2008 INFINITI FX35 warning

PRECAUTIONSBRC-5
< SERVICE INFORMATION > [VDC/TCS/ABS]
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PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001612923
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SUPPLEMENTAL RESTRAINT SYS-
TEM” and “SEAT BELTS” of this Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
 Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SUPPLEMEN TAL RESTRAINT SYSTEM”.
 Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
Precaution for Brake SystemINFOID:0000000001327654
 Recommended fluid is brake fluid “DOT 3”. Refer to MA-9.
 Do not reuse drained brake fluid.
 Be careful not to splash brake fluid on painted areas such as body. If brake fluid is splashed, wipe it off and flush area with water immediately.
 Do not use mineral oils such as gasoline or kerosene to clean. They will ruin rubber parts and cause improper operation.
 Using a flare nut crowfoot and torque wrench, securely tighten brake tube flare nuts.
 Brake system is an important safe ty part. If a brake fluid leak is
detected, always disassemble the affected part. If a malfunction is
detected, replace part with a new one.
 Before working, turn ignition switch OFF and disconnect electrical
connectors of ABS actuator and elec tric unit (control unit) or bat-
tery negative terminal.
 When installing brake piping, be sure to check torque.
WARNING:
Clean brake pads and shoes with a waste cloth, then wipe with
a dust collector.
Precaution for Brake ControlINFOID:0000000001327655
 During VDC/TCS/ABS operation, brake pedal lightly vi brates and a mechanical noise may be heard. This is
normal.
 Just after starting vehicle after turning ignition switch ON, brake pedal may vibrate or motor operating noise
may be heard from engine room. This is a normal status of operation check.
 Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel, or
snow-covered (fresh, deep snow) roads.
 When an error is indicated by ABS or another warning lamp, collect all necessary information from customer
(what symptoms are present under what conditions) and check for simple causes before starting diagnostic
servicing. Besides electrical system inspection, c heck booster operation, brake fluid level, and fluid leaks.
 If tire size and type are used in an improper combinat ion, or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate.
 If there is a radio, antenna, or antenna lead-in wire (including wiring) near control module, VDC/TCS/ABS
function may have a malfunction or error.
 If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness
pinches, open circuits, and improper wiring.
SBR686C
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BRC-10
< SERVICE INFORMATION >[VDC/TCS/ABS]
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
SchematicINFOID:0000000001327660
FunctionsINFOID:0000000001327661
VDC
 In addition to the TCS/ABS function, the driver
steering amount and brake operation amount are detected
from steering angle sensor and pressure sensor, and the vehicle's driving status (amount of under steering /
over steering) is determined from information from G s ensor, wheel sensor, etc., and this information is used
to improve vehicle stability by controlling the braking and engine power to all four wheels.
 SLIP indicator lamp flashes to inform the driver of VDC operation.
 During VDC operation, body and brake pedal lightly vibrate and mechanical noises may be heard. This is
normal.
 ABS warning lamp, VDC OFF indicator lamp, and SLIP indicator lamp might turn on when vehicle is subject
to strong shaking or large vibration, such as when vehi cle is on a turn table, a ship or a steep slope such as
bank while engine is running. In this case, restart engine on a normal road, and if ABS warning lamp, VDC
OFF indicator lamp, and SLIP indicator lamp turn off, there is no malfunction.
TCS
 The wheel spin of the drive wheels is detected by ABS actuator and electric unit (control unit) from the wheel
speed signals from four wheels, so if wheel spin occurs , drive wheel right and left brake fluid pressure con-
trol and engine fuel cut are performed while throttle value is restricted to reduce the engi\
ne torque and
decrease the amount of wheel spin. In addition, the degree throttle is opened is controlled to achieve the
optimum engine torque.
 Depending on road circumstances, the driver may have a sluggish feel. This is normal, because the opti-
mum traction has the highest priority under TCS operation.
 TCS may be activated any time vehicle suddenly accelerates, suddenly down/upshifts, or is driven on a road with a varying surface friction coefficient.
 During TCS operation, it informs a driver of sy stem operation by flashing SLIP indicator lamp.
ABS
 The Anti-Lock Braking System is a function that detec ts wheel revolution while braking, and it improves han-
dling stability during sudden braking by electrically prev enting 4 wheel lock. Maneuverability is also improved
for avoiding obstacles.
 If the electrical system malfunc tions, then the fail-safe function star ts, the ABS becomes inoperative, and
ABS warning lamp turns on.
 Electrical system diagnosis by CONSULT-III is available.
 During ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.
 When starting engine, or just after starting vehicle, brake pedal may vibrate or motor operating noises may be heard from engine compartment. This is a normal status of operation check.
SFIA1160E
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SYSTEM DESCRIPTIONBRC-11
< SERVICE INFORMATION > [VDC/TCS/ABS]
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 Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel, or
snow-covered (fresh, deep snow) roads.
EBD
 The Electronic Brake Distribution is a function that detects subtle slippages between front and rear wheels
during braking, and it improves handling stability by elec tronically controlling the brake fluid pressure which
results in reduced rear wheel slippage.
 In case of electrical system malfunction, the fail- safe function is activated, EBD and ABS becomes inopera-
tive, and ABS warning lamp and brake warning lamp are turned on.
 Electrical system diagnosis by CONSULT-III is available.
 During EBD operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.
 When starting engine, or just after starting vehicle, brake pedal may vibrate or motor operating noises may
be heard from engine compartment. This is a normal status of operation check.
 Stopping distance may be longer than that of vehicles without EBD when vehicle drives on rough, gravel, or
snow-covered (fresh, deep snow) roads.
Fail-Safe FunctionINFOID:0000000001327662
VDC / TCS SYSTEM
In case of malfunction in the VDC/TCS system, VDC O FF indicator lamp and SLIP indicator lamp are turned
on, and the condition of vehicle is the same as the c ondition of vehicles without VDC/TCS system. In case of
malfunction in the VDC/TCS system, the ABS control c ontinues to operate normally without VDC/TCS control.
CAUTION:
If the fail-safe function is acti vated, then perform the self-diagnos is for VDC/TCS/ABS control system.
ABS, EBD SYSTEM
In case of electrical malfunctions with the ABS, ABS warning lamp, VDC OFF indicator lamp and SLIP indica-
tor lamp will turn on. In case of electrical malfunc tions with the EBD, brake warning lamp, ABS warning lamp,
VDC OFF indicator lamp and SLIP indicator lamp wil l turn on. Simultaneously, the VDC/TCS/ABS become one
of the following conditions of the fail-safe function.
 For malfunction of ABS, only the EBD is activated and t he condition of vehicle is the same condition of vehi-
cles without TCS/ABS system.
NOTE:
ABS self-diagnosis sound may be heard. That is a no rmal condition because a self-diagnosis for “Ignition
switch ON” and “The first starting” are being performed.
 For malfunction of EBD, EBD and ABS become inoperative, and the condition of vehicle is the same as the
condition of vehicles wit hout TCS/ABS, EBD system.
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TROUBLE DIAGNOSISBRC-13
< SERVICE INFORMATION > [VDC/TCS/ABS]
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TROUBLE DIAGNOSIS
Fail-Safe FunctionINFOID:0000000001327665
VDC/TCS SYSTEM
In case of malfunction in the VDC/TCS system, VDC O FF indicator lamp and SLIP indicator lamp are turned
on, and the condition of vehicle is the same as the c ondition of vehicles without VDC/TCS system. In case of
malfunction in the VDC/TCS system, the ABS control c ontinues to operate normally without VDC/TCS control.
CAUTION:
If the fail-safe function is acti vated, then perform the self-diagnos is for VDC/TCS/ABS control system.
ABS, EBD SYSTEM
In case of electrical malfunctions with the ABS, ABS warning lamp, VDC OFF indicator lamp, SLIP indicator
lamp will turn on. In case of electrical malfuncti ons with the EBD, brake warning lamp, ABS warning lamp,
VDC OFF indicator lamp and SLIP indicator lamp wil l turn on. Simultaneously, the VDC/TCS/ABS become one
of the following conditions of the fail-safe function.
 For malfunction of ABS, only the EBD is activated and t he condition of vehicle is the same condition of vehi-
cles without TCS/ABS system.
NOTE:
ABS self-diagnosis sound may be heard. That is a no rmal condition because a self-diagnosis for “Ignition
switch ON” and “The first starting” are being performed.
 For malfunction of EBD, EBD and ABS become inoperative, and the condition of vehicle is the same as the
condition of vehicles wit hout TCS/ABS, EBD system.
How to Proceed with DiagnosisINFOID:0000000001327666
BASIC CONCEPT
 Most important point to perform diagnosis is to unders tand systems (control and mechanism) in vehicle thor-
oughly.
 It is also important to clarify customer complaints before inspec- tion.
First of all, reproduce symptom, and understand it fully.
Ask customer about his/her complaints carefully. In some cases, it
will be necessary to check symptom by driving vehicle with cus-
tomer.
NOTE:
Customers are not professionals. Do not assume “maybe cus-
tomer means...” or “maybe customer mentioned this symptom”.
 It is essential to check symptoms right from beginning in order to repair a malfunction completely.
For an intermittent malfunction, it is important to reproduce symp-
tom based on interview with customer and past examples. Do not
perform inspection on ad hoc basis. Most intermittent malfunctions
are caused by poor contacts. In this case, it will be effective to
shake suspected harness or connector by hand. When repairs are
performed without any symptom check, no one can judge if mal-
function has actually been eliminated.
 After diagnosis, make sure to perform “erase memory”. Refer to BRC-26, "
Self-Diagnosis".
 For an intermittent malfunction, move harness or harness connec- tor by hand to check poor contact or false open circuit.
 Always read “GI General Information” to confirm general precautions. Refer to GI-3, "
General Precaution".
SEF234G
SEF233G
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BRC-24
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Monitor item Display content Data monitor
Condition Reference value in
normal operation
SLCT LVR POSI A/T shift position P: P position
R: R position
N: N position
D: D position
GEAR A/T gear position 1: 1st gear
2: 2nd gear
3: 3rd gear
4: 4th gear
5: 5th gear
FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSOR Wheel speed Vehicle stopped 0 [km/h (MPH)]
Vehicle running (Note 1)
Almost in accordance
with speedometer
display
(within
± 10 %)
ACCEL POS SIG Open/close condition of throttle valve
(linked with a
ccelerator pedal) Accelerator pedal not depressed
(Engine stopped)
0 %
Depress accelerator pedal
(Engine stopped) 0 to 100 %
ENGINE SPEED With engine running With engine stopped 0 rpm
Engine running
Almost in accordance
with tachometer dis-
play
STR ANGLE SIG Steering angle detected by steering angle
sensor Straight-ahead Approx. 0 deg
Steering wheel turned –756 to 756 deg
YAW RATE SEN Yaw rate detected by yaw rate sensor Vehicle stopped Approx. 0 d/s
Vehicle running –100 to 100 d/s
SIDE G-SENSOR Transverse G detected by side G sensor Vehicle stopped
Approx. 0 m/s
2
Vehicle running–16.7 to 16.7 m/s2
PRESS SENSORBrake fluid pressure detected by pressure
sensor With ignition switch turned ON and brake
pedal released
Approx. 0 bar
With ignition switch turned ON and brake
pedal depressed 0 to 170 bar
BATTERY VOLT Battery voltage supplied to ABS actuator
and electric unit (control unit) Ignition switch ON 10 to 16 V
STOP LAMP SW Brake pedal operation Brake pedal depressed ON
Brake pedal not depressed OFF
OFF SW VDC OFF switch ON/OFF status VDC OFF switch ON
(When VDC OFF indicator lamp is ON)
ON
VDC OFF switch OFF
(When VDC OFF indicator lamp is OFF) OFF
ABS WARN LAMP ABS warning lamp ON condition (Note 2) ABS warning lamp ON ON
ABS warning lamp OFF OFF
MOTOR RELAY Operation status of motor and motor relay Ignition switch ON or engine running
(ABS not operated)
OFF
Ignition switch ON or engine running (ABS
operated) ON
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TROUBLE DIAGNOSISBRC-25
< SERVICE INFORMATION > [VDC/TCS/ABS]
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ACTUATOR RLY Actuator relay operation status Actuator (solenoid) is active
(“ACTIVE TEST” with CONSULT-III)
ON
When actuator relay is inactive
(in fail-safe mode) OFF
OFF LAMP VDC OFF indicator lamp status
(Note 3) When VDC OFF indicator lamp is ON ON
When VDC OFF indicator lamp is OFF OFF
SLIP LAMP SLIP indicator lamp status
(Note 4) When SLIP indicator lamp is ON ON
When SLIP indicator lamp is OFF OFF
FR LH IN SOL
FR LH OUT SOL
FR RH IN SOL
FR RH OUT SOL
RR RH IN SOL
RR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL Solenoid valve operation Actuator (solenoid) is active (“ACTIVE
TEST” with CONSULT-III) and actuator re-
lay is active (ignition switch ON)
ON
When actuator (solenoid) is not active or
actuator relay is inactive (in fail-safe
mode) OFF
CV1
CV2
SV1
SV2 VDC/TCS switch-over valve status When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT-III)
and actuator relay is active (ignition switch
ON)
ON
When actuator (switch-over valve) is not
active or actuator relay is inactive (in fail-
safe mode) OFF
DECEL G-SEN Longitudinal acceleration detected by decel
G sensor (Note 5) Vehicle stopped Approx. 0 G
Vehicle running -1.7 to +1.7 G
FLUID LEV SW ON/OFF status of brake fluid level switch When brake fluid level switch ON ON
When brake fluid level switch OFF OFF
VDC FAIL SIG
TCS FAIL SIG
ABS FAIL SIG
EBD FAIL SIG Fail signal status VDC fail
TCS fail
ABS fail
EBD fail
ON
VDC normal
TCS normal
ABS normal
EBD normal OFF
EBD WARN LAMP Brake warning lamp on condition
(Note 6) Brake warning lamp ON ON
Brake warning lamp OFF OFF
EBD SIGNAL EBD operation EBD active ON
EBD not active OFF
ABS SIGNAL ABS operation ABS active ON
ABS not active OFF
TCS SIGNAL TCS operation TCS active ON
TCS not active OFF
VDC SIGNAL VDC operation VDC active ON
VDC not active OFF
CRANKING SIG CRANKING status Cranking ON
Not cranking OFF
4WD FAIL REQ ETS fail status (Note 5) ETS fail ON
ETS normal OFF
Monitor item Display content
Data monitor
Condition Reference value in
normal operation
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BRC-26
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Note 1: Confirm tire pressure is normal.
Note 2: ON/OFF timing of ABS warning lamp
ON: Approx. Within 2 seconds after ignition switch is turned ON, or when a malfunction is detected.
OFF: Approx. 2 seconds after ignition switch is turned ON (when sy
stem is in normal operation) and VDC/TCS function is not activated.
Note 3: ON/OFF timing of VDC OFF indicator lamp
ON: Approx. Within 2 seconds after ignition switch is turned ON, or when a malfunction is detected and VDC OFF switch is ON.
OFF: Approx. 2 seconds after ignition switch is turned ON (when system is in normal operation.) And when VDC OFF switch is OFF.
Note 4: ON/OFF timing of SLIP indicator lamp
ON: Approx. Within 2 seconds after ignition switch is turned ON, or when a malfunction is detected and VDC/TCS function is activa ted
while driving.
OFF: Approx. 2 seconds after ignition switch is turned ON (when sy stem is in normal operation) and VDC/TCS function is not activated.
Flashing: VDC/TCS function is active during driving
Note 5: Only AWD models.
Note 6: Serves as EBD warning lamp.
CONSULT-III Functions (ABS)INFOID:0000000001327671
CONSULT-III MAIN FUNCTION
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
Self-DiagnosisINFOID:0000000001327672
OPERATION PROCEDURE
Before performing the self-diagnosis, start engine and driv e vehicle at 30 km/h (19 MPH) or more for approxi-
mately 1 minute.
ERASE MEMORY
After erasing DTC memory, start engine and drive vehicle at 30 km/h (19 MPH) or more for approximately 1
minute as the final inspection, and make sure that the ABS warning lamp, VDC OFF indicator lamp, SLIP indi-
cator lamp and brake warning lamp turn OFF.
CAUTION:
If memory cannot be erased, perform applicably diagnosis.
NOTE:
 When the wheel sensor malfunctions, after inspecting the wheel sensor system, the ABS warning lamp,
VDC OFF indicator lamp, SLIP indicator lamp and br ake waning lamp will not turn OFF even when the sys-
tem is normal unless the vehicle is driving at approxim ately 30 km/h (19 MPH) or more for approximately 1
minute.
 Brake warning lamp will turn ON in case of parki ng brake operation (when switch is ON) or of brake fluid
level switch should not stay “ON” position.
 VDC OFF switch should not stay “ON” position.
2WD/4WD Drive axle 2WD model 2WD
AWD model AWD
Monitor item Display content
Data monitor
Condition Reference value in
normal operation
Diagnostic test mode Function
WORK SUPPORT This mode enables a technician to adjust some devices faster and more accurately by following the
indications on CONSULT-III.
SELF-DIAG RESULTS Self-diagnostic results can be read and erased quickly.
DATA MONITOR Input/Output data in the ABS actuator and electric unit (control unit) can be read.
CAN DIAG SUPPORT MNTR The results of transmit/receive diagnosis of communication can be read.
ACTIVE TEST Diagnostic Test Mode in which CONSULT-III drives
some actuators apart from the ABS actuator and
electric unit (control unit) and also shifts some parameters in a specified range.
FUNCTION TEST Performed by CONSULT-III inst ead of a technician to determine whether each system is “OK” or “NG”.
ECU PART NUMBER ABS actuator and electric unit (control unit) part number can be read.
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BRC-28
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Note 1: After completing repairs of shorted sensor circuit, when turning ignition switch ON, ABS warning lamp turned on. Make t
hat ABS
warning lamp turned off while driving vehicle at approximately 30 km/h (19 MPH) or more for approximately 1 minute according to self-
diagnosis procedure. In addition, if whee l sensor 2 is displayed for wheels, check wheel sensor circuit and also check ABS actu ator and
electric unit (control unit) power voltage.
Note 2: If multiple malfunctions are detected including CAN communication line [U1000], perform diagnosis for CAN communication line
first.
Note 3: “ACTUATOR RLY” on the CONSULT-III self-diagnostic results indicates the malfunction of actuator relay or circuit. Actua tor relay
is imbedded in ABS actuator and electric unit (control unit).
Note 4:Only AWD models.
Data MonitorINFOID:0000000001327673
DISPLAY ITEM LIST
ENGINE SIGNAL 2
[C1131] Based on the signal from ECM, ABS ac
tuator and electric unit (control
unit) judges that engine ETC system is malfunctioning. BRC-42, "DTC C1131 ENGINE
SIGNAL 2"
ENGINE SIGNAL 3
[C1132]Based on the signal from ECM, ABS ac
tuator and electric unit (control
unit) judges that engine CAN system is malfunctioning. BRC-42, "DTC C1132 ENGINE
SIGNAL 3"
ENGINE SIGNAL 4
[C1133]Based on the signal from ECM, ABS ac
tuator and electric unit (control
unit) judges that engine torque down system is malfunctioning. BRC-42, "DTC C1133 ENGINE
SIGNAL 4"
ENGINE SIGNAL 6
[C1136]
Based on the signal from ECM, ABS ac
tuator and electric unit (control
unit) judges that engine control system is malfunctioning. BRC-42, "DTC C1136 ENGINE
SIGNAL 6"
ACTUATOR RLY
[C1140] (Note 3) Actuator solenoid valve relay is ON, even if control unit sends off sig-
nal.
 Actuator solenoid valve relay is OFF, even if control unit sends on sig- nal. BRC-43, "DTC C1140 ACTUA-
TOR RLY"
PRESS SEN CIRCUIT
[C1142]
Pressure sensor signal line is open or shorted, or sensor power voltage
is unusual, or pressure sensor is malfunctioning. BRC-43, "DTC C1142 PRESS
SEN CIRCUIT"
ST ANG SEN CIRCUIT
[C1143]Neutral position of steering angle sensor is dislocated, or steering angle
sensor is malfunctioning. BRC-44, "DTC C1143 ST ANG
SEN CIRCUIT"
ST ANG SEN SIGNAL
[C1144]
Neutral position correction of steering angle sensor is not finished. BRC-45, "DTC C1144 ST ANG
SEN SIGNAL"
YAW RATE SENSOR
[C1145]Yaw rate sensor has generated an error, or yaw rate sensor signal line
is open or shorted. BRC-46, "DTC C1145 YAW
RATE SENSOR"
SIDE G-SEN CIRCUIT
[C1146]Side G sensor is malfunctioning, or signal line of side G sensor is open
or shorted. BRC-46, "DTC C1146 SIDE G-
SEN CIRCUIT"
BR FLUID LEVEL LOW
[C1155]
Brake fluid level drops or
circuit between ABS actuat or and electric unit
(control unit) and brake fluid level switch is open or shorted. BRC-46, "DTC C1155 BR FLU-
ID LEVEL LOW"
ST ANG SEN COM CIR
[C1156]CAN communication line or steering angle sensor has generated an er-
ror. BRC-47, "DTC C1156 ST ANG
SEN COM CIR"
DECEL G SEN SET
[C1160] (Note 4)
Neutral position correction of decel G sensor is not finished.
BRC-47, "DTC C1160 DECEL G
SEN SET"
CV 1
[C1164]Primary side VDC switch-over solenoid valve 1 (cut valve 1) is open or
shorted, or control line is open or shorted to power supply or ground.
BRC-47, "DTC C1164 CV 1"
CV 2
[C1165]Secondary side VDC switch-over solenoid valve 2 (cut valve 2) is open
or shorted, or control line is open or shorted to power supply or ground.
BRC-47, "DTC C1165 CV 2"
SV 1
[C1166]Primary side VDC switch-over solenoid valve 1 (suction valve 1) is open
or shorted, or control line is open or shorted to power supply or ground.
BRC-47, "DTC C1166 SV 1"
SV 2
[C1167]Secondary side VDC switch-over solenoid valve 2 (suction valve 2) is
open or shorted, or control line is open or shorted to power supply or
ground.
BRC-47, "DTC C1167 SV 2"
VARIANT CODING
[C1170]
V coding is not functioning. BRC-48, "DTC C1170 VARIANT
CODING"
CAN COMM CIRCUIT
[U1000] (Note 2)When a ABS actuator and electric unit (control unit) is not transmitting
or receiving CAN communication signal for 2 seconds or more. BRC-48, "DTC U1000 CAN
COMM CIRCUIT"
Self-diagnostic item Malfunction detecting condition Check system
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