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3. CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn igniti INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-45
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3. CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn igniti](/manual-img/42/57019/w960_57019-1176.png)
TROUBLE DIAGNOSIS FOR SYSTEM BRC-45
[VDC/TCS/ABS]
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3. CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF and disconnect ABS actuator 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 actuator 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-58, "
ACTUATOR AND ELECTRIC
UNIT (ASSEMBLY)" .
NG >> Repair harness or connectors.
ABS Actuator and Electric Unit (Control Unit) Power Supply and Ground CircuitNFS000NR
DTC C1109
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 (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) 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 results
BATTERY VOLTAGE [ABNORMAL]
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![INFINITI FX35 2006 Service Manual BRC-46
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT (1)
1. Disconnect ABS actuator and INFINITI FX35 2006 Service Manual BRC-46
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT (1)
1. Disconnect ABS actuator and](/manual-img/42/57019/w960_57019-1177.png)
BRC-46
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
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 electric 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
Check ABS actuator and electric unit (control unit) ground circuit.
OK or NG
OK >> Perform ABS actuator and electric unit (control unit) self- diagnosis again.
NG >> Repair or replace harness or connectors.
5. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT (2)
1. Check fuse 10 A (terminal 4) and 30 A (terminal 32).
2. Turn ignition switch OFF and check continuity between battery positive terminal and ABS actuator and electric unit (control unit)
harness connector E56.
OK or NG
OK >> Check for non-standard conditions in battery (terminal looseness, low voltage, etc.) and alternator.
NG >>
Replace fuse 10 A or 30 A.
Open or short in harness.
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
ABS actuator and electric unit (control unit) Ground Continuity
16 — Yes
SFIA1434E
ABS actuator and electric unit (control unit) Battery positive terminal Continuity
4, 32 — Yes
SFIA1435E
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![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-47
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Stop Lamp Switch CircuitNFS000NS
DTC C1116
INSPECTION PROCEDURE
1. CHEC INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-47
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Stop Lamp Switch CircuitNFS000NS
DTC C1116
INSPECTION PROCEDURE
1. CHEC](/manual-img/42/57019/w960_57019-1178.png)
TROUBLE DIAGNOSIS FOR SYSTEM BRC-47
[VDC/TCS/ABS]
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Stop Lamp Switch CircuitNFS000NS
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 E210 and ABS actuator and electric unit (control unit)
connector E56.
2. Check continuity between stop lamp switch harness connector and ABS actuator and electric unit (control unit) harness con-
nector.
OK or NG
OK >> Connect connectors and perform an 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
ABS actuator and electric unit (control unit) Stop lamp switch Continuity 41 2 Yes
SFIA1436E
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![INFINITI FX35 2006 Service Manual BRC-48
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
Brake Fluid Level Switch CircuitNFS000NT
DTC C1155
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
1. Ch INFINITI FX35 2006 Service Manual BRC-48
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
Brake Fluid Level Switch CircuitNFS000NT
DTC C1155
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
1. Ch](/manual-img/42/57019/w960_57019-1179.png)
BRC-48
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
Brake Fluid Level Switch CircuitNFS000NT
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-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, looseness, 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 LEVEL SWITCH AND ABS ACTUATOR AND ELEC-
TRIC UNIT (CONTROL UNIT)
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.
Self-diagnostic results
BR FLUID LEVEL LOW
SFIA1193E
ABS actuator and electric unit (control unit) Brake fluid level switch Continuity 81Yes
8GroundNo
Ground 2 Yes
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![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-49
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When “ST ANG SEN SIGNAL” Appears on Self-diagnosis Results DisplayN INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM BRC-49
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When “ST ANG SEN SIGNAL” Appears on Self-diagnosis Results DisplayN](/manual-img/42/57019/w960_57019-1180.png)
TROUBLE DIAGNOSIS FOR SYSTEM BRC-49
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When “ST ANG SEN SIGNAL” Appears on Self-diagnosis Results DisplayNFS000NU
DTC C1144
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS (1)
Check self-diagnostic results.
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-diagnostic 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 adjustment of neutral position and perform self- diagnosis again.
NO >> INSPECTION END
When “DECEL G SEN SET” Appears on Self-diagnostic Results Display (AWD
Models)
NFS000NV
DTC C1160
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 items. 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-diagnostic 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
Self-diagnostic results
ST ANG SEN SIGNAL
Self-diagnostic results DECEL G SEN SET
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![INFINITI FX35 2006 Service Manual BRC-50
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
CAN Communication CircuitNFS000NW
DTC U1000, C1156
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn ignition sw INFINITI FX35 2006 Service Manual BRC-50
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
CAN Communication CircuitNFS000NW
DTC U1000, C1156
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn ignition sw](/manual-img/42/57019/w960_57019-1181.png)
BRC-50
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
CAN Communication CircuitNFS000NW
DTC U1000, C1156
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn ignition switch OFF, disconnect the ABS actuator and electric unit (control unit) connector, and check the terminal for deformation, disconnection, looseness, and so on. If there is a malfunction, repair or
replace the terminal.
2. Reconnect connector to perform self-diagnosis.
Is
“CAN COMM CIRCUIT” or “ST ANG SEN COM CIR” displayed in the self-diagnosis display items?
YES >> Print out the self-diagnostic results, and refer to LAN-3, "Precautions When Using CONSULT-II" .
NO >> Connector terminal connection is loose, damaged, open, or shorted.
Component InspectionNFS000NX
VDC OFF SWITCH
Turn ignition switch OFF and disconnect VDC OFF switch con-
nector, and check continuity between VDC OFF switch connec-
tor M32 terminals 1 and 2.
1 -2 : Continuity should exist when pushing switch.
Continuity should not exist when releasing
switch.
SFIA1203E
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TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Excessive ABS Function Operat INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS BRC-51
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Excessive ABS Function Operat](/manual-img/42/57019/w960_57019-1182.png)
TROUBLE DIAGNOSIS FOR SYMPTOMS BRC-51
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TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Excessive ABS Function Operation FrequencyNFS000NY
1. CHECK FRONT AND REAR AXLE
Make sure there is no excessive looseness in the front and rear axles.
OK or NG
OK >> GO TO 2.
NG >> Check front or rear axle system.
2. CHECK WHEEL SENSOR
Perform following inspection for wheel sensor:
Sensor mount and damage inspection
Sensor rotor mount and damage inspection
Sensor connector connection inspection
Sensor harness inspection
OK or NG
OK >> GO TO 3.
NG >> Replace sensor or sensor rotor.
3. CHECK ABS WARNING LAMP DISPLAY
Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv-
ing.
OK or NG
OK >> Normal
NG >> Perform self-diagnosis. Refer to BRC-25, "
Self-Diagnosis" .
Unexpected Pedal ReactionNFS000NZ
1. CHECK BRAKE PEDAL STROKE
Check brake pedal stroke.
Is the stroke too long?
YES >>Bleed air from brake piping.
Check brake pedal, brake booster, and master cylinder mount for play, looseness, and brake
system for fluid leaks, etc. If any malfunctions are found, make repair.
NO >> GO TO 2.
2. CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector E56 and make sure that braking force is suf-
ficient when ABS in not operating. After the inspection, reconnect connector.
OK or NG
OK >> GO TO 2. CHECK WHEEL SENSOR. Refer to BRC-51, "Excessive ABS Function Operation Fre-
quency" .
NG >> Check brake system.
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![INFINITI FX35 2006 Service Manual BRC-52
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 December 2006 FX35/FX45
The Braking Distance is LongNFS000O0
CAUTION:
On slippery road surfaces, the stopping distance might be long INFINITI FX35 2006 Service Manual BRC-52
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 December 2006 FX35/FX45
The Braking Distance is LongNFS000O0
CAUTION:
On slippery road surfaces, the stopping distance might be long](/manual-img/42/57019/w960_57019-1183.png)
BRC-52
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 December 2006 FX35/FX45
The Braking Distance is LongNFS000O0
CAUTION:
On slippery road surfaces, the stopping distance might be longer with the ABS operating than when
the ABS is not operating.
1. CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector E56 to deactivate ABS. In this condition,
check stopping distance. After inspection, connect connector.
OK or NG
OK >>Bleed air from brake piping.
Check brake system.
NG >> GO TO 2. CHECK WHEEL SENSOR. Refer to BRC-51, "
Excessive ABS Function Operation Fre-
quency" .
The ABS Function Does Not OperateNFS000O1
CAUTION:
The ABS does not operate when the speed is 10 km/h (6 MPH) or less.
1. CHECK ABS WARNING LAMP DISPLAY
Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv-
ing.
OK or NG
OK >> GO TO 2. CHECK WHEEL SENSOR. Refer to BRC-51, "Excessive ABS Function Operation Fre-
quency" .
NG >> Perform self-diagnosis. Refer to BRC-25, "
Self-Diagnosis" .
Pedal Vibration or ABS Operation Sound OccursNFS000O2
CAUTION:
Under the following conditions, when brake pedal is lightly depressed (just place a foot on it), ABS is
activated and vibration is felt. However, this is normal.
When shifting gears
When driving on slippery road
During cornering at high speed
When passing over bumps or grooves
When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher]
1. SYMPTOM CHECK 1
Check if pedal vibration or operation sound occurs when engine is started.
OK or NG
OK >> Perform self-diagnosis. Refer to BRC-25, "Self-Diagnosis" .
NG >> GO TO 2.
2. SYMPTOM CHECK 2
Check symptom when electrical component (headlamps, etc.) switches are operated.
Does the symptom occur when the electrical component (head lamp, etc.) switches are operated?
YES >> Check if there is a radio, antenna, antenna lead wire, or wiring close to ABS actuator and electric unit (control unit) (or its wiring), and if there is, move it farther away.
NO >> GO TO 2. CHECK WHEEL SENSOR. Refer to BRC-51, "
Excessive ABS Function Operation Fre-
quency" .