2004 INFINITI FX35 display

TROUBLE DIAGNOSIS
BRC-41
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: 2004 November 2004 FX35/FX45
2. CHECK 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 Re-perform ABS actuator and electric unit (control unit) self-diagnosis.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 3.
3. CHECK PRESSURE SENSOR HARNESS
1. Turn ignition switch OFF and disconnect pressure sensor con-
nector and ABS actuator and electric unit (control unit) connec-
tor.
2. Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 and pressure sensor harness con-
nector E53.
OK or NG
OK >> GO TO 4.
NG >> If the open or short in harness, repair or replace harness.
4. PRESSURE SENSOR INSPECTION
1. Connect pressure sensor connector and ABS actuator and electric unit (control unit) connector.
2. Use CONSULT-II “Data Monitor” to check pressure sensor value.
OK or NG
OK >> INSPECTION END
NG >> Pressure sensor is damaged or malfunctioning, replace pressure sensor.
SFIA1188E
ABS actuator and electric
unit (control unit)
(Harness connector E56)Pressure sensor
(Harness connector E53)Continuity
19 (L) 1 (L) Yes
20 (Y) 2 (Y) Yes
18 (W) 3 (W) Yes
Condition Data monitor display
When brake pedal is depressed. Positive value
When brake pedal is released. Approx. 0 bar

BRC-42
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
Inspection 5: Steering Angle Sensor SystemAFS001SX
DTC C1143
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 actuator 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.
2. Reconnect connectors and Re-perform a ABS actuator and electric unit (control unit) self-diagnosis.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 3.
Self-diagnosis results
ST ANG SEN CIRCUIT

BRC-44
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
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 >> Re-perform ABS actuator and electric unit (control unit) self-diagnosis.
NG >> Replace steering angle sensor and adjust neutral position of steering angle sensor. Refer to BRC-
6, "Adjustment of Steering Angle Sensor Neutral Position" .
Inspection 6: Yaw Rate/Side G-Sensor (2WD model), Yaw Rate/Side/Decel G-
sensor (AWD models) System
AFS001SY
DTC C1145, C1146, C1113
CAUTION:
Sudden turns (such as spin turns, acceleration turns), drifting, etc. May cause the G-sensor system
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 system. 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 re-perform a ABS actuator and electric unit (control unit) self-diagnosis.
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 model)

BRC-46
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
Inspection 7: Solenoid and VDC Change-Over Valve SystemAFS001SZ
DTC C1120-C1127, C1164-C1167
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK CONNECTOR
1. Disconnect ABS actuator and electric unit (control unit) connector check terminals for deformation, dis-
connection, looseness, and so on. If any malfunction is found, repair or replace terminal.
2. Securely reconnect connector and perform self-diagnosis.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 3.
Self-diagnostic results
FR LH IN ABS SOL
FR LH OUT ABS SOL
RR RH IN ABS SOL
RR RH OUT ABS SOL
FR RH IN ABS SOL
FR RH OUT ABS SOL
RR LH IN ABS SOL
RR LH OUT ABS SOL
CV 1
CV 2
SV 1
SV 2

TROUBLE DIAGNOSIS
BRC-47
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: 2004 November 2004 FX35/FX45
3. CHECKING SOLENOID POWER AND GROUND
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check voltage between ABS actuator and electric unit (control
unit) harness connector E56 and ground.
3. Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 and ground.
OK or NG
OK >> Perform self-diagnosis again. If the same results
appear, replace ABS actuator and electric unit (control
unit). Refer to BRC-60, "
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)" .
NG >> Repair or replace harness or connectors.
Inspection 8: Actuator Motor SystemAFS001T0
DTC C1111, C1140
Inspection Procedure
1. CHECK SELF-DIAGNOSIS RESULTS (1)
Check the self-diagnostic results.
Is the above displayed in the self-diagnostic display items?
YES >> GO TO 2.
NO >> Inspection is completed.
2. CHECK SELF-DIAGNOSIS RESULTS (2)
1. Disconnect ABS actuator and electric unit (control 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.ABS actuator and electric
unit (control unit)
(Harness connector E56)GroundVo l ta g e ( V )
(Approx.)
32 (R) — 12 V
SFIA1196E
ABS actuator and electric
unit (control unit)
(Harness connector E56)Ground Continuity
16 (B) — Yes
47 (B) — Yes
SFIA1197E
Self-diagnostic results
PUMP MOTOR
ACTUATOR RLY

BRC-48
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
3. CHECK ABS MOTOR AND MOTOR RELAY POWER SYSTEM
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check voltage between ABS actuator and electric unit (control
unit) harness connector E56 and ground.
3. Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 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-60, "
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)" .
NG >> Repair harness or connectors.
Inspection 9: ABS Actuator and Electric Unit (Control Unit) Power Supply and
Ground System
AFS001T1
DTC C1109
Inspection Procedure
1. CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
Does
“BATTERY VOLTAGE” appear in self-diagnostic results display?
YES >> GO TO 2.
NO >> INSPECTION END
2. STARTING INSPECTION
1. Disconnect ABS actuator and electric unit (control 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.ABS actuator and electric
unit (control unit)
(Harness connector E56)GroundVoltage (V)
(Approx.)
1 (Y)
32 (R)—12 V
SFIA1198E
ABS actuator and electric
unit (control unit)
(Harness connector E56)Ground Continuity
16 (B) — Yes
47 (B) — Yes
SFIA1197E
Self-diagnostic results
BATTERY VOLTAGE

BRC-50
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
Inspection 10: Stop Lamp Switch SystemAFS001T2
DTC C1116
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Check the 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 stop lamp switch connector and ABS actuator and electric unit (control unit) connector E56
and check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found,
repair or replace terminal.
2. Securely reconnect connectors.
3. perform self-diagnosis again.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 3.
3. CHECK STOP LAMP SWITCH CIRCUIT
1. Turn ignition switch OFF and disconnect stop lamp switch con-
nector and ABS actuator and electric unit (control unit) connec-
tor.
2. Check continuity between stop lamp switch harness connector
E210 and ABS actuator and electric unit (control unit) harness
connector E56.
OK or NG
OK >> Connect connectors and conduct a ABS actuator and electric unit (control unit) self-diagnosis.
NG >> Open or short in harness between stop lamp switch and ABS actuator and electric unit (control
unit). Repair or replace applied harness.
Self-diagnostic results
STOP LAMP SW
SFIA1436E
ABS actuator and electric unit
(control unit) (Harness connector E56)Stop lamp switch
(Harness connector E210) Continuity
41 (P) 2 (P) Yes

TROUBLE DIAGNOSIS
BRC-51
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: 2004 November 2004 FX35/FX45
Inspection 11: Brake Fluid Level Switch SystemAFS001T4
DTC C1155
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-diagnosis 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, looseness, and so on. If any malfunction is found,
repair or replace terminal.
2. Securely reconnect connectors and Re-perform self-diagnosis.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 3.
3. CHECK HARNESS BETWEEN BRAKE FLUID LEVEL SWITCH AND ABS ACTUATOR AND ELEC-
TRIC UNIT (CONTROL UNIT)
1. Turn ignition switch OFF and disconnect brake fluid level switch
connector and ABS actuator and electric unit (control unit) con-
nector.
2. Check continuity between brake fluid level switch harness con-
nector E52 and ABS actuator and electric unit (control unit) har-
ness connector E56.
OK or NG
OK >> Connect connectors and perform a ABS actuator and electric unit (control unit) self-diagnosis.
NG >> If open or short in harness, repair or replace applied harness.
Self-diagnostic results
BR FLUID LEVEL LOW
SFIA1193E
ABS actuator and electric unit
(control unit)
(Harness connector E56)Brake fluid level switch
(Harness connector E52)Continuity
8 (GY) 1 (GY) Yes
8 (GY) Ground No
Ground 2 (B) Yes