Infiniti G20 (P11). Manual — part 367
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TEL870B
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
SMART ENTRANCE CONTROL UNIT
Schematic (Cont’d)
EL-245
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Smart Entrance Control Unit Inspection Table
NCEL0126
Terminal
No.
Wire
color
Connections
Operated condition
Voltage
(Approximate
values)
2
G
Rear window defogger relay
OFF
,
ON (Ignition key is in “ON” position)
12V
,
0V
4
Y/G
Vehicle security lamp relay
When panic alarm is operated using remote controller
12V
,
0V
7
P
Multi-remote control relay
When doors are locked using remote controller
12V
,
0V
8
R/L
Interior room lamp
When interior lamp is operated using remote controller
(Lamp switch in “DOOR” position)
12V
,
0V
10
P
Power source (Fuse)
—
12V
11
W/L
Power source (C/B)
—
12V
12
L
Trunk lid opener relay
When trunk lid is unlocked using remote controller
12V
,
0V
13
P
Driver door lock actuator
Door lock & unlock switch
Free
0V
14
L
Passenger door lock actuator
Unlocked
12V
15
GY
Door lock actuators
Door lock & unlock switch
Free
0V
Locked
12V
16
B
Ground
—
—
17
GY/R
Battery saver
Battery saver is not operate
,
Operate
12V
,
0V
19
G/W
Horn relay
When doors are locked using remote controller with horn
chirp mode
12V
,
0V
21
G
Ignition switch (ACC)
“ACC” position
12V
22
W/R
Seat belt buckle switch
Unfasten
,
Fasten (Ignition key is in “ON” position)
0V
,
12V
23
GY
Door lock & unlock switches
Neutral
,
Locks
12V
,
0V
26
Y
Rear door unlock sensors
All doors are locked
,
One or more doors are unlocked
12V
,
0V
27
Y/B
Hood open signal
ON (Open)
,
OFF (Closed)
0V
,
12V
28
R/W
All door switches
OFF (Closed)
,
ON (Open)
12V
,
0V
29
SB
Driver door switch
OFF (Closed)
,
ON (Open)
12V
,
0V
30
LG/R
Door key cylinder unlock switch
OFF (Neutral)
,
ON (Unlocked)
12V
,
0V
31
BR/Y
Security indicator
Goes off
,
Illuminates
12V
,
0V
32
L
Ignition key switch (Insert)
key inserted
,
key removed from IGN key cylinder
12V
,
0V
33
G/R
Ignition switch (ON)
Ignition key is in “ON” position
12V
34
R/G
Tail lamp relay
1ST, 2ND positions: ON
,
OFF
12V
,
0V
35
G
Door lock & unlock switches
Neutral
,
Unlocks
12V
,
0V
36
Y/R
Driver door unlock sensor
Driver door: Locked
,
Unlocked
12V
,
0V
37
OR
Passenger door unlock sensor
Passenger door: Locked
,
Unlocked
12V
,
0V
38
R
Trunk room lamp switch
ON (Open)
,
OFF (Closed)
0V
,
12V
39
L/W
Rear window defogger switch
OFF
,
ON
12V
,
0V
40
R/L
Passenger door switch
OFF (Closed)
,
ON (Open)
12V
,
0V
41
Y
Door key cylinder lock switch
OFF (Neutral)
,
ON (Locked)
12V
,
0V
42
G/B
Trunk lid key unlock switch
OFF (Neutral)
,
ON (Unlock)
12V
,
0V
SMART ENTRANCE CONTROL UNIT
Smart Entrance Control Unit Inspection Table
EL-246
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Component Parts and Harness Connetor
Location
NCEL0174
SEL663W
NOTE:
If customer reports a “No Start” condition, request ALL KEYS to be brought to an INFINITI dealer in
case of an IVIS (NATS) malfunction.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
Component Parts and Harness Connetor Location
EL-247
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System Description
=NCEL0175
IVIS (INFINITI Vehicle Immobilizer System—NATS) has the following immobilizer functions:
I
Since only IVIS (NATS) ignition keys, whose ID nos. have been registered into the ECM and IMMU of IVIS
(NATS), allow the engine to run, operation of a stolen vehicle without a IVIS (NATS) registered key is pre-
vented by IVIS (NATS).
That is to say, IVIS (NATS) will immobilize the engine if someone tries to start it without the registered key
of IVIS (NATS).
I
All of the originally supplied ignition key IDs (except for card plate key) have been IVIS (NATS) registered.
If requested by the vehicle owner, a maximum of five key IDs can be registered into the IVIS (NATS) com-
ponents.
I
The security indicator blinks when the ignition switch is in “OFF” or “ACC” position. Therefore, IVIS (NATS)
warns outsiders that the vehicle is equipped with the anti-theft system.
I
When IVIS (NATS) detects trouble, the security indicator lamp lights up while ignition key is in the “ON”
position.
I
IVIS (NATS) trouble diagnoses, system initialization and additional registration of other IVIS (NATS) igni-
tion key IDs must be carried out using CONSULT-II hardware and CONSULT-II IVIS (NATS) software.
Regarding the procedures of IVIS (NATS) initialization and IVIS (NATS) ignition key ID registration, refer
to CONSULT-II operation manual, IVIS/NVIS.
I
When servicing a malfunction of the IVIS (indicated by lighting up of Security Indicator Lamp) or
registering another IVIS ignition key ID no., it is necessary to re-register original key identification.
Therefore, be sure to receive ALL KEYS from vehicle owner.
System Composition
NCEL0176
The immobilizer function of the IVIS (NATS) consists of the following:
I
IVIS (NATS) ignition key
I
IVIS (NATS) immobilizer control unit (IMMU) located in the ignition key cylinder
I
Engine control module (ECM)
I
Security indicator
SEL085WB
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
System Description
EL-248
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