTS (1)
Check self-diagnostic results.
Does anything besides
“DECEL G SEN SET” appear on self-diagnostic results display?
YES >> Inspect and repair the indicated it ems. Then perform self-diagnosis again.
NO >> Perform calibration of decel G sensor. Then GO TO 2.
2.CHECK SELF-DIAGNOSIS RESULTS (2)
Turn ignition switch OFF and ON to erase self-diagnosti c results, and perform ABS actuator and electric unit
(control unit) self-diagnosis again.
Does anything appear on self-diagnostic results display?
YES >> Replace yaw rate/side/decel G sensor. Then perform calibration of decel G sensor and perform
self-diagnosis again.
NO >> INSPECTION END
DTC C1164 CV 1INFOID:0000000001569724
Refer to BRC-40, "DTC C1120 FR LH IN ABS SOL".
DTC C1165 CV 2INFOID:0000000001569725
Refer to BRC-40, "DTC C1120 FR LH IN ABS SOL".
DTC C1166 SV 1INFOID:0000000001569726
Refer to BRC-40, "DTC C1120 FR LH IN ABS SOL".
DTC C1167 SV 2INFOID:0000000001569727
Refer to BRC-40, "DTC C1120 FR LH IN ABS SOL".
ABS actuator and electric unit
(control unit) Brake fluid level switch Continuity
81Yes
8GroundNo
Ground 2 Yes
SFIA1193E
Self-diagnostic results DECEL G SEN SET
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C