2008 NISSAN LATIO alarm

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.

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 >
C
D
E
F
G
H
J
K
L
MA
B
BL
N
O
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
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
MA
B
BL
N
O
P
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-204
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
3. Check continuity between BCM connector (A) M18 terminal 23
and combination meter connector (B) M24 terminal 18.
4. Check continuity between BCM connector (A) M18 terminal 23
and ground.
OK or NG
OK >> Check the following:
• 10A fuse [No. 13, located in fuse block (J/B)]
• Harness for open or short between combination meter and fuse
NG >> Repair or replace harness.
Diagnosis Procedure 3INFOID:0000000001704096
1.FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) CHECK
Check front door lock assembly LH (key cylinder switch) with key.
Do doors lock/unlock when using the key?
YES >> Front door lock assembly LH (key cylinder switch) is OK.
NO >> Check front door lock assembly LH (key cylinder switch) circuit. Refer to BL-47, "
Front Door Key
Cylinder Switch LH Check".
Diagnosis Procedure 4INFOID:0000000001704097
VEHICLE SECURITY HORN ALARM CHECK
1.CHECK HORN OPERATION
Check if horn sounds with horn switch.
Does horn operate?
YES >> Check harness for open or short between IPDM E/R and horn relay.
NO >> Check horn circuit. Refer to WW-37
.
Diagnosis Procedure 5INFOID:0000000001704098
VEHICLE SECURITY HEADLAMP ALARM CHECK
1.CHECK VEHICLE SECURITY HEADLAMP ALARM OPERATION
Check if headlamps operate with lighting switch.
Do headlamps come on when turning switch ON?
YES >> Headlamp alarm is OK.
NO >> Check headlamp system. Refer to LT- 4
or LT- 2 5.
Diagnosis Procedure 6INFOID:0000000001704099
DOOR LOCK/UNLOCK SWITCH CHECK
1.CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
Check if power door lock operates with door lock/unlock switch.
Do doors lock/unlock when using each door lock/unlock switch?
YES >> Door lock/unlock switch is OK.
NO >> Refer to BL-42, "
Door Lock and Unlock Switch Check".
Diagnosis Procedure 7INFOID:0000000001704100
DOOR SWITCH CHECK (SEDAN)
23 - 18 : Continuity should exist.
23 - Ground : Continuity should not exist.
WIIA1269E

LAN-24
< FUNCTION DIAGNOSIS >[CAN]
CAN COMMUNICATION SYSTEM
Engine coolant temperature signal T R
Engine speed signal T R R
Engine status signal T R
Fuel consumption monitor signal T R
Malfunction indicator lamp signal T R
Wide open throttle position signal T R R
A/C switch signal R T
Blower fan motor switch signal R T
Buzzer output signalTR
TR
Day time running light request signal
*3TR R
Door lock/unlock status signal T R
Door switch signal T R R R
Front wiper request signal T R
High beam request signal T R R
Horn chirp signal T R
Ignition switch signal T R
Low beam request signal T R
Position lights request signal T R R
Rear window defogger switch signal T R
Sleep/wake up signalRT
TRR R
Theft warning horn request signal T R
Tire pressure signal
*4TR
Trunk open/close status signal T R
Turn indicator signal T R
EPS operation signal R T
EPS warning lamp signal T R
Door lock/unlock/trunk open request signal R T
Hazard request signal R T
Ignition knob switch signal R T
KEY warning lamp signal T R
LOCK warning lamp signal T R
Panic alarm request signal R T
Fuel level sensor signal R T
Overdrive control switch signal T R R
P/N range signal T R
Stop lamp switch signal T R R
Vehicle speed signalRRR T
RRRT R
R
*5R*5T*5
ABS warning lamp signal R TSignal name/Connecting unit
ECM
BCM
EPS
I-KEY
M&A
ABS
TCM
*1
TCM
*2
IPDM-E

PG-24
< SERVICE INFORMATION >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
24 Y Cooling fan relay-3 Output —Conditions correct for cooling
fan high operationBattery voltage
Conditions not correct for
cooling fan high operation0V
26 OTail lamp relay (park-
ing lamps)Output — Lighting switch in 2nd position Battery voltage
27 BRTail lamp relay (park-
ing lamps)Output — Lighting switch in 2nd position Battery voltage
28 GRTail lamp relay (park-
ing lamps)Output — Lighting switch in 2nd position Battery voltage
29 PTail lamp relay (park-
ing lamps)Output — Lighting switch in 2nd position Battery voltage
30
(A/T
only)R Fuse 54 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
31 O Fuse 55 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
32 LWiper high speed sig-
nalOutputON or
STARTWiper switchOFF, LO, INT 0V
HI Battery voltage
33 YWiper low speed sig-
nalOutputON or
STARTWiper switchOFF 0V
LO or INT Battery voltage
35 BRStarter relay (inhibit
switch)InputON or
STARTSelector lever in "P" or "N"
(CVT or A/T) or clutch pedal
depressed (M/T)Battery voltage
Selector lever any other posi-
tion (CVT or A/T) or clutch
pedal released (M/T)0V
36 BR Fuel pump relay Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
37 G Oil pressure switch InputON or
STARTEngine running and oil pres-
sure within specificationBattery voltage
Engine not running or oil pres-
sure below specification0V
38 R Wiper auto stop signal InputON or
STARTWipers not in park position Battery voltage
Wipers in park position 0V
39 B Ground Input — — 0V
40 P CAN-L — ON — —
41 L CAN-H — ON — —
45 R Horn relay control Input —Horn switch PUSHED, alarm
switch activated or door lock/
unlock is confirmed when op-
erating lock system via the
keyfob0V
Horn switch released, alarm
not active, keyfob not activeBattery voltage
46 YThrottle control motor
relay controlInput —Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
47 GRFuel pump relay con-
trolInput —
Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage Te r m i n a lWire
colorSignal nameSignal
input/
outputMeasuring condition
Reference value
(Approx.) Ignition
switchOperation or condition