2011 NISSAN LATIO Service Repair Manual

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Page 761 of 3787

NISSAN LATIO 2011 Service Repair Manual NATS (NISSAN ANTI-THEFT SYSTEM)BL-251
< SERVICE INFORMATION >
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15 W Tire pressure warning
check connector
Input OFF
—5V
18 V Remote keyless entry
receiver (ground) O

Page 762 of 3787

NISSAN LATIO 2011 Service Repair Manual BL-252
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
301LGBack door/trunk lid in-
put Input —Back door/trunk lid opener
switch ON (closed) Battery voltage
↓0
↓
Battery voltage
Back do

Page 763 of 3787

NISSAN LATIO 2011 Service Repair Manual NATS (NISSAN ANTI-THEFT SYSTEM)BL-253
< SERVICE INFORMATION >
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426Y Trunk lamp switch Input OFF ON (trunk open)
0V
OFF (trunk closed) Battery voltage
43
5R Back door swi

Page 764 of 3787

NISSAN LATIO 2011 Service Repair Manual BL-254
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
1: With Intelligent Key
2: Without Intelligent Key
3: Hatchback without Intelligent Key
4: Sedan without Intelligent Key
5: Hatchback
6:

BL-254
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
1: With Intelligent Key
2: Without Intelligent Key
3: Hatchback without Intelligent Key
4: Sedan without Intelligent Key
5: Hatchback
6: Sedan
7: With power door locks
8: With power windows
CONSULT-III FunctionINFOID:0000000005929437
CONSULT-III DIAGNOSTIC TEST MODE FUNCTION
*: When replace ECM, refer to BL-247, "ECM Re-communicating Function" .
NOTE:
• When any initialization is performed, all ID previ ously registered will be erased and all NATS mechanical
keys must be registered again.
• The engine cannot be started with an unregistered key. In this case, the system will show “DIFFERENCE OF
KEY” or “LOCK MODE” as a self-diagnos tic result on the CONSULT-III screen.
• In rare case, “CHAIN OF ECM-IMMU” might be stored as a self-diagnostic result during key registration pro-
cedure, even if the system is not malfunctioning.
NATS SELF DIAGNOSTIC RESULT ITEM CHART
63 BR Interior room lamp Output OFF Any door
switchON (open)
0V
OFF (closed) Battery voltage
65
7SB All door lock actuators
(lock) Output OFFOFF (neutral)
0V
ON (lock) Battery voltage
66
7G Front door lock actua-
tor RH, rear door lock
actuators LH/RH (un-
lock) Output OFFOFF (neutral)
0V
ON (unlock) Battery voltage
67 B Ground Input ON—0V
68
8L Power window power
supply (RAP)
Output —Ignition switch ON
Battery voltage
Within 45 seconds after igni-
tion switch OFF Battery voltage
More than 45 seconds after ig-
nition switch OFF 0V
When front door LH or RH is
open or power window timer
operates 0V
69
8P Battery power supply OutputOFF
— Battery voltage
70 Y Battery power supply Input OFF —Battery voltage
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
Diagnostic mode
Description
C/U INITIALIZATION When replacing any of the following components, C/U initialization and re-registration of all
NATS mechanical keys are necessary.
[NATS mechanical key/ BCM/ ECM*]
SELF DIAGNOSTIC RESULT Detected items (screen terms) are as shown in the chart.
Refer to "NATS SELF-DIAGNOSTIC RESULTS ITEM CHART" .
Revision: May 2010
2011 Versa

Page 765 of 3787

NISSAN LATIO 2011 Service Repair Manual NATS (NISSAN ANTI-THEFT SYSTEM)BL-255
< SERVICE INFORMATION >
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Trouble Diagnosis ProcedureINFOID:0000000005929438
PRELIMINARY CHECK
1.GET SYMPTOMS
Listen to customer com

NATS (NISSAN ANTI-THEFT SYSTEM)BL-255
< SERVICE INFORMATION >
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Trouble Diagnosis ProcedureINFOID:0000000005929438
PRELIMINARY CHECK
1.GET SYMPTOMS
Listen to customer complain ts request. (Get symptoms)
NOTE:
If customer reports a “No start” condition, request all Intelligent Keys to be brought to the dealer in case of
Intelligent Key system malfunction.
Intelligent Key or mechanical key service request>> Fo r further information, refer to CONSULT-III operation
manual.
Malfunctions>>GO TO 2
2.START ENGINE WITH INTELLIGENT KEY (IF EQUIPPED)
Check if the engine could be started by all registered Intelligent Keys.
The engine cannot be started by some Intelligent Keys>>Int elligent Key is low battery or malfunction. Refer
to BL-158, "
Intelligent Key Battery Replacement" .
The engine cannot be started by all Intelligent Keys >> GO TO 3
The engine can be started by all Intelligent Keys >> GO TO 4
3.CHECK “KEY” WARNING LAMP ILLUMINATION
When pushing the ignition switch, check if “KEY” warning lamp in combination meter illuminates.
KEY warning lamp illuminates green >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart" .
KEY warning lamp illuminates red >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart" .
Does not illuminate >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart" .
4.START ENGINE WITH MECHANICAL KEY
Check if the engine could be started by all registered mechanical keys.
Detected items
[NATS program card screen terms] P No. Code
(Self-diagnostic result of “EN-
GINE”) Malfunction is detected when.....
Reference
page
CHAIN OF ECM-IMMU
[P1612] NATS MAL-
FUNCTION
P1612Communication impossible between ECM and BCM
In rare case, “CHAIN OF ECM-IMMU” might be stored
during key registration procedure, even if the system is not
malfunctioning.
BL-258
DIFFERENCE OF KEY
[P1615]NATS MAL-
FUNCTION
P1615BCM can receive the key ID signal but the result of ID ver-
ification between key ID and BCM is NG.
BL-264
CHAIN OF IMMU-KEY
[P1614]NATS MAL-
FUNCTION
P1614
BCM cannot receive the key ID signal.
BL-260
ID DISCORD, IMM-ECM
[P1611]NATS MAL-
FUNCTION
P1611The result of ID verification between BCM and ECM is NG.
System initialization is required.
BL-261
LOCK MODE
[P1610]NATS MAL-
FUNCTION
P1610When the starting operation is carried out five or more
times consecutively under the following conditions, NATS
will shift the mode to one which prevents the engine from
being started.
• Unregistered mechanical key is used.
• BCM or ECM’s malfunctioning.
BL-263
DON'T ERASE BEFORE CHECK-
ING ENG DIAG
—All engine trouble codes except NATS trouble code has
been detected in ECM.
BL-255
Revision: May 2010
2011 Versa

Page 766 of 3787

NISSAN LATIO 2011 Service Repair Manual BL-256
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
The engine can not be started by some mechanical keys >> Register mechanical key. Refer to CONSULT-III
operation manual.
The engine canno

Page 767 of 3787

NISSAN LATIO 2011 Service Repair Manual NATS (NISSAN ANTI-THEFT SYSTEM)BL-257
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This indication means that malfunction have been detected in NATS and engine control system.
>> GO TO 8
8

Page 768 of 3787

NISSAN LATIO 2011 Service Repair Manual BL-258
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
Self-diagnosis related item
• *: When NATS detects trouble, the security indicator lights up while ignition key is in the “ON” posi

BL-258
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
Self-diagnosis related item
• *: When NATS detects trouble, the security indicator lights up while ignition key is in the “ON” position.
SYMPTOM MATRIX CHART 2
Non self-diagnosis related item
*: CONSULT-III self-diagnostic results display screen “no malfunction is detected”.
Diagnosis Procedure 1INFOID:0000000005929440
Self-diagnostic results:
“CHAIN OF ECM-IMMU” displayed on CONSULT-III screen
First perform the “SELF-DIAG RESU LTS” in “BCM” with CONSULT-III, then perform the trouble diag-
nosis of malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-18, "
CAN Com-
munication Inspection Using CONSULT-III (Self-Diagnosis)" .
SYMPTOMDisplayed “SELF-DIAG
RESULTS” on CON- SULT-III screen. DIAGNOSTIC PROCE-
DURE
(Reference page) SYSTEM
(Malfunctioning part or mode)
• Security indicator lighting up*
• Engine cannot be started CHAIN OF ECM-IMMU
[P1612] PROCEDURE 1
(BL-258
) In rare case, “CHAIN OF ECM-IMMU” might be stored
during key registration procedure, even if the system is
not malfunctioning.
Open circuit in battery voltage line of BCM circuit
Open circuit in ignition line of BCM circuit
Open circuit in ground line of BCM circuit
Open or short circuit between BCM and ECM commu-
nication line
ECM
BCM
DIFFERENCE OF KEY [P1615] PROCEDURE 6
(BL-264
) Unregistered ignition key is used.
BCM is malfunctioning.
CHAIN OF IMMU-KEY [P1614] PROCEDURE 2
(BL-260
) Malfunction of key ID chip
Communication line between ANT/ AMP and BCM:
Open circuit or short circuit of battery voltage line or
ground line
Open circuit in power source line of ANT/ AMP circuit
Open circuit in ground line of ANT/ AMP circuit
NATS antenna amp.
BCM
ID DISCORD, IMM- ECM
[P1611] PROCEDURE 3
(BL-261
) System initialization has not yet been completed.
ECM
LOCK MODE [P1610] PROCEDURE 5
(BL-263
) When the starting operation is carried out five or more
times consecutively under the following conditions,
NATS will shift the mode to one which prevents the en-
gine from being started.
• Unregistered ignition key is used.
• BCM or ECM’s malfunctioning.
Security indicator
lighting up* DON'T ERASE BE-
FORE CHECKING ENG DIAG WORK FLOW
(BL-255
) Engine trouble data and NATS trouble data have been
detected in ECM
SYMPTOM
DIAGNOSTIC PROCEDURE
(Reference page) SYSTEM
(Malfunctioning part or mode)
Security indicator does not light up*. PROCEDURE 4
(BL-262
) Security indictor.
Open circuit between Fuse and BCM
BCM
Revision: May 2010
2011 Versa

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