2009 NISSAN LATIO ignition

BL-110< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
*1: With continuously variable transmissi on (CVT) or automatic transmission (A/T).
*2: With manual transmission (M/T).
Steering Lock Solenoid Harn ess Connector Terminal Layout INFOID:0000000004305038
Terminal and Reference Valu e for Steering Lock Solenoid INFOID:0000000004305039
33 R
Rear floor antenna (+)
signal
LOCK• Any door open
→ all door close
• Press ignition knob switch: ON (Ignition knob switch)
34 G Rear floor antenna (-)
signal
37 BR Front outside antenna
RH (+) signal
LOCK Press door request switch RH.
38 Y Front outside antenna
RH (-) signal
Terminal
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch
Position Operation or Conditions PIIB5502J
SIIA1910J
WIIA1283E
Termi-
nal Wire
Color Signal Designation Condition
Voltage (V)Approx.
Ignition
Switch Posi- tion Operation or Conditions
1 P Battery power supply LOCK — Battery voltage
2 R Steering lock solenoid
power supply LOCK — 5
3 GR Steering lock solenoid
communication signal LOCKWhen Intelligent Key is inside ve-
hicle, press ignition knob switch.
Other than the above 5
4 BR Steering lock solenoid
ground — — 0 SIIA1911J

INTELLIGENT KEY SYSTEM
BL-111
< SERVICE INFORMATION >
C
D E
F
G H
J
K L
M A
B BL
N
O P
Terminal and Reference Value for BCM
INFOID:0000000004678889
Terminal Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
2 BR Combination switch
input 5 Input ONLighting, turn, wiper OFF
Wiper dial position 4
3 GR Combination switch
input 4 Input ONLighting, turn, wiper OFF
Wiper dial position 4
4 L Combination switch
input 3 Input ONLighting, turn, wiper OFF
Wiper dial position 4
5 G Combination switch
input 2
Input ONLighting, turn, wiper OFF
Wiper dial position 4
6 V Combination switch
input 1
7 7
BRFront door key cylin-
der switch LH (unlock) Input
OFFON (open, 2nd turn) Momentary 1.5V
OFF (closed) 0V
8 7
YFront door key cylin-
der switch LH (lock) InputOn (open) Momentary 1.5V
OFF (closed) 0V
9 W Rear window defogger
switch Input ONRear window defogger switch
ON 0V
Rear window defogger switch
OFF 5V
11 L Ignition switch (ACC
or ON) InputACC or
ON Ignition switch ACC or ON Battery voltage
12 SB Front door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
13 GR Rear door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
15 W Tire pressure warning
check connector Input OFF — 5V SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E

BL-112< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
18 V Remote keyless entry
receiver (ground) Output OFF — 0V
19 BR Remote keyless entry
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G Remote keyless entry
receiver signal (signal) Input OFFStand-by (keyfob buttons re-
leased)
When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)
21 P NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON) Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then return to battery voltage.
23 R Security indicator
lamp Output OFFGoes OFF
→ illuminates (Ev-
ery 2.4 seconds) Battery voltage
→ 0V
25 LG NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON) Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then
return to battery voltage.
26 GR Thermo control amp. Input ON A/C switch ON
27 O Compressor ON sig-
nal Input ONA/C switch OFF 5V
A/C switch ON 0V
28 P Front blower monitor Input ON Front blower motor OFF Battery voltage
Front blower motor ON 0V
29 L Hazard switch Input OFF ON 0V
OFF 5V
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition LIIA1893E
LIIA1894E
LIIA1895E
ZJIA0719J

INTELLIGENT KEY SYSTEM
BL-113
< SERVICE INFORMATION >
C
D E
F
G H
J
K L
M A
B BL
N
O P
30
1
VBack door/trunk out-
put Output —Back door open (switch
closed) 0V
Back door closed (switch
open) 5V
30 3
VBack door opener
switch Input —All doors locked (SW OFF) Battery voltage
All doors unlocked (SW ON) 0V
30 4
VTrunk lid opener
switch Input —All doors locked (SW OFF) Battery voltage
All doors unlocked (SW ON) 0V
32 LG Combination switch
output 5 Output ONLighting, turn, wiper OFF
Wiper dial position 4
33 Y Combination switch
output 4 Output ON
Lighting, turn, wiper OFF
Wiper dial position 4
34 V Combination switch
output 3 Output ONLighting, turn, wiper OFF
Wiper dial position 4
35 R Combination switch
output 2
Output ONLighting, turn, wiper OFF
Wiper dial position 4
36 P Combination switch
output 1
37 1
GKey switch and igni-
tion knob switch Input OFFIntelligent Key inserted Battery voltage
Intelligent Key removed 0V
37 2
GKey switch and key
lock solenoid Input OFFKey inserted Battery voltage
Key removed 0V
38 W Ignition switch (ON) Input ON — Battery voltage
39 L CAN-H — — — —
40 P CAN-L — — — —
41 6
WTrunk key cylinder
switch Input —ON (Full unlock position) 0V
OFF (Neutral position) 5V
42 6
Y Trunk lamp switch Input OFF ON (trunk open) 0V
OFF (trunk closed) Battery voltage
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E

BL-114< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
43 5
R Back door switch Input OFF ON (open) 0V
OFF (closed) Ba ttery voltage
44 5
LG Rear wiper auto stop Input ON Rear wiper operating 0
Rear wiper stopped Battery
45 7
GR Lock switch Input OFF ON (lock) 0V
OFF Battery voltage
46 7
L Unlock switch Input OFF ON (unlock) 0V
OFF Battery voltage
47 BR Front door switch LH Input OFF ON (open) 0V
OFF (closed) Ba ttery voltage
48 O Rear door switch LH Input OFF ON (open) 0V
OFF (closed) Ba ttery voltage
49 P Luggage room lamp Output OFF Any door open (ON) 0V
All doors closed (OFF) Battery voltage
50 SB A/C indicator Output ON A/C OFF 0
A/C ON Battery voltage
53 5
RBack door lock assem-
bly (actuator) Output OFF Back door (open) Battery voltage
53 6
RTrunk lamp switch and
trunk release solenoid Output OFF Trunk lid (open) Battery voltage
55 5
VRear wiper motor out-
put Output ONOFF 0
ON Battery voltage
56 R Battery saver output Output OFF
30 minutes after ignition
switch is turned OFF 0V
ON — Battery voltage
57 LG Battery power supply Input OFF — Battery voltage
59 7
GFront door lock actua-
tor LH (unlock) Output OFFOFF (neutral) 0V
ON (unlock) Battery voltage
60 V Turn signal (left) Output ON Turn left ON
61 W Turn signal (right) Output ON Turn right ON
63 BR Interior room lamp Output OFF Any door
switch ON (open) 0V
OFF (closed) Battery voltage
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition SKIA3009J
SKIA3009J

BL
N
O P
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
Trouble Diagnosis Procedure INFOID:0000000004305041
PRELIMINARY CHECK Configuration " .
OK or NG OK >> GO TO 3
NG >> Change BCM configuration for "I-KEY" to "WITH". Refer to BCS-18, " Configuration " .
Intelligent Key Battery Replacement " .
The engine cannot be started by all Intelligent Keys >> GO TO 4 65
7
SBAll door lock actuators
(lock) Output OFFOFF (neutral) 0V
ON (lock) Battery voltage
66 7
GFront 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 8
LPower 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 8
P Battery power supply
OutputOFF
— Battery voltage
70 Y Battery power supply Input OFF — Battery voltage
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition

BL
N
O P
• Intelligent Key button
OK or NG OK >> GO TO 6
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
System
Description " .
OK or NG OK >> GO TO 7
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
System
Description " .
OK or NG OK >> Inspection End.
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
CONSULT-III Functions (INTELLIGENT KEY) INFOID:0000000004305042
CONSULT-III can display each diagnostic item using the diagnostic test modes as shown below.
CONSULT-III Application Item INFOID:0000000004305043
SELF-DIAGNOSTIC RESULTS
DATA MONITOR Part to be diagnosed Test item, Diagnosis mode Description
Intelligent Key WORK SUPPORT Changes settings for each function.
SELF-DIAG RESULTS Intelligent Key unit performs CAN communication diagnosis.
DATA MONITOR Displays Intelligent Key unit input data in real time.
CAN DIAGNOSTIC SUPPORT
MONITOR The results of transmit/receive diagnosis of CAN Communication can
be read.
ACTIVE TEST Operation of electrical loads can be checked by sending driving signal
to them.
ECU PART NUMBER Displays Intelligent Key unit part No. Self-diag results Description Diagnosis procedure Reference page
CAN COMM Malfunction is detected in CAN co mmunication. Check CAN communication system. BL-126CAN COMM2 Intelligent Key unit internal malfunction Check CAN communication system.
BL-126STRG COMM
Malfunction is detected in communication of Intelli-
gent Key unit and steering lock solenoid. Check steering lock solenoid.
BL-147I-KEY C/U Intelligent Key unit internal ma
lfunction Replace Intelligent Key unit. BL-158IMMU NATS malfunction Check NATS.
BL-248Monitor item Content
PUSH SW Indicates [ON/OFF] condition of ignition knob switch.
KEY SW Indicates [ON/OFF] condition of key switch.
DR REQ SW Indicates [ON/OFF] condition of door request switch (driver side).
AS REQ SW Indicates [ON/OFF] condition of door request switch (passenger side).
BD/TR REQ SW Indicates [ON/OFF] condition of back door request switch.

Test item Description
DOOR LOCK/UNLOCK This test is able to check door lock/unlock operation.
• The all door lock actuators are unlocked when “ALL UNLK” on CONSULT-III screen is touched.
• The all door lock actuators are locked when “LOCK” on CONSULT-III screen is touched.
ANTENNA This test is able to check Intelligent Key antenna operation.
When the following conditions are met, hazard warning lamps flash.
• Inside key antenna (front console) detects Intelligent Key, when “ROOM ANT1” on CONSULT- III screen is touched.
• Inside key antenna (instrument panel and rear floor) detects Intelligent Key, when “ROOM
ANT2” on CONSULT-III screen is touched.
• Outside key antenna (driver side) detects Intelligent Key, when “DRIVER ANT” on CONSULT-III screen is touched.
• Outside key antenna (passenger side) detects Intelligent Key, when “ASSIST ANT” on CON- SULT-III screen is touched.
• Outside key antenna (rear bumper) detects Intelligent Key, when “BK DOOR ANT” on CON-
SULT-III screen is touched.
OUTSIDE BUZZER(S)
(DRIVER DOOR), (TRUNK) *This test is able to check Intelligent Key warning buzzer operation.
Intelligent Key warning buzzer sounds when “ON” on CONSULT-III screen is touched.
INSIDE BUZZER
(CHIME) This test is able to check Intelligent Key warning chime (Instrument panel) operation.
• Take away warning chime sounds when “TAKE OUT” on CONSULT-III screen is touched.
• Ignition switch warning chime sounds when “KNOB” on CONSULT-III screen is touched.
• Ignition key warning chime sounds when “KEY” on CONSULT-III screen is touched.
INDICATOR This test is able to check warning lamp operation.
• “KEY” Warning lamp (Green) illuminates when “BLUE ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp (Red) illuminates when “RED ON” on CONSULT-III screen is touched.
• “LOCK” Warning lamp illuminates when “KNOB ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp (Green) flashes when “BLUE IND” on CONSULT-III screen is touched.
• “KEY” Warning lamp (RED) flashes when “BLUE IND” on CONSULT-III screen is touched.
• “P-SHIFT” Warning lamp flashes when “K NOB ON” on CONSULT-III screen is touched.