ABS INFINITI M35 2006 Factory Manual PDF

TROUBLE DIAGNOSIS
BRC-35
[VDC/TCS/ABS]
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BRC
Revision: 2006 January2006 M35/M45
5. CHECK WHEEL SENSOR HARNESS
1. Turn ignition switch OFF and disconnect malfunctioning wheel
sensor connector E41(FR-RH), E59(FR-LH), B101(RR-RH),
B102(RR-LH) and ABS actuator and electric unit (control unit)
connector E30.
2. Check continuity between terminals. (Also check continuity
when steering wheel is turned right and left and when sensor
harness inside the wheel house is moved.)
OK or NG
OK >> GO TO 6.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows “NO DTC IS DETECTED”.
6. CHECK WHEEL SENSOR
1. Replace wheel sensor that resulted in malfunction by self-diagnosis.
2. Reconnect connectors, drive vehicle at 30 km/h (19 MPH) or more for approximately 1 minute, and then
perform self-diagnosis.
Is above displayed on the self-diagnosis display?
OK >> INSPECTION END
NG >>
Replace ABS actuator and electric unit (control unit).
Perform the self-diagnosis, and make sure that the result shows “NO DTC IS DETECTED”.
SFIA3030E
Power supply circuit Signal circuit Ground circuit
WheelABS actuator
and electric
unit (control
unit)Wheel sensorABS actua-
tor and elec-
tric unit
(control unit)Wheel sensorABS actua-
tor and elec-
tric unit
(control
unit)
(signal)Ground
Front RH 9 1 10 2 9, 10
— Front LH 26 1 5 2 26, 5
Rear RH 7 1 29 2 7, 29
Rear LH 6 1 27 2 6, 27
Power supply circuit : Yes
Signal circuit : Yes
Ground circuit : No

BRC-36
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
Inspection 2: Engine SystemNFS000QM
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK ENGINE SYSTEM
1. Perform ECM self-diagnosis. Repair or replace items indicated, then perform ECM self-diagnosis again.
Refer to EC-100, "
TROUBLE DIAGNOSIS" (VQ35DE), EC-811, "TROUBLE DIAGNOSIS" (VK45DE).
2. Perform ABS actuator and electric unit (control unit) self-diagnosis.
OK or NG
OK >> INSPECTION END
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
Inspection 3: ABS Actuator and Electric Unit (Control Unit)NFS000QN
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
CAUTION:
Replace ABS actuator and electric unit (control unit) when self-diagnostic result shows items other
than those above.
Is above displayed on the self-diagnosis display?
YES >>Replace ABS actuator and electric unit (control unit).
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
NO >> INSPECTION END
Self-diagnosis results
ENGINE SIGNAL 1
ENGINE SIGNAL 2
ENGINE SIGNAL 3
ENGINE SIGNAL 4
ENGINE SIGNAL 6
Self-diagnosis results
CONTROLLER FAILURE
EMERGENCY BRAKE
VARIANT CODING

TROUBLE DIAGNOSIS
BRC-37
[VDC/TCS/ABS]
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BRC
Revision: 2006 January2006 M35/M45
Inspection 4: ABS Actuator and Electric Unit (Control Unit) Power Supply and
Ground Circuit
NFS000QO
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E30,
check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
2. Reconnect connector and perform self-diagnosis.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.
3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT AND
GROUND CIRCUIT
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E30.
2. Turn ignition switch ON or OFF and check voltage between ABS
actuator and electric unit (control unit) harness connector E30
terminal 28 and ground.
Self-diagnosis results
BATTERY VOLTAGE [ABNORMAL]
SFIA3032E
ABS actuator and electric unit (control unit) Ground Condition Voltage
28 —Ignition switch ONBattery voltage
(Approx. 12 V)
Ignition switch OFF Approx. 0 V

BRC-38
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
3. Turn ignition switch OFF and check continuity between ABS
actuator and electric unit (control unit) harness connector E30
terminal 1, 4 and ground.
OK or NG
OK >>Check battery for terminal looseness, low voltage, etc. If any malfunction is found, repair mal-
functioning parts.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
Inspection 5: ABS Motor and Motor Relay CircuitNFS000QP
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E30,
check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
2. Reconnect connector and perform self-diagnosis.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.
SFIA3033E
ABS actuator and electric unit (control unit) Ground Continuity
1, 4 — Yes
Self-diagnosis results
PUMP MOTOR

TROUBLE DIAGNOSIS
BRC-39
[VDC/TCS/ABS]
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BRC
Revision: 2006 January2006 M35/M45
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 E30.
2. Check voltage between the ABS actuator and electric unit (con-
trol unit) harness connector E30 terminal 2 and ground.
OK or NG
OK >> GO TO 4.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
4. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control
unit) harness connector E30 terminal 1, 4 and ground.
OK or NG
OK >>Replace ABS actuator and electric unit (control unit).
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
SFIA3034E
ABS actuator and electric unit (control unit) Ground Voltage
2 — Battery voltage (Approx. 12 V)
SFIA3033E
ABS actuator and electric unit (control unit) Ground Continuity
1, 4 — Yes

BRC-40
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
Inspection 6: Solenoid, VDC Change-Over Valve and Actuator Relay CircuitNFS000QQ
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E30,
check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
2. Reconnect connector and perform self-diagnosis.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.
3. CHECK SOLENOID, VDC CHANGE-OVER VALVE AND ACTUATOR RELAY POWER SUPPLY CIR-
CUIT
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E30.
2. Check voltage between ABS actuator and electric unit (control
unit) harness connector E30 terminal 3 and ground.
Self-diagnosis results
FR RH IN ABS SOL
FR RH OUT ABS SOL
FR LH IN ABS SOL
FR LH OUT ABS SOL
RR RH IN ABS SOL
RR RH OUT ABS SOL
RR LH IN ABS SOL
RR LH OUT ABS SOL
USV LINE [FL-RR]
USV LINE [FR-RL]
HSV LINE [FL-RR]
HSV LINE [FR-RL]
MAIN RELAY
SFIA3035E
ABS actuator and electric unit (control unit) Ground Voltage
3 — Battery voltage (Approx. 12 V)

TROUBLE DIAGNOSIS
BRC-41
[VDC/TCS/ABS]
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BRC
Revision: 2006 January2006 M35/M45
OK or NG
OK >> GO TO 4.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
4. CHECK SOLENOID, VDC CHANGE-OVER VALVE, ACTUATOR RELAY GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control
unit) harness connector E30 terminal 1, 4 and ground.
OK or NG
OK >>Replace ABS actuator and electric unit (control unit).
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
Inspection 7: Pressure Sensor CircuitNFS000QR
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >>Replace ABS actuator and electric unit (control unit).
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
NO >> INSPECTION END
Inspection 8: Steering Angle Sensor CircuitNFS000QS
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> GO TO 2.
NO >> INSPECTION END
SFIA3033E
ABS actuator and electric unit (control unit) Ground Continuity
1, 4 — Yes
Self-diagnosis results
PRESS SEN CIRCUIT
Self-diagnosis results
ST ANG SEN CIRCUIT

BRC-42
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
2. CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E30,
check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
2. Reconnect connector and perform self-diagnosis.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.
3. CHECK STEERING ANGLE SENSOR HARNESS
1. Check CAN communication system. Refer to BRC-51, "
Inspection 16: CAN Communication Circuit" .
2. Turn ignition switch OFF and disconnect steering angle sensor connector.
3. Check continuity between steering angle sensor harness con-
nector M47 terminal 2 and ground.
4. Turn ignition switch ON and check voltage between steering
angle sensor harness connector M47 terminal 3 and ground.
OK or NG
OK >> GO TO 4.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
SFIA2970E
Steering angle sensor Ground Continuity
2—Yes
SFIA2971E
Steering angle sensor Ground Voltage
3 — Battery voltage (Approx. 12 V)

TROUBLE DIAGNOSIS
BRC-43
[VDC/TCS/ABS]
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BRC
Revision: 2006 January2006 M35/M45
4. CHECK DATA MONITOR
1. Turn ignition switch OFF and connect the steering angle sensor connector and ABS actuator and electric
unit (control unit) connector.
2. Select “STR ANGLE SIG” in “Data Monitor” and check steering angle sensor signal.
OK or NG
OK >> Perform self-diagnosis.
NG >>
Replace spiral cable (steering angle sensor) and adjust neutral position of steering angle sen-
sor. Refer to BRC-6, "
Adjustment of Steering Angle Sensor Neutral Position" .
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
Inspection 9: Park/Neutral Position (PNP) Switch CircuitNFS000QT
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK DATA MONITOR
Select “SLCT LVR POSI” in “Data Monitor” and check Park/Neutral position switch signal.
OK or NG
OK >>Replace ABS actuator and electric unit (control unit).
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
NG >> GO TO 3.Steering conditionSTR ANGLE SIG
(Data monitor)
Driving straight – 2.5
to + 2.5
Tu r n 9 0 to right Approx.+ 90
Tu r n 9 0 to left Approx.– 90
Self-diagnosis results
PNP POSI SIG
Selector lever positionSLCT LVR POSI
(Data monitor)
P position P
R position R
N position N
D position D

BRC-44
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
3. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH
Perform Park/Neutral position switch inspection. Refer to AT- 11 3 , "
DTC P0705 PARK/NEUTRAL POSITION
SWITCH" .
OK or NG
OK >>Replace ABS actuator and electric unit (control unit).
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
NG >>
Repair or replace malfunctioning components.
Perform the self-diagnosis, and make sure that the result shows NO DTC IS DETECTED.
Inspection 10: Stop Lamp Switch CircuitNFS000QU
INSPECTION PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES >> GO TO 2.
NO >> INSPECTION END
2. CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect stop lamp switch connector E124 and ABS actuator and electric
unit (control unit) connector E30, check terminal for deformation, disconnection, looseness, and so on. If
any malfunction is found, repair or replace terminal.
2. Reconnect connectors securely.
3. Start engine.
4. Repeat pumping brake pedal carefully several times, and perform self-diagnosis.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.
Self-diagnosis results
STOP LAMP SW