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NATS (NISSAN ANTI-THEFT SYSTEM) ...........84
System Diagram ......................................................84
System Description .................................................84
Component Parts Location ......................................85
Component Description ..........................................86
DIAGNOSIS SYSTEM (BCM) ............................87
COMMON ITEM .........................................................87
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
87
IMMU ..........................................................................87
IMMU : CONSULT-III Function (BCM - IMMU) .......87
THEFT ALM ...............................................................88
THEFT ALM : CONSULT-III Function (BCM -
THEFT ALM) ...........................................................
88
COMPONENT DIAGNOSIS .........................90
U1000 CAN COMM CIRCUIT .............................90
Description ..............................................................90
DTC Logic ...............................................................90
Diagnosis Procedure ...............................................90
U1010 CONTROL UNIT (CAN) ..........................91
DTC Logic ...............................................................91
Diagnosis Procedure ...............................................91
Special Repair Requirement ...................................91
B2190, P1614 NATS ANTENNA AMP. ..............92
Description ..............................................................92
DTC Logic ...............................................................92
Diagnosis Procedure ...............................................92
B2191, P1615 DIFFERENCE OF KEY ...............94
Description ..............................................................94
DTC Logic ...............................................................94
Diagnosis Procedure ...............................................94
B2192, P1611 ID DISCORD, IMMU-ECM ..........95
Description ..............................................................95
DTC Logic ...............................................................95
Diagnosis Procedure ...............................................95
B2193, P1612 CHAIN OF ECM-IMMU ...............97
Description ..............................................................97
DTC Logic ...............................................................97
Diagnosis Procedure ...............................................97
B2196 DONGLE NG ...........................................98
Description ...............................................................98
DTC Logic ................................................................98
Diagnosis Procedure ...............................................98
P1610 LOCK MODE .........................................99
Description ...............................................................99
DTC Logic ................................................................99
Diagnosis Procedure ...............................................99
POWER SUPPLY AND GROUND CIRCUIT ..100
BCM .........................................................................100
BCM : Diagnosis Procedure ..................................100
VEHICLE SECURITY INDICATOR .................101
Description .............................................................101
Component Function Check ................................101
Diagnosis Procedure .............................................101
SECURITY SYSTEM PRE-WIRING ................103
Wiring Diagram - SECURITY SYSTEM PRE-WIR-
ING - ......................................................................
103
ECU DIAGNOSIS .......................................106
BCM (BODY CONTROL MODULE) ...............106
Reference Value ....................................................106
Wiring Diagram - NATS - .......................................106
Fail Safe ................................................................111
DTC Inspection Priority Chart .............................113
DTC Index .............................................................113
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ..............
114
Reference Value ....................................................114
Fail Safe ................................................................114
DTC Index .............................................................115
SYMPTOM DIAGNOSIS ............................116
VEHICLE SECURITY SYSTEM SYMPTOMS .116
Symptom Table .....................................................116
NATS (NISSAN ANTI-THEFT SYSTEM)
SYMPTOMS ....................................................
117
Symptom Table .....................................................117
ON-VEHICLE MAINTENANCE ..................118
PRE-INSPECTION FOR DIAGNOSTIC ..........118
Basic Inspection ....................................................118
Page 4646 of 5883
![NISSAN TIIDA 2007 Service Repair Manual U1000 CAN COMM CIRCUIT
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000001404050
CAN (C NISSAN TIIDA 2007 Service Repair Manual U1000 CAN COMM CIRCUIT
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U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000001404050
CAN (C](/manual-img/5/57395/w960_57395-4645.png)
U1000 CAN COMM CIRCUIT
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000001404050
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart, refer to XX-XX, "*****"
.
DTC LogicINFOID:0000000001404051
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000001404052
1.PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result”.
Is
“CAN COMM CIRCUIT” displayed?
YES >> Refer to XX-XX, "*****".
NO >> Refer to XX-XX, "*****"
.
DTCCONSULT-III display
descriptionDTC Detection Condition Possible cause
U1000 CAN COMM CIRCUITWhen Intelligent Key unit cannot communi-
cate CAN communication signal continuous-
ly for 2 seconds or more.In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
Transmission
Receiving (BCM)
Receiving (ECM)
Receiving (METER/M&A)
Page 4647 of 5883
![NISSAN TIIDA 2007 Service Repair Manual SEC-22
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000001404053
CAN (Controller Area Network) is a serial communication NISSAN TIIDA 2007 Service Repair Manual SEC-22
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000001404053
CAN (Controller Area Network) is a serial communication](/manual-img/5/57395/w960_57395-4646.png)
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U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000001404053
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart, refer to XX-XX, "*****"
.
DTC LogicINFOID:0000000001404054
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000001404055
1.REPLACE INTELLIGENT KEY UNIT
When DTC [U1010] is detected, replace Intelligent Key unit.
>> Replace Intelligent Key unit.
Special Repair RequirementINFOID:0000000001404056
1.REQUIRED WORK WHEN REPLACING INTELLIGENT KEY UNIT
Initialize control unit. Refer to CONSULT-III Operation Manual.
>> Work end.
DTCCONSULT-III display de-
scriptionDTC Detection Condition Possible cause
U1010 CONTROL UNIT (CAN)When detecting error during the initial diagnosis of CAN control-
ler of Intelligent Key unit.Intelligent Key unit
Page 4676 of 5883
SECURITY SYSTEM PRE-WIRING
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Wiring Diagram - SECURITY SYSTEM PRE-WIRING -INFOID:0000000001532179
ALKWA0086GB
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SECURITY SYSTEM PRE-WIRING
ALKIA1251GB
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SECURITY SYSTEM PRE-WIRING
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Page 4680 of 5883
BCM (BODY CONTROL MODULE)
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Wiring Diagram - INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION -
INFOID:0000000001404122
ALKWA0089GB
Page 4688 of 5883
BCM (BODY CONTROL MODULE)
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Wiring Diagram - NATS -INFOID:0000000001404124
ALKWA0092GB