Infiniti QX4 (R50). Manual — part 363
2
CHECK DOOR LOCK ACTUATOR
1. Disconnect door lock actuator connector.
2. Apply 12V direct current to door lock actuator and check operation.
SEL318X
SEL319X
OK or NG
OK
©
Check harness for open or short between smart entrance control unit connector and door
lock actuator.
NG
©
Replace door lock actuator.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-269
Component Parts and Harness Connector
Location
NBEL0111
SEL355X
System Description
NBEL0112
INPUTS
NBEL0112S01
Power is supplied at all times
I
to smart entrance control unit terminal 11
I
through circuit breaker
I
through 40A fusible link (letter f located in the fuse and fusible link box),
I
to key switch terminal 2, and
I
to smart entrance control unit terminal 10
I
through 7.5A fuse [No. 24, located in the fuse block (J/B)].
I
to multi-remote control relay terminals 1, 3 and 6
I
through 15A fuse [No. 20, located in the fuse block (J/B)].
I
to horn relay terminals 1 and 3
I
through 7.5A fuse [No. 52, located in the fuse block (J/B)].
I
to horn relay terminal 6
I
through 10A fuse [No. 54, located in the fuse block (J/B)].
When the ignition switch is in the ACC or ON position, power is supplied to smart entrance control unit termi-
nal 21.
When the key switch is ON (ignition key is inserted in key cylinder), power is supplied
I
through key switch terminal 1
I
to smart entrance control unit terminal 32.
MULTI-REMOTE CONTROL SYSTEM
Component Parts and Harness Connector Location
EL-270
When the front door switch LH is OPEN, ground is supplied
I
to smart entrance control unit terminal 29
I
through front door switch LH terminal 1
I
to front door switch LH terminal 2
I
through body grounds B11, B22 and D210.
When the front door switch RH is OPEN, ground is supplied
I
to smart entrance control unit terminal 40
I
through front door switch RH body ground.
When the other door switches are OPEN, ground is supplied
I
to smart entrance control unit terminal 28
I
through other door switches body grounds.
Remote controller signal is inputted to smart entrance control unit (The antenna of the system is combined
with smart entrance control unit).
OPERATION
NBEL0112S03
The multi-remote control system controls operation of the
I
power door lock
I
interior lamp
I
panic alarm
I
hazard and horn reminder
OPERATED PROCEDURE
NBEL0112S02
Power Door Lock Operation
NBEL0112S0201
Smart entrance control unit receives a LOCK signal from remote controller. Smart entrance control unit locks
all doors with input of LOCK signal from remote controller.
When an UNLOCK signal is sent from remote controller once, driver’s door will be unlocked.
Then, if an UNLOCK signal is sent from remote controller again within 5 seconds, all other door will be
unlocked.
Hazard and Horn Reminder
NBEL0112S0204
When smart entrance control unit receives LOCK or UNLOCK signal from remote controller with all doors
closed, ground is supplied
I
to multi-remote control relay terminal 2
I
through smart entrance control unit terminal 7, and
I
to horn relay terminal 2
I
through smart entrance control unit terminal 19
Multi-remote control relay and horn relay are now energized, and hazard warning lamp flashes and horn
sounds as a reminder.
The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).
Operating function of hazard and horn reminder
Horn chirp mode (C mode)
Non-horn chirp mode (S mode)
Hazard warning lamp
flash
Horn sound
Hazard warning lamp
flash
Horn sound
Lock
Twice
Once
Twice
—
Unlock
Once
—
—
—
How to change hazard and horn reminder mode
When LOCK and UNLOCK signals are sent from the remote controller for more than 2 seconds at the same
time, the hazard and horn reminder mode is changed and hazard warning lamp flashes and horn sounds as
follows:
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
MULTI-REMOTE CONTROL SYSTEM
System Description (Cont’d)
EL-271
SEL153WB
Interior Lamp Operation
NBEL0112S0202
When the following input signals are both supplied:
I
door switch CLOSED (when all the doors are closed);
I
driver’s door LOCKED;
multi-remote control system turns on interior lamp (for 30 seconds) with input of UNLOCK signal from remote
controller.
For detailed description, refer to “INTERIOR, SPOT, VANITY MIRROR AND LUGGAGE ROOM LAMPS” (EL-
88).
Panic Alarm Operation
NBEL0112S0203
When key switch is OFF (when ignition key is not inserted in key cylinder), multi-remote control system turns
on and off horn and headlamp intermittently with input of PANIC ALARM signal from remote controller.
For detailed description, refer to “THEFT WARNING SYSTEM” (EL-297).
MULTI-REMOTE CONTROL SYSTEM
System Description (Cont’d)
EL-272
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