system NISSAN TERRANO 2004 Service Repair Manual

Trouble Diagnoses
PRELIMINARY CHECK
CHECK-IN
Open all windows and removekey from ignition key cylinder.
Does power door lock operate properly?
Ye s
ENo (All doors) Power door lock does not operate by using;
Ð any switch.
........................................................................\
..
Ð door lock/unlock switch. ........................................................................\
..
Ð driver side lock knob switch and/or key cylinder.
........................................................................\
..
Ð passenger side lock knob switch and/or key cylinder.H
ESYMPTOM 1
ESYMPTOM 2
ESYMPTOM 3
ESYMPTOM 4
No (Specific door) SYMPTOM 5
Insert key to ignition key cylinder,
open any door and lock the door using driver or passenger side knob lock switch.
Does key reminder system oper-
ate properly?
Ye s
ENo SYMPTOM 6
INSPECTION END
After performing preliminary check, continue with diagnostic procedure in ªSYMPTOM CHARTº,
EL-172.
HWhen one or more doors are opened with lock knob on passenger door set to LOCK, only passenger door
will lock. (Power door lock system will not operate.)
E E
H
H
H
H
H
POWER DOOR LOCK
EL-171
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Before starting trouble diagnoses below, perform ªPRELIMINARY CHECKº, EL-171.
Symptom numbers in the symptom chart correspond with those of Preliminary check.
SYMPTOM CHART
REFERENCE PAGEEL-173 EL-174 EL-175 EL-176 EL-177 EL-178
SYMPTOM
Power supply and ground circuit check
Procedure 1
(Door unlock sensor check)
Procedure 2
(Door lock/unlock switch check)
Procedure 3
(Door lock actuator check)
Procedure 4
(Door switch check)
Procedure 5
(Ignition key switch check)
1 Power door lock does not oper-
ate using any switch. XX X
2 Power door lock does not oper-
ate using door lock/unlock
switch. X
3 Power door lock does not oper-
ate with any switch of driver side. X
4 Power door lock does not oper-
ate with any switch of passenger
side. XX
5 Specific door lock actuator does
not operate. X
6 *Key reminder system does not
operate. XX
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK
Trouble Diagnoses (Cont'd)
EL-172
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System Description
OUTLINE
Power door lock system with super lock and key reminder is controlled by super lock control unit. Super lock
has a higher anti-theft performance than conventional power door lock systems.
When super lock is in the released condition, lock knob operation can lock or unlock door.
When super lock is in set condition, lock knob operation cannot lock nor unlock door.
OPERATION
Power door lock/unlock and super lock set/release operation by door key cylinder
IWith the key inserted into door key cylinder on driver or passenger door, turning it to LOCK will lock all
doors and set super lock while all doors are closed or one or more door is open.
I With the key inserted into door key cylinder on driver or passenger door, turning it to UNLOCK will unlock
all doors and release super lock.
Power door lock and super lock release operation (by NATS IMMU signal)
I With the key inserted into ignition key cylinder and turning it to ªONº for abou t5-6sec. will unlock all
doors and release super lock.
Power door lock/unlock operation by lock knob
I Setting lock knob on driver or passenger door to LOCK while all doors are closed, will cause all doors to
lock.
Setting lock knob on passenger door to lock when one or more doors are open will lock passen-
ger door only. (Power door lock system will not operate.)
I Setting lock knob on driver or passenger door to UNLOCK while all doors are closed will unlock all doors.
Lock knob operation cannot control super lock.
SEL831U
POWER DOOR LOCK Ð SUPER LOCK Ð
EL-180
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Key reminder system
IIf the ignition key is in the ignition cylinder and any door is open, setting the lock & unlock switch and lock
knob on driver door to ªLOCKº locks the door once but then immediately unlocks it.
System initialization
I System initialization is required when battery cables are reconnected. Conduct one of the following:
Ð insert the key into ignition key cylinder and turn it to ªON.º
Ð LOCK/UNLOCK operation using door key cylinder.
POWER DOOR LOCK Ð SUPER LOCK Ð
System Description (Cont'd)
EL-181
http://vnx.su/

Trouble Diagnoses
PRELIMINARY CHECK
CHECK-IN
Open all windows and removekey from ignition key cylinder.
Does power door lock operate properly?
Ye s
ENo (All doors) Power door lock does not operate by using;
Ð any switch.
........................................................................\
..
Ð driver side lock knob switch and/or key cylinder.
........................................................................\
..
Ð passenger side lock knob switch and/or key cylinder.H
ESYMPTOM 1
ESYMPTOM 2
ESYMPTOM 3
No (Specific door) SYMPTOM 4
Does super lock set by using
door key cylinder?
Ye s
ENo (All doors) Super lock does not set by using;
Ð both door key cylinders.
........................................................................\
..
Ð one of door key cylinders.
ESYMPTOM 5
ESYMPTOM 6
No (Specific door) SYMPTOM 9
Does super lock release by using
door key cylinder or IGN key switch?
Ye s
ENo (All doors) Super lock does not release by using;
Ð one or both door key cylinders.
........................................................................\
..
Ð IGN key switch. (Signal from NATS IMMU)
ESYMPTOM 7
ESYMPTOM 8
No (Specific door) SYMPTOM 9
Insert key to ignition key cylinder,
open any door and lock the door using driver or passenger side knob lock switch.
Does key reminder system oper- ate properly?
Ye s
ENo SYMPTOM 10
INSPECTION END
After performing preliminary check, continue with diagnostic procedure in ªSYMPTOM CHARTº,
EL-193.
HWhen one or more doors are opened with lock knob on passenger door set to LOCK, only passenger door
will lock. (Power door lock system will not operate.)
E
E
E
H
H
H
H
H
H
H
POWER DOOR LOCK Ð SUPER LOCK Ð
EL-192
http://vnx.su/

Before starting trouble diagnoses below, perform ªPRELIMINARY CHECKº, EL-192.
Symptom numbers in the symptom chart correspond with those of Preliminary check.
SYMPTOM CHART
REFERENCE PAGEEL-194 EL-195 EL-196 EL-197 EL-198 EL-199 EL-200 EL-201 EL-201
SYMPTOM
Power supply and ground circuit check
Procedure 1
(Door unlock sensor check)
Procedure 2
(Door key cylinder switch check)
Procedure 3
(Door lock actuator check)
Procedure 4
(Super lock actuator check)
Procedure 5
(Door switch check)
Procedure 6
(NATS release signal check)
Procedure 7
(Ignition key switch check)
Procedure 8
(Ignition switch ªONº circuit check)
1 Power door lock does not oper-
ate using any switch. XX X
2 Power door lock does not oper-
ate with any switch of driver side. X
3 Power door lock does not oper-
ate with any switch of passenger
side. XX
4 Specific door lock actuator does
not operate. X
5 Super lock cannot be set by both
door key cylinders. XXX XX
6 Super lock cannot be set by one
of door key cylinders. X
7 *Super lock cannot be released
by one or both door key cylin-
ders. X
8 *Super lock cannot be released
by ignition key switch. (Signal
from NATS IMMU) X
9 Specific super lock actuator does
not operate. X
10 *Key reminder system does not
operate. XX
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK Ð SUPER LOCK Ð
Trouble Diagnoses (Cont'd)
EL-193
http://vnx.su/

DIAGNOSTIC PROCEDURE 4
(Super lock actuator check)
CHECK SUPER LOCK ACTUATOR CIRCUIT.
Check voltage for super lock actuator.
Note:
Put the system in set condition before check-
ing release signal.
OK
ENGSuper lock actuator is
OK.
CHECK SUPER LOCK ACTUATOR.
1. Disconnect door lock actuator assembly
connector.
2. Set lever A in lock position.
3. Apply 12V direct current to door lock actua- tor assembly and check operation.
Front door
Rear door
NG
EOK Check harness
between control unit
and door lock actuator
assembly.
Replace door lock actuator assembly.
Door key
cylinder
switch con- dition Terminals
Voltage
(V)
!@
Lock (Set)
U40Ground Approx. 12
Unlock
(Released)
U44Ground
Super lock actuator
operation Terminals
Connec-
tion from
lever A to lever B
!@
Released , Set q
1q4Discon-
nect
Set ,
Released q
4q1Connect
Super lock
actuator
operation Terminals
Connec-
tion from
lever A to lever B
!@
Released , Set q
1: (LH)
q
6: (RH) q
4: (LH)
q
3: (RH) Discon-
nect
Set ,
Released q
4: (LH)
q
3: (RH) q
1: (LH)
q
6: (RH) Connect
YEL308D
YEL309D
YEL310D
YEL311D
H
H
POWER DOOR LOCK Ð SUPER LOCK Ð
Trouble Diagnoses (Cont'd)
EL-198
http://vnx.su/

DIAGNOSTIC PROCEDURE 6
(NATS release signal check)
Does engine start properly?
Ye s
ENoCheck NATS system.
CHECK NATS SIGNAL CIRCUIT.
1) Disconnect control unit connector and
NATS IMMU connector.
2) Check continuity between control unit terminal
U26and NATS IMMU termi-
nal q
3.
Continuity should exist.
3) Check continuity between control unit terminal
U26and ground.
Continuity should not exist.
OK
ENG Repair harness.
CHECK NATS RELEASE SIGNAL.
1) Connect control unit connector and
NATS IMMU connector.
2) Check voltage between control unit terminal
U26and ground.
OK
ENG Check NATS system.
Replace time control unit.
Ignition switch condition Voltage
(V)
LOCK 12
More than 10 seconds after ignition
switch turned to ªONº position
For 10 seconds after ignition
switch turned to ªONº position Pulse
YEL314D
YEL315D
H
H
H
POWER DOOR LOCK Ð SUPER LOCK Ð
Trouble Diagnoses (Cont'd)
EL-200
http://vnx.su/

System Description
POWER AND GROUND
Power is supplied at all times
Ito time control unit terminal U09 and
I to door lock switch relay terminal 1
I through 10A fuse [No. 5, located in the fuse block (J/B)], and
I to key switch terminal 2
I through 10A fuse [No. 16, located in the fuse block (J/B)].
When the key switch is ON (ignition key is inserted in key cylinder), power is supplied
I through key switch terminal 1
I to time control unit terminal U22.
When the door switch driver side is ON (door is OPEN), ground is supplied
I to time control unit terminal U06
I through door switch driver side terminal 1 and case ground.
When any of the other door switches is ON (door is OPEN), ground is supplied
I to time control unit terminal U07
I through door switch terminal 1 and case ground.
When lock/unlock switch is LOCK, ground is supplied
I to power window main switch terminal 3
I through body grounds B10 and B18.
Door lock operation signal is supplied
I through power window main switch terminal 14
I to door lock switch relay terminal 2.
With power and ground supplied, door lock switch relay is energized, and the door lock operation signal is
supplied to time control unit terminal U35.
Door unlock operation signal is supplied
I through power window main switch terminal 7
I to time control unit terminal U37.
Remote controller signal is inputted to time control unit (The antenna of the system is combined with time
control unit).
FUNCTION
Multi-remote control system has the following function.
I Door lock (and set super lock)
I Door unlock (and release super lock)
I Hazard reminder
LOCK OPERATION
To lock door by multi-remote controller, the key switch must be at OFF.
When the LOCK signal is input to time control unit (the antenna of the system is combined with time control
unit), time control unit controls to lock doors and set super lock (models with super lock).
UNLOCK OPERATION
Normal Mode
When UNLOCK signal is input to time control unit (the antenna of the system is combined with time control
unit), time control unit controls to unlock doors and release super lock (models with super lock).
Anti Hi-jack Mode
When the UNLOCK signal is input to time control unit (the antenna of the system is combined with time con-
trol unit), time control unit controls to unlock driver's door and release super lock (models with super lock).
Then, if an unlock signal is sent from the remote controller again within 5 seconds, all other doors will be
unlocked.
HAZARD REMINDER
When the doors are locked or unlocked by multi-remote controller, supply power to turn lamps hazard reminder
flashes as follows
ILock operation: Flash once
I Unlock operation: Flash twice
MULTI-REMOTE CONTROL SYSTEM
EL-202
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AUTO DOOR LOCK OPERATION
Auto lock function signal is sent for operation when any of the following signals are not sent within 5 minutes
after the unlock signal is sent from the multi-remote controller:
Iwhen door switch is turned ON for open
I when the ignition switch is turned ON
I when the lock signal is sent from the multi-remote controller
I when ignition switch is inserted in ignition key cylinder
MULTI-REMOTE CONTROLLER ID CODE ENTRY
A maximum of four remote controllers can be entered.
To enter ID code entry, the following signals must be input to the time control unit.
IIgnition switch (ON)
I Signal from remote controller
For detailed procedure, refer to ªID Code Entry Procedureº in EL-215.
MULTI-REMOTE CONTROL SYSTEM
System Description (Cont'd)
EL-203
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