steering wheel adjustment INFINITI FX35 2008 Service Manual

ACS-30
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS —
GENERAL DESCRIPTION
WORK SUPPORT
Cause of Auto-Cancel
Display Item List
NOTE:
Last five cancel (system cancel) causes are displayed.
SELF DIAGNOSTIC RESULT
For details, refer to ACS-35, "Diagnostic Trouble Code (DTC) Chart".
DATA MONITOR
×: Applicable
Work Support  Monitors aiming direction to facilitate laser beam aiming operation.
 Indicates causes of automatic cancellation of the ICC system.
Ecu Identification Displays part number of ICC unit. Test mode Function
Operation Function
CAUSE OF AUTO-CANCEL Indicates causes of automatic cancellation of the ICC system.
LASER BEAM ADJUST Outputs laser beam, calculates dislocation of the beam, and indicates adjustment direction.
For details, refer to
ACS-14
.
Cause of cancellation Description
OPERATING WIPER Windshield wipers were operated at HI or LO speed operation.
OPERATING ABS ABS func tion was operated.
OPERATING TCS TCS function was operated.
OPERATING VDC VDC function was operated.
OPE SW VOLT CIRC Outside the standard control switch input voltage was detected.
ECM CIRCUIT ECM did not permit ICC operation.
LASER SUN BEAM Intense light such as sunlight entered ICC sensor light sensing part.
LASER TEMP Temperature around ICC sensor became low.
OP SW DOUBLE TOUCH ICC steering switches were pressed at the same time.
WHL SPD ELEC NOISE Wheel speed sensor signal caught electromagnetic noise.
VDC/TCS OFF SW VDC OFF switch was pressed.
WHEEL SPD UNMATCH Wheel speed became different from AT vehicle speed.
TIRE SLIP Wheel slipped.
PKB SW ON Parking brake is applied.
IGN LOW VOLT Power supply voltage became low.
SNOW MODE SW Snow mode switch was pressed.
NO RECORD —
Monitored Item [unit] ECU INPUT
SIGNALS MAIN
SIGNALS SELECTION
FROM
MENU Description
VHCL SPEED SE
[km/h] or [mph] ××× Indicates vehicle speed calculated from ICC unit through CAN
communication [ABS actuator and
electric unit (control unit)
transmits wheel speed sensor signal through CAN communica-
tion].
SET VHCL SPD
[km/h] or [mph] ××
Indicates set vehicle speed memorized in ICC unit.
THRTL OPENING
[%] ××× Indicates throttle angle read from ICC unit through CAN commu-
nication (ECM transmits throttle angle through CAN communica-
tion).
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AV-1
ELECTRICAL
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SECTION AV
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CONTENTS
AUDIO VISUAL, NAVIGATION & TELEPHONE SYS- TEM
SERVICE INFORMATION ............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
PREPARATION ...................................................4
Commercial Service Tool .................................... ......4
AUDIO .................................................................5
System Description ............................................. ......5
Component Parts Location ........................................6
Schematic - AUDIO - / with Navigation System ........7
Wiring Diagram - AUDIO - / with Navigation Sys-
tem ............................................................................
8
Schematic - AUDIO - without Navigation System ....18
Wiring Diagram - AUDIO - / without Navigation
System ....................................................................
19
Terminal and Reference Value for Audio Unit .........28
Terminal and Reference Value for BOSE Speaker
Amp .........................................................................
30
Terminal and Reference Value for A/C and AV
Switch ......................................................................
32
Terminal and Reference Value for Woofer ..............33
Terminal and Reference Value for Satellite Radio
Tuner ................................................................... ....
34
A/C and AV Switch Self-Diagnosis Function ...........34
Trouble Diagnosis ...................................................35
Power Supply Circuit Inspection .............................36
Audio Steering Wheel Switch Inspection ................37
A/C and AV Switch Inspection ................................39
BOSE Speaker Amp. Inspection .............................39
Vehicle Speed Signal Inspection .............................40
Locking CD Auto-Changer Mechanism ...................41
Removal and Installation of Audio Unit ...................41
Disassembly and Assembly of Audio Unit ...............42
Removal and Installation for A/C and AV Switch ....42
Removal and Installation for Front Door Speaker ....43
Removal and Installation for Rear Door Speaker ....43
Removal and Installation for Instrument Speaker ....43
Removal and Installation for Tweeter .................. ....44
Removal and Installation for Woofer (BOSE Sys-
tem) .........................................................................
44
Removal and Installation for BOSE Speaker Amp ....44
Removal and Installation of Satellite Radio Tuner ....45
Removal and Installation of Satellite Radio Anten-
na ......................................................................... ....
45
ANTENNA .........................................................46
System Description ..................................................46
Wiring Diagram - M/ANT - .......................................47
Terminal and Reference Value for Audio Unit .........48
Antenna Amp. Inspection ........................................48
Location of Antenna .................................................49
Window Antenna Repair ..........................................49
Removal and Installation of Roof Antenna ..............51
Removal and Installation of Satellite Radio Anten-
na ......................................................................... ....
51
INTEGRATED DISPLAY SYSTEM ...................52
System Description ..................................................52
Component Description ...........................................52
CAN Communication Unit ........................................53
Component Parts Location ......................................53
Schematic - INF/D - .................................................54
Wiring Diagram - INF/D - .........................................55
Schematic - COMM - ...............................................61
Wiring Diagram - COMM - .......................................62
Terminal and Reference Value for Display Control
Unit ...................................................................... ....
67
Terminal and Reference Value for Display ..............69
Terminal and Reference Value for A/C and AV
Switch ......................................................................
71
Special Note for Trouble Diagnosis .........................72
On Board Self-Diagnosis Function ..........................72
Self-Diagnosis Mode (DCU) ....................................73
Confirmation/Adjustment Mode ...............................75
CAN Diagnostic Support Monitor .............................77
A/C and AV Switch Self-Diagnosis Function ...........78
CAN Communication Check ....................................79
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AV-2
Unable to Operate System with A/C and AV
Switch .....................................................................
79
All Images Are Not Displayed .................................80
Tint Is Strange for the RGB Image .........................82
RGB Image Is Rolling .............................................84
Value for All Item in the TRIP Screen Do Not
Change ...................................................................
85
Value for Item, "Driving Distance" and "Average
Speed" Do Not Change ..........................................
85
Value for All Item in the FUEL ECONOMY Screen
Do Not Change .......................................................
85
Example of Symptom Possible No Malfunction ......86
Removal and Installation of Display .......................86
Removal and Installation of Display Control Unit ....86
Removal and Installation of A/C and AV Switch .. ...86
NAVIGATION SYSTEM .................................. ...87
System Description .............................................. ...87
Component Description ..........................................89
CAN Communication Unit .......................................91
Component Parts Location .....................................91
Schematic - NAVI - .................................................92
Wiring Diagram - NAVI - .........................................93
Schematic - COMM - .............................................100
Wiring Diagram - COMM - .....................................101
Terminal and Reference Value for NAVI Control
Unit ........................................................................
106
Terminal and Reference Value for Display Control
Unit ...................................................................... ..
107
Terminal and Reference Value for Display ............111
Terminal and Reference Value for A/C and AV
Switch ....................................................................
113
Special Note for Trouble Diagnosis .......................113
On Board Self-Diagnosis Function ........................113
Self-Diagnosis Mode (DCU) ..................................114
Self-Diagnosis Mode (NAVI) ..................................117
Confirmation/Adjustment Mode .............................119
CAN Diagnostic Support Monitor ...........................125
A/C and AV Switch Self-Diagnosis Function .........126
CAN Communication Check ..................................126
Unable to Operate System with A/C and AV
Switch ....................................................................
127
All Images Are Not Displayed ................................128
Status Screen for Audio and A/C Is Not Displayed
When Showing Map Screen ..................................
130
Vehicle Mark Is Not Displayed Properly ................131
Tint Is Strange for the RGB Image ........................132
Tint Is Strange for the RGB Image (Only NAVI
Screen) ..................................................................
133
RGB Image Is Rolling .......................................... .135
Value for All Item in the TRIP Screen Do Not
Change .................................................................
137
Value for Item, "Driving Distance" and "Average
Speed" Do Not Change .........................................
137
Value for All Item in the FUEL ECONOMY Screen
Do Not Change .....................................................
137
Voice Guidance Is Not Heard ...............................138
Example of Symptom Possible No Malfunction ....138
Removal and Installation of NAVI Control Unit .....141
Removal and Installation of GPS Antenna ........... .142
Removal and Installation of A/C and AV Switch ...142
Removal and Installation of Display Unit ............. .142
Removal and Installation of Display Control Unit ..142
INFINITI MOBILE ENTERTAINMENT SYS-
TEM ................................................................. ..
143
System Description .............................................. .143
Component Parts Location ...................................143
Wiring Diagram - MES - ........................................144
Terminal and Reference Value for DVD Player ....146
Terminal and Reference Value for DVD Display ...147
DVD Player Does Not Work ..................................148
Screen Is Not Shown (While Sounds Come Out of
an Audio Speaker, Did Not Do of a Head Phone) .
150
Screen Is not Shown (Sounds Come Out of Both
an Audio Speaker and a Head Phone) .................
151
Head Phone Does Not Sound ...............................152
Remote Controller Does Not Work .......................153
No CD·DVD Sound from All Speakers ..................154
Removal and Installation for DVD Player ..............155
Removal and Installation for DVD Display Unit .....156
TELEPHONE .................................................. ..158
System Description .............................................. .158
Component Parts Location ...................................159
Schematic .............................................................160
Wiring Diagram - H/PHON - ..................................161
Terminal and Reference Value for TEL Adapter
Unit ........................................................................
166
Self-Diagnosis Function ........................................167
Basic Inspection of Hands-Free Phone ................168
Audio Steering Wheel Switch Does Not Operate ..169
Voice Activated Control Function Does Not Oper-
ate .........................................................................
170
Removal and Installation of TEL Adapter Unit ......172
Removal and Installation for TEL Antenna .......... .172
Removal and Installation of Microphone ...............173
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AV-78
< SERVICE INFORMATION >
INTEGRATED DISPLAY SYSTEM
4. The initial trouble diagnosis screen will be shown, and items“Self Diagnosis (DCU)”, “Confirmation/Adjustment” and “CAN
DIAG SUPPORT MONITOR” will become selective.
5. Select “CAN DIAG SUPPORT MONITOR”.
6. The transmitting/receiving of CAN communication can be moni-
tored.
NOTE:
Counter shows the status of CAN communication.
A/C and AV Switch Self-Diagnosis FunctionINFOID:0000000001328726
Performing self-diagnosis makes it possible to check operation of A/C and AV switch indicator (LED) and other
switch.
STARTING THE SELF-DIAGNOSIS MODE
1. Turn ignition switch from OFF to ACC.
2. Within 10 seconds press and hold the switches “1” and “6” simultaneously for 3 seconds.
DIAGNOSIS FUNCTION
The following are checked: All the indicators (LED) in the A/C and AV switch.
 Continuity of the switches by sounding the buzze r when the A/C and AV switch and audio steering wheel
switch is pressed.
 Continuity of harness between A/C and AV switch and audio steering wheel switch.
NOTE:
SKIB7871E
Item Content Error counter
(Reference value)
CAN_COMM OK/NG 0 - 50
CAN_CIRC_1 OK/UNKWN 0 - 50
CAN_CIRC_2 OK/UNKWN 0 - 50
CAN_CIRC_3 OK/UNKWN 0 - 50
CAN_CIRC_4 OK/UNKWN 0 - 50
CAN_CIRC_5 OK/UNKWN 0 - 50
CAN_CIRC_6 OK/UNKWN 0 - 50
CAN_CIRC_7 OK/UNKWN 0 - 50
CAN_CIRC_8 OK/UNKWN 0 - 50
CAN_CIRC_9 OK/UNKWN 0 - 50
SKIA4288E
SKIB8744E
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AV-114
< SERVICE INFORMATION >
NAVIGATION SYSTEM
Self-Diagnosis Mode (DCU)
INFOID:0000000001328753
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system OFF.
3. While pressing the “4” button, turn the volume control dial clock- wise or counterclockwise for 30 clicks or more. (When the self-
diagnosis mode is started, a short beep will be heard.)
 Shifting from current screen to previous screen is performed
by pressing “BACK” button.
Mode Description
Self Diagnosis (DCU)  Display control unit diagnosis
 Analyzes connection between the display control unit and each unit, and
operation of each unit.
Self Diagnosis (NAVI)  NAVI control unit diagnosis (DVD-ROM drive will not be diagnosed when
no DVD-ROM is in it.).
 Analyzes connection between the NAVI control unit and the GPS anten-
na.
Confirmation/
Adjustment Display Diagnosis
Color tone and shading of the display control unit-generated image can be
checked by the display of a color bar and a gray scale.
Vehicle Signals Diagnosis of signals that are input to display control unit can be performed
for Vehicle Speed, IGN, Reverse and Light.
Auto Climate Control Refer to AT C - 4 3 , "
Self-Diagnosis Function".
Navigation Display Diagnosis
Color tone and shading of the NAVI control unit-generated image can be
checked by the display of a color bar and a gray scale.
Vehicle Signals Diagnosis of signals that are input to NAVI control unit can be performed for
Vehicle speed, Lights, Ignition and Reverse.
Navigation Steering An-
gle
Adjustment
This mode is used to correct difference between actual turning angle of a
vehicle and turning angle of the vehicle mark on the display.
Speed
Calibration Under ordinary conditions, the navigation system distance measuring func-
tion will automatically compensate for minute decreases in wheel and tire
diameter caused by tire wear or low-pressure. Speed Calibration can im-
mediately restore system accuracy in cases such as when distance calibra-
tion is needed because of the use of tire chains.
Error History Malfunctions that occurred in the past are displayed, along with the number
of times each has occurred. Time and location when/where the errors oc-
curred are also displayed.
Delete Unit Connection Log Erase the connection history of unit and error history.
CAN DIAG SUPPOPT MONITOR The transmitting/recei ving of CAN communication can be monitored.
SKIB8642E
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BL-1
BODY
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CONTENTS
BODY, LOCK & SECURITY SYSTEM
SERVICE INFORMATION .. ..........................4
DTC INDEX ..................................................... .....4
INTELLGENT KEY UNIT U1000 ...............................4
INTELLGENT KEY UNIT B2013-B2014 ............. ......4
ECM P1610-P1615 ...................................................4
PRECAUTIONS ...................................................5
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
5
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .....................................
5
Precaution for Work ..................................................5
PREPARATION ...................................................6
Special Service Tool ........................................... ......6
Commercial Service Tool ..........................................6
SQUEAK AND RATTLE TROUBLE DIAGNO-
SIS .......................................................................
7
Work Flow ........................................................... ......7
Generic Squeak and Rattle Troubleshooting ............9
Diagnostic Worksheet .............................................11
HOOD .................................................................13
Fitting Adjustment ............................................... ....13
Removal and Installation of Hood Assembly ...........14
Removal and Installation of Hood Lock Control ......15
Hood Lock Control Inspection ............................. ....16
RADIATOR CORE SUPPORT ...........................18
Removal and Installation ..................................... ....18
FRONT FENDER ................................................20
Removal and Installation ..................................... ....20
POWER DOOR LOCK SYSTEM ........................21
Component Parts and Harness Connector Loca-
tion ...................................................................... ....
21
System Description .................................................22
CAN Communication System Description ...............23
CAN Communication Unit .................................... ....23
Schematic/With Intelligent Key ................................24
Wiring Diagram - D/LOCK -/With Intelligent Key .....25
Schematic/Without Intellig ent Key ...........................30
Wiring Diagram - D/LOCK -/Without Intelligent
Key ...................................................................... ....
31
Terminal and Reference Value for BCM ..................35
Terminal and Reference Value for Intelligent Key
Unit (With Intelligent Key System) ...........................
35
Work Flow ................................................................36
CONSULT-III Function (BCM) .................................36
Trouble Diagnosis Chart by Symptom .....................37
Check BCM Power Supply and Ground Circuit .......37
Check Door Switch ..................................................38
Check Key Switch ....................................................42
Check Door Lock and Unlock Switch ......................43
Check Door Lock Actuator (Driver Side) .................45
Check Door Lock Actuator (Passenger Side and
Rear LH/RH) ............................................................
45
Check Fuel Lid Lock Actuator ..................................46
Check Front Door Key Cylinder Switch (Lock) ........47
Check Front Door Key Cylinder Switch (Unlock) .....47
Check Select Unlock Relay Circuit ..........................48
REMOTE KEYLESS ENTRY SYSTEM .............50
Component Parts and Harness Connector Loca-
tion ...........................................................................
50
System Description ..................................................50
CAN Communication System Description ...............53
CAN Communication Unit ........................................53
Schematic ................................................................54
Wiring Diagram - KEYLES - ....................................55
Terminal and Reference Value for BCM ..................58
Terminal and Reference Value for IPDM E/R ..........59
CONSULT-III Function (BCM) .................................60
Work Flow ................................................................62
Trouble Diagnosis Chart by Symptom .....................62
Check Key Fob Battery and Function ......................63
Check ACC Switch ..................................................64
Check Door Switch ..................................................65
Check Key Switch ....................................................68
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PRECAUTIONSBL-5
< SERVICE INFORMATION >
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PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001612892
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 Necessary for Steering Wh eel Rotation After Battery Disconnect
INFOID:0000000001612889
NOTE:
 This Procedure is applied only to models with Intell igent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).
 Remove and install all control units after disconnecti ng both battery cables with the ignition knob in the
″ LOCK ″ position.
 Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
Precaution for WorkINFOID:0000000001327777
 After removing and installing the opening/closing parts, be sure to carry out fitting adjustments to check their
operation.
 Check the lubrication level, damage, and wear of each part. If necessary, grease or replace it.
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BRC-8
< SERVICE INFORMATION >[VDC/TCS/ABS]
ON-VEHICLE SERVICE
ON-VEHICLE SERVICE
Adjustment of Steering Angl
e Sensor Neutral PositionINFOID:0000000001327658
In case of doing work that applies to the list below, make sure to adjust neutral position of steering angle sen-
sor before running vehicle.
CAUTION:
To adjust neutral position of steering angl e sensor, make sure to use CONSULT-III.
(Adjustment can not be done without CONSULT-III.)
1. Stop vehicle with front wheels in straight-ahead position.
2. Touch “WORK SUPPORT” and “ST ANGLE SENSOR ADJUSTMENT” on CONSULT-III screen in this order.
3. Touch “START”. CAUTION:
Do not touch steering wheel whil e adjusting steering angle sensor.
4. After approximately 10 seconds, touch “END”. (After approximately 60 seconds, it ends automatically.)
5. Turn ignition switch OFF, then turn it ON again. CAUTION:
Be sure to perform above operation.
6. Run vehicle with front wheels in straight-ahead position, then stop.
7. Select “DATA MONITOR”, “SELECTION FROM ME NU”, and “STR ANGLE SIG” on CONSULT-III screen.
Then make sure “STR ANGLE SIG” is within 0 ± 3.5 deg. If value is more than specification, repeat steps
1 to 6.
8. Erase memory of ABS actuator and electric unit (control unit) and ECM.
9. Turn ignition switch OFF.
Calibration of Decel G Sensor (AWD Models)INFOID:0000000001327659
NOTE:
After removing/installing or replacing yaw rate/side/dec el G sensor, ABS actuator and electric unit (control
unit), suspension components, or after adjusting wheel ali gnment, make sure to calibration of decel G sensor
before running vehicle.
CAUTION:
To calibrate decel G sensor, make sure to use CONS ULT-III. (Adjustment can not be done without CON-
SULT-III.)
1. Stop vehicle with front wheels in straight-ahead position.
CAUTION:
 The work should be done at a horizontal place when vehicle is in the unloaded vehicle condition.
 Keep all tires inflated to correct pressures. Ad just the tire pressure to the specified pressure
value.
2. Touch “WORK SUPPORT” and “DECEL G-SEN CALI BRATION” on CONSULT-III screen in this order.
3. Touch “START”. CAUTION:
Set vehicle as shown in the display.
4. After approximately 10 seconds, touch “END”. (After approximately 60 seconds, it ends automatically.)
Situation Adjustment of Steering Angle Sensor Neutral Position
Removing/Installing ABS actuator and electric unit (control unit) —
Replacing ABS actuator and electric unit (control unit) ×
Removing/Installing steering angle sensor ×
Removing/Installing steering components ×
Removing/Installing suspension components ×
Change 4 tires to new ones —
Tire rotation —
Adjusting wheel alignment ×
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TROUBLE DIAGNOSISBRC-31
< SERVICE INFORMATION > [VDC/TCS/ABS]
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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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TROUBLE DIAGNOSIS FOR SYSTEMBRC-45
< SERVICE INFORMATION > [VDC/TCS/ABS]
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2. Reconnect connectors and perform an 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 STEERING ANGLE SENSOR HARNESS
1. Check CAN communication circuit. Refer to BRC-48, "
DTC U1000 CAN COMM CIRCUIT".
2. Turn ignition switch OFF and disconnec t steering angle sensor connector M14.
3. Check continuity between steering angle sensor harness con- nector and ground.
4. Check voltage between steering angle sensor harness connec- tor and ground.
OK or NG
OK >> GO TO 4.
NG >> If the open or short in harness, repair or replace har- ness.
4.CHECK STEERING WHEEL PLAY
Check steering wheel play. Refer to PS-9, "
On-Vehicle Inspection and Service".
OK or NG
OK >> GO TO 5
NG >> Adjust steering wheel play.
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 ANGL E SIGNAL” to check if the status is normal.
OK or NG
OK >> Perform ABS actuator and electric unit (control unit) self-diagnosis again.
NG >> Replace steering angle sensor and adjust neutra l position of steering angle sensor. Refer to BRC-
8, "Adjustment of Steering Angle Sensor Neutral Position".
DTC C1144 ST ANG SEN SIGNALINFOID:0000000001327688
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS (1)
Check self-diagnostic results.
Steering angle sensor Ground Continuity
2—Yes
SFIA1189E
Steering angle sensor Ground Voltage
3— Battery voltage
(Approx. 12 V)
SFIA1190E
Steering condition Data monitor display
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
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