2008 NISSAN LATIO diagram

INTELLIGENT KEY SYSTEM
BL-79
< SERVICE INFORMATION >
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P System Diagram
Door Lock/Unlock Function
• When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is sent from Intel-
ligent Key to Intelligent Key unit.
• Intelligent Key unit sends the door lock/unlock request signal to BCM via CAN communication line.
• Intelligent Key unit sends the door lock/unlock signal and sounds Intelligent Key warning buzzer(s)
(lock: 2 times, unlock: 1 time) at the same time.
• When BCM receives the door lock/unlock signal, it operates door lock actuator and flashes the hazard warn-
ing lamp (lock: 2 times, unlock: 1 time) at the same time as reminder.
Operation Condition
Hazard and Buzzer Reminder
When all doors are locked or unlocked by Intelligent Key button, Intelligent Key unit sends hazard request sig-
nal to BCM via CAN communication line.
BCM flashes hazard warning lamps as a reminder and Intelligent Key unit sounds Intelligent Key warning
buzzer as a reminder.
Operating function of hazard and buzzer reminder
Auto Door Lock Function
When all doors are locked, ignition knob switch is OFF (when ignition switch is not pressed) and key switch is
OFF (when mechanical key is out of ignition key cylinder), doors are unlocked with Intelligent Key button.
When Intelligent Key unit does not receive the following signals within 1 minute, all doors are locked.
• Door switch is ON (door is opened)
• Trunk lamp switch (sedan) is ON (trunk is opened)
• Door is locked
• Ignition knob switch is ON (ignition switch is pressed)
• Key switch is ON (mechanical key is inserted in ignition switch)
Auto door lock mode can be changed by “AUTO RELOCK TIMER” mode in “WORK SUPPORT”. Refer to BL-
101, "CONSULT-III Application Item".
Panic Alarm Function
When ignition knob switch is OFF (ignition switch is not pressed), or key switch is OFF (mechanical key is not
inserted in key cylinder), pressing and holding the panic alarm button on Intelligent Key will send a panic alarm
signal to Intelligent Key unit.
Intelligent Key unit sends alarm request signal to BCM via CAN communication line.
LIIA2927E
Remote controller operation Operation condition Operation
Lock All doors are closed All doors lock
Intelligent Key button operation Hazard warning lamp flash Intelligent Key warning buzzer(s)Horns
(High and low)
Lock Twice — Once
Unlock Once — —

BL-86
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Wiring Diagram - I/KEY -
INFOID:0000000001704002
WIWA2287E

BACK DOOR LOCK
BL-157
< SERVICE INFORMATION >
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• to back door lock assembly (actuator) terminal 2
• through body grounds B117, B132 and D402.
Then BCM operates back door lock assembly (actuator).
Wiring Diagram - B/DOOR -INFOID:0000000001704053
WITHOUT INTELLIGENT KEY SYSTEM
WIWA2289E

BL-174
< SERVICE INFORMATION >
TRUNK LID OPENER
• to trunk lamp switch and trunk release solenoid terminal 1
• through body grounds B117 and B132.
Then BCM operates trunk lamp switch and trunk release solenoid.
Wiring Diagram - TLID -INFOID:0000000001704071
WITHOUT INTELLIGENT KEY SYSTEM
WIWA2278E

BL-192
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Wiring Diagram - VEHSEC -
INFOID:0000000001704087
WIWA2281E

NATS (NISSAN ANTI-THEFT SYSTEM)
BL-213
< SERVICE INFORMATION >
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Wiring Diagram - NATS -INFOID:0000000001704107
Terminal and Reference Value for BCMINFOID:0000000001704108
Refer to BCS-11, "Terminal and Reference Value for BCM" .
CONSULT-III FunctionINFOID:0000000001704109
CONSULT-III INSPECTION PROCEDURE
WIWA2284E

BRC-1
BRAKES
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SECTION BRC
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CONTENTS
BRAKE CONTROL SYSTEM
ABS
SERVICE INFORMATION ............................
2
PRECAUTIONS ...................................................2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................
2
Precaution for Brake System ....................................2
Precaution for Brake Control .....................................2
Precaution for CAN System ......................................3
PREPARATION ...................................................4
Special Service Tool .................................................4
Commercial Service Tool ..........................................4
SYSTEM DESCRIPTION .....................................5
System Component ...................................................5
ABS Function ............................................................5
EBD Function ............................................................5
Fail-Safe Function .....................................................5
Hydraulic Circuit Diagram .........................................6
CAN COMMUNICATION .....................................7
System Description ...................................................7
TROUBLE DIAGNOSIS ......................................8
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ........................................................
8
Component Parts and Harness Connector Loca-
tion ..........................................................................
11
Schematic ...............................................................12
Wiring Diagram - ABS - ...........................................13
Basic Inspection ......................................................16
Warning Lamp and Indicator Timing ........................17
Control Unit Input/Output Signal Standard ..............17
CONSULT-III Function (ABS) ..................................18
TROUBLE DIAGNOSIS FOR SELF-DIAG-
NOSTIC ITEMS .................................................
24
Wheel Sensor System .............................................24
ABS Control Unit Inspection ....................................25
Solenoid Valve System Inspection ..........................25
Actuator Motor, Motor Relay, and Circuit Inspec-
tion ...........................................................................
26
ABS Control Unit Power and Ground Systems In-
spection ...................................................................
27
CAN Communication System Inspection .................28
TROUBLE DIAGNOSES FOR SYMPTOMS .....29
ABS Works Frequently ............................................29
Unexpected Pedal Action ........................................29
Long Stopping Distance ..........................................30
ABS Does Not Work ................................................30
Pedal Vibration or ABS Operation Noise .................30
WHEEL SENSORS ...........................................32
Removal and Installation .........................................32
SENSOR ROTOR ..............................................34
Removal and Installation .........................................34
ACTUATOR AND ELECTRIC UNIT (ASSEM-
BLY) ..................................................................
35
Removal and Installation .........................................35

BRC-6
< SERVICE INFORMATION >[ABS]
SYSTEM DESCRIPTION
2. For EBD malfunction, the EBD and ABS become inoperative, and the condition of the vehicle is the same
as the condition of vehicles without ABS or EBD system.
Hydraulic Circuit DiagramINFOID:0000000001703829
SFIA3082E