ABS INFINITI FX35 2008 Workshop Manual
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![INFINITI FX35 2008 Workshop Manual
BRC-30
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Note: Serves as
EBD warning lamp.
Active TestINFOID:0000000001327674
CAUTION:
Do not perform active test while driving vehicle.
Make INFINITI FX35 2008 Workshop Manual
BRC-30
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Note: Serves as
EBD warning lamp.
Active TestINFOID:0000000001327674
CAUTION:
Do not perform active test while driving vehicle.
Make](/img/42/57017/w960_57017-1044.png)
BRC-30
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Note: Serves as
EBD warning lamp.
Active TestINFOID:0000000001327674
CAUTION:
Do not perform active test while driving vehicle.
Make sure to completely bleed air from the brake system.
Active test can not be performed when EBD, ABS, TCS or VDC operation is malfunction.
ABS and brake warning lamps tu rn on during the active test.
NOTE:
RR LH IN SOL
(ON/OFF) ×
Rear LH IN ABS solenoid (ON/ OFF) status is displayed.
RR LH OUT SOL
(ON/OFF) ×
Rear LH OUT ABS solenoid (ON/OFF) status is displayed.
OFF LAMP
(ON/OFF) ×
OFF Lamp (ON/OFF) status is displayed.
MOTOR RELAY
(ON/OFF) ×
ABS motor relay signal (ON/OFF) status is displayed.
ACTUATOR RLY
(ON/OFF) ×
ABS actuator relay signal (O N/OFF) status is displayed.
CV1
(ON/OFF) Primary side switch-over solenoid valve 1 (cut valve 1) (ON/OFF) status
is displayed.
CV2
(ON/OFF) Secondary side switch-over solenoid valve 2 (cut-valve 2) (ON/OFF)
status is displayed.
SV1
(ON/OFF) Primary side switch-over solenoid valve 1 (suction valve 1) (ON/OFF)
status is displayed.
SV2
(ON/OFF) Secondary side switch-over solenoid valve 2 (suction valve 2) (ON/
OFF) status is displayed.
VDC FAIL SIG
(ON/OFF) VDC fail signal (ON/OFF) status is displayed.
TCS FAIL SIG
(ON/OFF) TCS fail signal (ON/OFF) status is displayed.
ABS FAIL SIG
(ON/OFF) ABS fail signal (ON/OFF) status is displayed.
EBD FAIL SIG
(ON/OFF) EBD fail signal (ON/OFF) status is displayed.
EBD SIGNAL
(ON/OFF) EBD operation (ON/OFF) status is displayed.
ABS SIGNAL
(ON/OFF) ABS operation (ON/OFF) status is displayed.
TCS SIGNAL
(ON/OFF) TCS operation (ON/OFF) status is displayed.
VDC SIGNAL
(ON/OFF) VDC operation (ON/OFF) status is displayed.
EBD WARN LAMP
(ON/OFF) Brake warning lamp (ON/OFF) status is displayed. (Note)
CRANKING SIG
(ON/OFF) Cranking condition (ON/OFF) status is displayed.
4WD FAIL REQ
(ON/OFF) AWD fail-safe signal (ON/OFF) status is displayed.
2WD/4WD
(2WD/4WD) Distinguish 2WD and AWD
Item
(Unit) Data monitor item selection
Remarks
ECU INPUT
SIGNALS MAIN
SIGNALS
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When active test is performed while depressing, t he pedal depression amount will change. This is nor INFINITI FX35 2008 Workshop Manual
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When active test is performed while depressing, t he pedal depression amount will change. This is nor](/img/42/57017/w960_57017-1045.png)
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When active test is performed while depressing, t he pedal depression amount will change. This is normal.
“TEST IS STOPPED” is displayed 10 seconds after operation start.
After “TEST IS STOPPED” is displayed, touch “BACK” and perform test again.
TEST ITEM
Solenoid Valve
NOTE:
The example shown is for the front right wheel. The procedure for the other wheels is the same as given
below.
When performing an active test of the ABS function, se lect the main item for each test item. In addition,
when performing an active test of the VDC/TCS function, select the item menu for each test item.
For the ABS solenoid valve, touch “UP” “KEEP” “DOWN”, and for the ABS solenoid valve (ACT), touch “UP”
“ACTUATOR UP” “ACTUATOR KEEP”, and check to make su re that all solenoid valve (in, out) are operating
as given in the table below.
*: ON for 1 to 2 seconds after the touch, and then OFF
ABS Motor
Touch “ON” and “OFF” on the screen. Make sure AB S motor relay operates as shown in table below.
For Fast and Accurate DiagnosisINFOID:0000000001327675
PRECAUTIONS FOR DIAGNOSIS
Before performing diagnosis, always read precautions. Refer to BRC-13, "How to Proceed with Diagnosis".
If ABS actuator and electric unit (control unit), steer ing angle sensor, steering system parts or suspension
system parts have been replaced, or if alignment has been adjusted, be sure to adjust neutral position of
steering angle sensor before driving. Refer to BRC-8, "
Adjustment of Steering Angle Sensor Neutral Posi-
tion".
After diagnosis is finished, be sure to erase memory. Refer to BRC-26, "
Self-Diagnosis".
When checking continuity and voltage between units, be sure to check for disconnection, looseness, bend,
or collapse of connector terminals. If any malfuncti on is found, repair or replace connector terminals.
For intermittent symptoms, possible cause is malfunc tion in harness, harness connector, or terminals. Move
harness, harness connector, and terminals to check for poor connections.
If a circuit tester is used for the check, be ca reful not to forcibly extend any connector terminal.
To use CONSULT-III to perform self-diagnosis of ABS act uator and electric unit (control unit), active tests, or
work support, first stop work, then connect CONSULT-III and select “ABS”.
While self-diagnostic results of CONSULT-III shows malf unction, if CONSULT-III active test is performed, an
engine system error may be indicated. In this case, start engine to resume the normal screen.
VDC/TCS/ABS system electronica lly controls brake operation and engine output. The following symptoms
may be caused by normal operations:
Operation ABS solenoid valve ABS so
lenoid valve (ACT)
UP KEEP DOWN UP ACTUATOR
UP ACTUATOR
KEEP
FR RH IN SOL OFF ON ON OFF OFF OFF
FR RH OUT SOL OFF OFF ON* OFF OFF OFF
CV 1 OFF OFF OFF OFF ON ON
SV 1 OFF OFF OFF OFF ON* OFF
Operation ON OFF
MOTOR RELAY ON OFF
ACTUATOR RLY ON ON
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BRC-32
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TROUBLE DIAGNOSIS
Basic Inspection
INFOID:0000000001327676
BRAKE FLUID AMOUNT, LEAKS, AND BRAKE PADS INSPECTION
1. Check fluid level in the brake reservoir INFINITI FX35 2008 Workshop Manual
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TROUBLE DIAGNOSIS
Basic Inspection
INFOID:0000000001327676
BRAKE FLUID AMOUNT, LEAKS, AND BRAKE PADS INSPECTION
1. Check fluid level in the brake reservoir](/img/42/57017/w960_57017-1046.png)
BRC-32
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Basic Inspection
INFOID:0000000001327676
BRAKE FLUID AMOUNT, LEAKS, AND BRAKE PADS INSPECTION
1. Check fluid level in the brake reservoir tank. If fluid level is low, refill brake fluid.
2. Check brake piping and around ABS actuator and electric uni t (control unit) for leaks. If there is leaking or
oozing fluid, check the following items.
If ABS actuator and electric unit (control unit) connec tion is loose, tighten piping to the specified torque
and re-perform the leak inspection to make sure there are no leaks.
If there is damage to the connection flare nut or AB S actuator and electric unit (control unit) screw,
replace the damaged part and re-perform the leak inspection to make sure there are no leaks.
When there is fluid leaking or oozing from a part other than ABS actuator and electric unit (control unit)
connection, if fluid is just oozing out, use a clean cl oth to wipe off the oozing fluid and re-check for leaks.
If fluid is still oozing out, replace the damaged part.
When there is fluid leaking or oozing at ABS actuator and electric unit (control unit), if fluid is just oozing
out, use a clean cloth to wipe off oozing fluid and re-che ck for leaks. If fluid is still oozing out, replace
ABS actuator and electric unit (control unit) body.
CAUTION:
ABS actuator and electric unit (contr ol unit) body can not be disassembled.
3. Check brake pad degree of wear. Refer to BR-18, "
On-Vehicle Inspection" in “Front Disc Brake” and BR-
24, "On-Vehicle Inspection" in “Rear Disc Brake”
POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION
Make sure battery positive cable, negative cabl e and ground connection are not loose. If looseness is
detected, tighten the cables. In additi on, check the battery voltage to make sure it has not dropped and alter-
nator is normal.
ABS WARNING LAMP, VDC OFF INDICATOR LAMP, SLIP INDICATOR LAMP AND BRAKE WARN-
ING LAMP INSPECTION
Symptom Symptom description Result
Motor operation noise This is noise of motor in
side ABS actuator and electr ic unit (control unit).
Slight noise may occur during VDC, TCS, and ABS operation.
Normal
When the vehicle speed goes over 20 km/h (12.5 MPH), motor and valves
operating noise may be heard. It happens only once after ignition switch is
ON. This is a normal status of the system operation check.
System operation check noise When engine starts, slight “click” noise may be heard from engine room.
This is normal and is part of system operation check. Normal
VDC/TCS operation
(SLIP indicator lamp blinking) TCS may activate momentarily if wheel speed changes when driving over
location where friction coefficient varies, when up/downshifting, or when ful-
ly depressing accelerator pedal.
Normal
Cancel the VDC/TCS
function for the inspec-
tion on a chassis dyna-
mometer.
For inspection of speedometer or other instruments, press VDC OFF switch
to turn VDC/TCS function off.
When accelerator pedal is depressed on a chassis dynamometer (fixed
front-wheel type), vehicle speed will not increase. This is not normal. It is re-
sult of TCS being activated by stationary front wheels. Warning lamp may
also illuminate to indicate “sensor system error”. This is also normal, and is
the result of the stationary front wheels being detected. To be certain, restart
engine, and drive vehicle at 30 km/h (19 MPH) or more. Make sure warning
lamp does not illuminate.
ABS operation
(Longer stopping distance) On roads with low friction coefficients, such as snowy roads or gravel roads,
vehicles with ABS may require a longer stopping distance. Therefore, when
driving on such roads, avoid overconfidence and keep speed sufficiently
low.
Normal
Insufficient feeling of accelera-
tion Depending on road conditions, driver may feel that feeling of acceleration is
insufficient. This is because traction control, which controls engine and
brakes to achieve optimal traction, has the highest priority (for safety). As a
result, there may be times when acceleration is slightly less than usual for
the same accelerator pedal operation.
Normal
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× : ON –: OFF
Note 1:Brake warning lamp will turn on in case of operating parking brake (switch turn INFINITI FX35 2008 Workshop Manual
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× : ON –: OFF
Note 1:Brake warning lamp will turn on in case of operating parking brake (switch turn](/img/42/57017/w960_57017-1047.png)
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× : ON –: OFF
Note 1:Brake warning lamp will turn on in case of operating parking brake (switch turned on) or of actuating brake fluid level switch
(brake fluid is insufficient).
Note 2:After starting engine, turn OFF.
1. Make sure ABS warning lamp, VDC OFF indicator lamp (when VDC OFF switch is OFF), and SLIP indica- tor lamp turn on approximately 2 second, and brake warning lamp turns on when ignition switch is turned
ON. If they do not, check VDC OFF indicator lamp and then VDC OFF switch. Refer to BRC-48, "
Compo-
nent Inspection". Check CAN communications. Refer to “CAN Communication Inspection”. If there are no
errors with VDC OFF switch and CAN communication system, check combination meter. Refer to DI-5
.
2. Make sure ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp turn off approximately 2 sec- ond after turn ignition switch ON, and brake warning lamp turns off after engine starts. If lamps do not turn
off, perform self-diagnosis.
3. With engine running, make sure VDC OFF indicator lamp turns on and off when VDC OFF switch is turned ON and OFF. If indicator lamp status does not correspond to switch operation, check the VDC OFF
switch system. Refer to BRC-48, "
Component Inspection".
4. Make sure ABS warning lamp, VDC OFF indicator lamp, and SLIP indicator lamp turn off 2 seconds after engine is started. If ABS warning lamp, VDC OFF indicator lamp, and SLIP indicator lamp have not turned
off 10 seconds after engine has been started, perform self-diagnosis of ABS actuator and electric unit
(control unit).
5. After performing the self-diagnosis, be sure to erase the error memory. Refer to BRC-26, "
Self-Diagnosis".
NOTE:
Brake warning lamp will turn ON in case of parking brake operation (when switch is ON) or of brake fluid level
switch should not stay “ON” position.
Condition ABS warning
lamp VDC OFF in-
dicator lamp SLIP indicator
lamp Brake warning
lamp (Note 1) Remarks
Ignition switch OFF. – – – — —
Approx. 2 seconds after ignition
switch is turned ON. ×× ××
(Note 2) —
Approx. 2 seconds later after ig-
nition switch ON. –– –
× (Note 2) Go out 2 seconds after igni-
tion switch is turned ON.
VDC OFF switch is turned ON.
(VDC/TCS function is OFF.) –
× –— —
VDC/TCS/ABS error. ×× × —There is an ABS actuator
and electric unit (control unit)
error. (Power, ground or sys-
tem malfunction)
When VDC/TCS is not function-
ing normally. –
×× ——
EBD error. ×× × × —
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BRC-34
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1101 RR RH SENSOR-1INFOID:0000000001327677
After using the CONSULT-III SELF-DIAG RESULTS to INFINITI FX35 2008 Workshop Manual
BRC-34
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1101 RR RH SENSOR-1INFOID:0000000001327677
After using the CONSULT-III SELF-DIAG RESULTS to](/img/42/57017/w960_57017-1048.png)
BRC-34
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYSTEM
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1101 RR RH SENSOR-1INFOID:0000000001327677
After using the CONSULT-III SELF-DIAG RESULTS to
determine the location of the malfunctioning wheel sen-
sor, check all areas to determine the component to be replaced.
CAUTION:
Do not measure the resistance value and also vo ltage between sensor terminal with tester etc.,
because sensor is an active sensor.
Do not expand terminal of connector with a tester terminal stick, when it does the inspection with
tester.
INSPECTION PROCEDURE
1.CHECK TIRE
Check air pressure, wear and size.
Are air pressure, wear, and size within the standard values?
YES >> GO TO 2.
NO >> Adjust air pressure, or replace tire.
2.CHECK SENSOR AND SENSOR ROTOR
Check condition of the sensor mount (for looseness, etc.).
Check surface of front sensor rotor rubber for damage.
Check rear sensor rotor for damage.
OK or NG
OK >> GO TO 3.
NG >> Repair sensor mount or replace sensor rotor.
3.CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 4.
NO >> INSPECTION END
4.CHECK CONNECTOR
1. Disconnect ABS actuator and electric unit (control unit) connector and malfunctioning wheel sensor con-
nector E46 (FR-LH), E33 (FR-RH) or B69 (RR). Chec k terminal for deformation, open circuit, poor con-
tact, etc., and repair or replace if any malfunctioning condition is found.
2. Reconnect connectors, drive at a speed of approximatel y 30 km/h (19 MPH) or more for approximately 1
minute, and perform self-diagnosis.
OK or NG
OK >> Connector terminal contact is loose, damaged, open or shorted.
NG >> GO TO 5.
5.CHECK WHEEL SENSOR HARNESS
Self-diagnostic results
FR RH SENSOR-1,-2
FR LH SENSOR- 1,-2
RR RH SENSOR-1,-2
RR LH SENSOR-1,- 2
ABS SENSOR [ABNORMAL SIGNAL]
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1. Turn ignition switch OFF and disconnect malfunctioning wheel sensor connector E46 (FR-LH) INFINITI FX35 2008 Workshop Manual
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1. Turn ignition switch OFF and disconnect malfunctioning wheel sensor connector E46 (FR-LH)](/img/42/57017/w960_57017-1049.png)
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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
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BRC-36
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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: INFINITI FX35 2008 Workshop Manual
BRC-36
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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:](/img/42/57017/w960_57017-1050.png)
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
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Check ABS actuator and electric unit (control unit) ground circuit.
OK or NG
OK >> Perform A INFINITI FX35 2008 Workshop Manual
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Check ABS actuator and electric unit (control unit) ground circuit.
OK or NG
OK >> Perform A](/img/42/57017/w960_57017-1051.png)
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Check ABS actuator and electric unit (control unit) ground circuit.
OK or NG
OK >> Perform ABS actuator and elec tric unit (control unit) self-
diagnosis again.
NG >> Repair or replace harness or connectors.
5.CHECK ABS ACTUATOR AND ELECTRIC UNIT (C ONTROL 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.
DTC C1110 CONTROLLER FAILUREINFOID:0000000001327679
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
Is the above displayed in the self-diagnosis display items?
YES >> Replace ABS actuator and electric unit (c ontrol unit). Perform the self-diagnosis again.
NO >> INSPECTION END
D T C C 1111 P U M P M O T O RINFOID:0000000001327684
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC 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-DIAGNOSTIC RESULTS (2)
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
Self-diagnostic results
CONTROLLER FAILURE VARIANT CODING
Self-diagnostic results PUMP MOTOR
ACTUATOR RLY
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 1053 of 3924
![INFINITI FX35 2008 Workshop Manual
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 INFINITI FX35 2008 Workshop Manual
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](/img/42/57017/w960_57017-1052.png)
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
Page 1054 of 3924
![INFINITI FX35 2008 Workshop Manual
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) connecto INFINITI FX35 2008 Workshop Manual
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) connecto](/img/42/57017/w960_57017-1053.png)
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