Infiniti G20 (P11). Manual — part 366
5
CHECK VEHICLE SECURITY LAMP RELAY CIRCUIT
1. Disconnect vehicle security lamp relay connector.
2. Check voltage between vehicle security lamp relay connector E48 terminals 3 (R) and 5 (R/G).
Battery voltage should exist.
3. Check voltage between vehicle security lamp relay connector E48 terminals 6 (R/W) and 7 (R/B).
Battery voltage should exist.
SEL957X
OK or NG
OK
©
Check harness for open or short between vehicle security lamp relay and control unit.
NG
©
Check the following.
I
15A fuse (No. 32 and 33, located in the fuse and fusible link box)
I
Harness for open or short between fuse and vehicle security lamp relay
I
Harness for open or short between vehicle security lamp relay and headlamps
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-241
Description
NCEL0124
The following systems are controlled by the smart entrance control unit.
I
Warning chime
I
Rear window defogger timer and door mirror defogger timer
I
Power door lock
I
Multi-remote control system
I
Vehicle security system
I
Interior room lamp timer
I
Electric sunroof and power window timer
I
Battery saver
For detailed description and wiring diagrams, refer to the relevant pages for the each system.
The smart entrance control unit receives data from the switches and sensors to control their corresponding
system relays and actuators.
INPUT/OUTPUT
NCEL0124S01
System
Input
Output
Power door lock
Door lock and unlock switch
Key switch (Insert)
Front door switch LH
Front door switch RH
Front door unlock sensor LH
Front door unlock sensor RH
Door key cylinder switches
Door lock actuator
Multi-remote control
Key switch (Insert)
Ignition switch (ACC)
Door switches
Door lock and unlock switch
Door unlock sensor (driver side)
Antenna (remote controller signal)
Horn relay
Vehicle security lamp relay
Interior room lamp
Multi-remote control relay
Door lock actuator
Trunk lid opener relay
Warning chime
Key switch (Insert)
Ignition switch (ON)
Lighting switch (1st)
Seat belt switch
Front door switch LH
Warning chime
Rear window defogger timer
and door mirror defogger timer
Ignition switch (ON)
Rear window defogger switch
Rear window defogger relay
Vehicle security
Ignition switch (ACC, ON)
Door switches
Hood switch
Trunk room lamp switch
Door key cylinder switches (lock/unlock)
Trunk lid key cylinder switch (unlock)
Door unlock sensors
Horn relay
Vehicle security lamp relay
Security indicator
Interior room lamp timer
Door switches
Door lock and unlock switch
Ignition switch (ON)
Key switch (Insert)
Interior room lamp
Electric sunroof and power
window timer
Ignition switch (ON)
Front door switches
Power window relay
Headlamp battery saver timer
Ignition switch (ON)
Front door switches
Headlamp battery saver control unit
Battery saver
Key switch (Insert)
Door switches
Door lock and unlock switch
Interior room lamp
Map lamp
SMART ENTRANCE CONTROL UNIT
Description
EL-242
BATTERY SAVER
NCEL0124S02
The lamp turns off automatically when the interior room lamp or/and map lamp is illuminated with the ignition
key in the OFF position, if the lamp remains lit by the door switch open signal or if the lamp switch is in the
ON position for more than 10 minutes.
After the battery saver system turns off the lamps, the lamps illuminate again when:
I
driver’s door is locked or unlocked,
I
door is opened or closed,
I
key is inserted in ignition key cylinder.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
SMART ENTRANCE CONTROL UNIT
Description (Cont’d)
EL-243
Schematic
NCEL0125
TEL778B
SMART ENTRANCE CONTROL UNIT
Schematic
EL-244
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