BL-174
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Terminal and Reference Value for IPDM E/R
INFOID:0000000001327911
CONSULT-III FunctionINFOID:0000000001327912
WORK SUPPORT
DATA MONITOR
62 W Front door switch
driver side signal Input ON (Open)
→ OFF (Closed) 0 → Battery voltage
63 P Rear door (LH) switch sig-
nal Input ON (Open)
→ OFF (Closed) 0 → Battery voltage
Terminal Wire color Item
Signal
Input/
output Condition
Voltage (V)
(Approx.)
Terminal Wire color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
20 LG Headlamp low (RH) Output Lighting switch 2ND position
ON
→ OFF Battery voltage
→ 0
27 BR Headlamp high (RH) Output Lighting switch HIGH or PASS
position
ON
→ OFF Battery voltage
→ 0
28 SB Headlamp high (LH) Output Lighting switch HIGH or PASS
position
ON
→ OFF Battery voltage
→ 0
30 GY Headlamp low (LH) Output Lighting switch 2ND position
ON
→ OFF Battery voltage
→ 0
38 B Ground (power) — — 0
48 L CAN-H Input/
Output ——
49 R CAN-L Input/
Output ——
51 SB Horn relay control signal Output Panic alarm is operating 0
Other than above Battery voltage
56 LG Hood switch signal Input ON (Open) → OFF (closed) 0 → Battery voltage
60 B Ground (signal) — — 0
BCM diagnosis test item Check item diagnosis test mode Content
Theft alm WORK SUPPORT Change setting of each function.
DATA MONITOR Displays the input data of BCM real time. ACTIVE TEST Gives a drive signal to a load to check the operation.
Test Item Description
SECURITY ALARM SET This mo de is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRG The switch which triggered vehicle security alarm is recorded. This mode is able to confirm and
erase the record of vehicle security alarm. The trigger data can be erased by touching “CLEAR” on
CONSULT-III screen.
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BL-192
< SERVICE INFORMATION >
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Terminal and Reference Value for BCM
INFOID:0000000001327929
*: With Intelligent Key system
CONSULT-III FunctionINFOID:0000000001327930
CONSULT-III DIAGNOSTIC TEST MODE FUNCTION
NATS SELF-DIAGNOSTIC RESULT ITEM CHART
32 R/B Steering lock unit com-
munication signal Output LOCKPress ignition knob with In-
telligent Key inside vehicle.
Other than the above 5
Te r -
minal Wire
color Signal designation Signal
Input/
output Measuring condition
Voltage (V)
(Approx.)
Ignition knob
position Operation or conditions
SIIA1911J
Te r -
minal Wire
color Signal designation Signal
Input/
output Measuring condition
Voltage (V)
(Approx.)
Ignition knob
position Operation or conditions
21 G/B NATS antenna amp. Input/
Output —
Ignition knob OFF
→ ON po-
sition Tester pointer should move just
after turning ignition knob “ON”
23 G/OR Security indicator lamp Output LOCK Goes OFF
→ illuminates (Ev-
ery 2.4 seconds) Battery voltage
→ 0
25 BR NATS antenna amp. Input/
Output —Ignition knob or switch OFF
→
ON position Tester pointer should move just
after turning ignition knob “ON”
37* B/W Key switch Input — Insert mechanical key into ig-
nition key cylinder
Battery voltage
Remove mechanical key
from ignition key cylinder 0
38 W/L Ignition power supply
(ON) Input ONIgnition knob ON or START
position Battery voltage
39 L CAN-H Input/
Output —— —
40 P CAN-L Input/
Output —— —
42 L/R Power source (Fuse) Input — — Battery voltage
49 B Ground — — — 0
52 B Ground — — — 0
55 G Power source (Fuse) Input — — Battery voltage
CONSULT-III DIAGNOSTIC TEST MODE Description
C/U INITIALIZATION When replacing any of the following three components, C/U initialization is necessary.
[IVIS (NATS) ignition key/ BCM/ ECM]
SELF- DIAGNOSTIC RESULTS Detected items (screen terms) are as shown in the chart.
PIN READ Individual control unit number can be read.
For future information,
refer to operation manual NATS-IVIS/NVIS
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BL-198
< SERVICE INFORMATION >
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
“LOCK MODE” displayed on CONSULT-III screen
1.CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “LOCK MO DE” is displayed on CONSULT-III screen.
Does CONSULT-III screen disp lay as shown in figure?
YES >> GO TO 2.
NO >> Refer to BL-195, "
Trouble Diagnosis Symptom Chart".
2.ESCAPE FROM LOCK MODE
1. Turn ignition switch OFF.
2. Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.
3. Return the key to OFF position. Wait 5 seconds.
4. Repeat steps 2 and 3 twice (total of three cycles).
5. Start the engine.
Does engine start?
YES >> System is OK (Now system is escaped from “LOCK MODE”).
NO >> GO TO 3.
3.PERFORM INITIALIZATION WITH CONSULT-III
Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT -III Operation Manual NATS-IVIS/NVIS”.
NOTE:
If the initialization is not completed or malf unction, CONSULT-III shows the message on the screen.
Can the system be initialized?
YES >> System is OK.
NO >> GO TO 4.
4.PERFORM INITIALIZATION WITH CONSULT-III AGAIN
1. Replace BCM.
2. Perform initialization with CONSULT-III. For initialization, refer to “CONSULT -III Operation Manual NATS-IVIS/NVIS”.
NOTE:
If the initialization is not completed or malf unctions, CONSULT-III shows the message on the screen.
Can the system be initialized?
YES >> System is OK. BCM is malfunctioning. Replace BCM.
Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT -III Operation Manual NATS-IVIS/NVIS”.
NO >> ECM is malfunctioning. Replace ECM.
Perform initialization or re-communicating function.
- For initialization, refer to “CONSULT -III Operation Manual NATS-IVIS/NVIS”.
- For re-communicating function, refer to BL-187, "
ECM Re-Communicating Function".
Diagnosis Procedure 5INFOID:0000000001327938
Self-diagnostic results:
“CHAIN OF IMMU-KEY” is displayed on CONSULT-III screen
1.CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm self-diagnostic results “CHAIN OF IM MU-KEY” is displayed on CONSULT-III screen.
Does CONSULT-III screen display as shown?
YES >> GO TO 2.
NO >> Refer to BL-195, "
Trouble Diagnosis Symptom Chart".
2.CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. Refer to BL-201, "
Removal and Installation NATS Antenna Amp".
OK or NG
OK >> GO TO 3.
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FRONT DISC BRAKEBR-23
< SERVICE INFORMATION >
C
DE
G H
I
J
K L
M A
B
BR
N
O P
2. Using a dial indicator, check runout.
CAUTION:
Before measuring, make sure that wheel bearing axle end
play is within the sp ecification. Refer to FA X - 4 , "
On-Vehicle
Inspection" (2WD models), FA X - 11 , "On-Vehicle Inspection"
(AWD models).
3. If runout is outside the limit, find the minimum runout point by shifting the mounting positions of disc rotor and wheel hub by one hole.
4. If runout is still outside the limit after performing the above operation, replace or lathe the disc rotor.
[When lathing, use the Pro-Cut PFM On-Car Br ake Lathe (Tool No, 38-PFM90.5) or equivalent.]
Thickness Inspection
Using a micrometer, check thickness of disc rotor. If thickness is out-
side the specification, replace disc rotor.
Brake Burnishing ProcedureINFOID:0000000001327632
Burnish brake pad contact surfaces of disc rotor according to following procedure after refinishing or replacing
drums or rotors, after replacing pads or linings, or if a soft pedal occurs at very low mileage.
CAUTION:
Be careful of vehicle speed because brake does no t operate easily until pad and disc rotor are
securely fitted.
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicl e within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted. Measurement point
: At a point 10.0 mm (0.394 in)
from outer edge of disc.
Runout limit : 0.04 mm (0.0016 in) or less
SBR019B
Standard thickness : 34.0 mm (1.339 in)
Wear limit : 32.0 mm (1.260 in)
Maximum uneven wear
(measured at 8 positions) : 0.015 mm (0.0006 in)
or less
SBR020B
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BR-30
< SERVICE INFORMATION >
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000001327639
Unit: mm (in)
Brake PedalINFOID:0000000001327640
Brake BoosterINFOID:0000000001327641
Vacuum type
Check ValveINFOID:0000000001327642
Front Disc BrakeINFOID:0000000001327643
Rear Disc BrakeINFOID:0000000001327644
Front brakeRotor outer diameter
× thickness 320 × 34 (12.598 × 1.339)
Pad length × width × thickness 130.0 × 50.0 × 11.0 (5.118 × 1.969 × 0.433)
Cylinder bore diameter 45.0 (1.772) × 2
Rear brake Rotor outer diameter
× thickness 308 × 16 (12.13 × 0.63)
Pad length × width × thickness 83.0 × 33.0 × 8.5 (3.268 × 1.299 × 0.335)
Cylinder bore diameter 42.86 (1.6874)
Master cylinder Cylinder bore diameter 25.4 (1.00)
Control valve Valve model Electric brake force distribution
Brake booster Diaphragm diameter Primary 228.5 (9.0)
Secondary 203.0 (8.0)
Recommended brake fluid DOT 3
Brake pedal height (from dash lower panel top surface) 161.5 − 171.5 mm (6.358 − 6.752 in)
Depressed pedal height
[under a force of 490 N (50 kg, 110 lb) with engine running] More than 95 mm (3.74 in)
Clearance between stopper rubber and the threaded end of stop lamp
switch and ASCD cancel switch (or brake switch) 0.74
− 1.96 mm (0.0291 − 0.0772 in)
Pedal play 3 − 11 mm (0.12 − 0.43 in)
Output rod length 15.6 − 15.9 mm (0.614 − 0.626 in)
Input rod length 126.5 mm (4.98 in)
Vacuum leakage
[at a vacuum of –66.7 kPa (–500 mmHg, –19.69 inHg)]Within vacuum of 1.3 kPa (10 mmHg, 0.39 inHg) for 15
seconds
Brake padStandard thickness 11.0 mm (0.433 in)
Repair limit thickness 2.0 mm (0.079 in)
Disc rotor Standard thickness 34.0 mm (1.339 in)
Wear limit 32.0 mm (1.260 in)
Maximum uneven wear (measured at 8 positions) 0.015mm (0.0006 in) or less
Runout limit (with the disc rotor attached to the vehicle) 0.04 mm (0.0016 in) or less
Brake pad
Standard thickness 8.5 mm (0.335 in)
Repair limit thickness 2.0 mm (0.079 in)
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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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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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