2008 NISSAN LATIO key

BL-190
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
• from IPDM E/R terminal 45
• to horn relay terminal 1.
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from keyfob or Intelligent
Key.
CAN Communication System DescriptionINFOID:0000000001704085
Refer to LAN-6.

VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-195
< SERVICE INFORMATION >
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Terminal and Reference Value for BCMINFOID:0000000001704088
Refer to BCS-11, "Terminal and Reference Value for BCM".
Terminal and Reference Value for Intelligent Key UnitINFOID:0000000001704089
Refer to BL-96, "Terminal and Reference Value for Intelligent Key Unit".
LIWA0555E

BL-196
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
CONSULT-III Function (BCM)
INFOID:0000000001704090
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-III APPLICATION ITEM
Work Support
Data Monitor
* : With remote keyless entry system
** : With Intelligent Key systemBCM
diagnostic test itemDiagnostic mode Description
Inspection by partWORK SUPPORTSupports inspections and adjustments. Commands are transmitted to the
BCM for setting the status suitable for required operation, input/output sig-
nals are received from the BCM and received date is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TESTOperation of electrical loads can be checked by sending drive signal to
them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTRThe result of transmit/receive diagnosis of CAN communication can be
read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.
Test Item Description
SECURITY ALARM SET This mode can confirm and change security alarm ON-OFF setting.
THEFT ALM TRGThe 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.
Monitored Item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
KEYLESS LOCK* Indicates [ON/OFF] condition of lock signal from keyfob.
KEYLESS UNLOCK* Indicates [ON/OFF] condition of unlock signal from keyfob.
I-KEY LOCK** Indicates [ON/OFF] condition of lock signal from keyfob.
I-KEY UNLOCK** Indicates [ON/OFF] condition of unlock signal from keyfob.
I-KEY TRUNK** Indicates [ON/OFF] condition of trunk open signal from keyfob.
TRNK OPNR SW Indicates [ON/OFF] condition of trunk opener switch.
TRUNK CYL SW Indicates [ON/OFF] condition of trunk key cylinder switch.
TRNK OPN MNTR Indicates [ON/OFF] condition of trunk lid status.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch LH.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW Indicates [ON/OFF] condition of back door switch.
KEY CYL LK SW Indicates [ON/OFF] condition of lock signal from key cylinder switch.
KEY CYL UN SW Indicates [ON/OFF] condition of unlock signal from key cylinder switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock/unlock switch LH and RH.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock/unlock switch LH and RH.

VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-197
< SERVICE INFORMATION >
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P Active Test
Trouble DiagnosisINFOID:0000000001704091
WORK FLOW
• For “POWER DOOR LOCK SYSTEM” diagnosis, refer to BL-22.
• For "INTELLIGENT KEY SYSTEM” diagnosis, refer to BL-74
.
• For “REMOTE KEYLESS ENTRY SYSTEM” diagnosis, refer to BL-51
.
Preliminary CheckINFOID:0000000001704092
1.CHECK BCM CONFIGURATION
Confirm BCM configuration for "THEFT ALARM" is set to "WITH". Refer to BCS-17, "
Configuration".
OK or NG
OK >> Proceed with the preliminary check to verify system operation.
NG >> Change BCM configuration for "THEFT ALARM" to "WITH". Refer to BCS-17, "
Configuration".
Test Item Description
THEFT INDThis test is able to check security indicator lamp operation. The lamp will be turned on when “ON”
on CONSULT-III screen is touched.
VEHICLE SECURITY HORNThis test is able to check vehicle security horn operation. The horns will be activated for 0.5 sec-
onds after “ON” on CONSULT-III screen is touched.
HEADLAMP (HI)This test is able to check vehicle security lamp operation. The headlamps will be activated for 0.5
seconds after “ON” on CONSULT-III screen is touched.
LIIA2635E

VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-199
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Symptom ChartINFOID:0000000001704093
SYMPTOM PROCEDURE Diagnostic procedure
1Vehicle security
system cannot be
set by ····AII itemsDiagnostic Procedure 1 (Door switch check) (Hatchback)
Refer to BL-200, "
Diagnosis Procedure 1".
Diagnostic Procedure 7 (Door switch check) (Sedan)
Refer to BL-204, "
Diagnosis Procedure 7".
Diagnostic Procedure 8 (Trunk switch check) (Sedan)
Refer to BL-206, "
Diagnosis Procedure 8".
If the above systems are “OK”, replace BCM. Refer to BCS-18, "
Removal
and Installation of BCM".
Lock/unlock switchDiagnostic Procedure 6 (Door lock/unlock switch check)
Refer to BL-204, "
Diagnosis Procedure 6".
If the above systems are “OK”, check main power window and door lock/un-
lock switch. Refer to GW-18
.
Door outside key (driver)Diagnostic Procedure 3 (Door key cylinder switch check)
Refer to BL-204, "
Diagnosis Procedure 3".
If the above systems are “OK”, check main power window and door lock/un-
lock switch. Refer to GW-18
.
Intelligent keyCheck Intelligent Key entry function. Refer to BL-76, "
System Description"
If the above systems are “OK”, replace BCM. Refer to BCS-18, "Removal
and Installation of BCM".
Keyfob (without Intelligent Key)Check remote keyless entry function. Refer to BL-58, "
Preliminary Check".
If the above systems are “OK”, replace BCM. Refer to BCS-18, "
Removal
and Installation of BCM".
2Security indicator
does not turn
“ON”.Security indicator lampDiagnostic Procedure 2 (Security indicator lamp check)
Refer to BL-203, "
Diagnosis Procedure 2".
If the above systems are “OK”, replace BCM. Refer to BCS-18, "
Removal
and Installation of BCM".
3*1 Vehicle security
system does not
alarm when ····Any door or trunk is opened.Diagnostic Procedure 1 (Door switch check) (hatchback)
Refer to BL-200, "
Diagnosis Procedure 1".
Diagnostic Procedure 7 (Door switch check) (Sedan)
Refer to BL-204, "
Diagnosis Procedure 7".
Diagnostic Procedure 8 (Trunk switch check) (Sedan)
Refer to BL-206, "
Diagnosis Procedure 8".
If the above systems are “OK”, replace BCM. Refer to BCS-18, "
Removal
and Installation of BCM".
4Vehicle security
alarm does not ac-
tivate.Horn alarmDiagnostic Procedure 4 (Vehicle security horn alarm check).
Refer to BL-204, "
Diagnosis Procedure 4".
If the above systems are “OK”, check horn system.
Refer to WW-37
.
Head lamp alarmDiagnostic Procedure 5 (Head lamp alarm check).
Refer to BL-204, "
Diagnosis Procedure 5".
If the above systems are “OK”, replace BCM. Refer to BCS-18, "
Removal
and Installation of BCM".

BL-200
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
*1 : Make sure the system is in the armed phase.
Diagnosis Procedure 1INFOID:0000000001704094
1-1 DOOR SWITCH CHECK (HATCHBACK)
1.CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–III. Refer to BL-36, "
CONSULT-III Function (BCM)".
• When doors are open:
• When doors are closed:
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
5Vehicle security
system cannot be
canceled by ····Door outside key (driver)Diagnostic Procedure 3 (Door key cylinder switch check).
Refer to BL-204, "
Diagnosis Procedure 3".
If the above systems are “OK”, check main power window and door lock/un-
lock switch. Refer to GW-18
.
Trunk key cylinder switch (se-
dan)Diagnostic Procedure 9 (Trunk key cylinder switch check) (Sedan)
Refer to BL-207, "
Diagnosis Procedure 9".
Intelligent keyCheck Intelligent Key entry function. Refer to BL-76, "
System Description"
If the above systems are “OK”, replace BCM. Refer to BCS-18, "Removal
and Installation of BCM".
Keyfob (without Intelligent Key)Check remote keyless entry function. Refer to BL-58, "
Preliminary Check".
If the above systems are “OK”, replace BCM. Refer to BCS-18, "
Removal
and Installation of BCM". SYMPTOM PROCEDURE Diagnostic procedure
DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
BACK DOOR SW : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF
DOOR SW-RL : OFF
DOOR SW-RR : OFF
BACK DOOR SW : OFF
Connector ItemTe r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
LIIA1041E

VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-201
< SERVICE INFORMATION >
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OK or NG
OK1 >> Door switch circuit is OK (without Intelligent Key).
OK2 >> GO TO 6 (with Intelligent Key).
NG >> GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector (B) B8 (front LH), B108 (front RH) terminal 2 or (C) B6
(rear LH), B116 (rear RH) terminal 1 or back door lock assembly connector (D) D405 terminal 3 and BCM
connectors (A) M18, M19 terminals 12, 13, 43, 47 and 48.
4. Check continuity between door switch connector (B) B8 (front
LH), B108 (front RH) terminal 2 or (C) B6 (rear LH), B116 (rear
RH) terminal 1 or back door lock assembly connector (D) D405
terminal 3 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR SWITCHES
FRONT AND REAR DOORS
Check continuity between front door switch terminal 2 or rear door
switch terminal 1 and exposed metal of switch while pressing and
releasing switch.
M18Front door
switch RH12
GroundOpen
↓
Closed0
↓
Battery voltage Rear door
switch RH13
M19Back door
switch43
Front door
switch LH47
Rear door
switch LH48
1 - 13 : Continuity should exist.
1 - 48 : Continuity should exist.
2 - 12 : Continuity should exist.
2 - 47 : Continuity should exist.
3 - 43 : Continuity should exist.
1 - Ground : Continuity should not exist.
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist.
WIIA1244E
Door switch is released : Continuity should exist.
Door switch is pushed : Continuity should not exist.
PIIB6899E

BL-202
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BACK DOOR
Check continuity between back door lock assembly connector (back
door switch) terminals 3 and 4 while pressing (closing back door)
and releasing (opening back door) switch.
OK or NG
OK1 >> (Front and rear doors) Switch circuit is OK.
OK2 >> (Back door) GO TO 4.
NG >> Replace door switch.
4.CHECK BACK DOOR SWITCH GROUND
Check continuity between back door lock assembly connector D405
terminal 4 and ground.
OK or NG
OK1 >> Back door switch circuit is OK (without Intelligent Key).
OK2 >> GO TO 5 (with Intelligent Key).
NG >> Repair or replace harness.
5.CHECK BACK DOOR SWITCH SIGNAL FOR SHORT
1. Disconnect Intelligent Key unit.
2. Check continuity between BCM connector M18 terminal 30 and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> Repair or replace harness.
6.CHECK BACK DOOR SWITCH SIGNAL FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and BCM.
3. Check continuity between Intelligent Key unit connector M52 (A) terminal 23 and BCM connector M18 (B)
terminal 30.When back door is open : Continuity should exist.
When back door is closed : Continuity should not exist.
WIIA1245E
4 - Ground : Continuity should exist.
WIIA1246E
30 - Ground : Continuity should not exist.
WIIA1299E