NISSAN PRIMERA 1999 Electronic Repair Manual

DIAGNOSTIC PROCEDURE 1
(Door unlock sensor check)
CHECK DOOR UNLOCK SENSOR
INPUT SIGNAL.
Check voltage between time control
unit connector terminals

35or
36
and ground.
NG
OK
Door unlock sensor is
OK.
CHECK DOOR UNLOCK SENSOR.
1) Disconnect door unlock sensor con-
nector.
2) Check continuity between door
unlock sensor terminals.
OK
NG
Replace door lock actua-
tor assembly.
Check the following:

Door unlock sensor ground circuit.

Harness for open or short-circuit
between control unit and door unlock
sensor
Terminals
Condi-
tionVoltage
[V]


Driver
side

35GroundLockedApprox.
2
(Approx.
20 sec.)
Unlocked 0
Pas-
sen-
ger
side

36GroundLockedApprox.
12
(Approx.
20 sec.)
Unlocked 0
Terminals Condition Continuity

2-
5Locked No
Unlocked Yes
YEL446B
Time control unit connector
YEL027D


POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-259

DIAGNOSTIC PROCEDURE 2
(Door key cylinder switch check)
CHECK DOOR KEY CYLINDER
SWITCH INPUT SIGNAL (LOCK SIG-
NAL).
Check voltage between time control
unit connector terminal

29and
ground.
NG
OK
Door key cylinder switch
is OK.
CHECK DOOR KEY CYLINDER
SWITCH.
1) Disconnect door key cylinder switch
connector.
2) Check continuity between door key
cylinder switch terminals.
OK
NG
Replace key cylinder
switch.
Check the following:

Harness connectorsB3,M13

Harness connectorsM7,D1

Harness connectorsB5,D2

Harness connectorsB56,D11

Door key cylinder switch ground cir-
cuit

Harness for open or short-circuit
between super lock control unit and
door key cylinder.
Key cylinder switch operation Voltage [V]
Between neutral and lock 0
Unlock/neutral Approx. 5
Terminals Key position Continuity

1-
2
Neutral No
Between
neutral and
lockYe s
Unlock/
neutralNo
Full stroke
(Lock)No
YEL028D
YEL817
Key cylinder switch
Driver side :
Passenger side:


POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-260

DIAGNOSTIC PROCEDURE 3
(Door lock actuator check)
CHECK DOOR LOCK ACTUATOR
CIRCUIT.
Check voltage for door lock actuator.
Before operating passenger side
knob lock switch, close all doors.
OK
NG
Door lock actuator is OK.
CHECK DOOR LOCK ACTUATOR.
1. Disconnect door lock actuator con-
nector.
2. Apply 12V direct current to door lock
actuator and check operation.
Driver side
Passenger side
Rear door LH and RH
NG
OK
Check harness between
control unit and door lock
actuator.
Replace door lock actuator assembly.
Knob lock
switch conditionTerminals
Voltage
(V)


Unlock,Lock

41Ground
Approx. 12
(Approx. 5
seconds)

42Ground
Lock,Unlock

44Ground
Door lock actuator
operationTerminals


Unlocked,
Locked

6
3
Locked,
Unlocked
3
6
Door lock actuator
operationTerminals


Unlocked,
Locked

3
6
Locked,
Unlocked
6
3
Door lock actuator
operationTerminals


Unlocked,
Locked

4: (LH)

1: (RH)

1: (LH)

4: (RH)
Locked,
Unlocked

1: (LH)

4: (RH)

4: (LH)

1: (RH)
YEL029D
YEL030D
YEL031D
YEL032D


POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-261

DIAGNOSTIC PROCEDURE 4
(Door switch check)
CHECK DOOR SWITCH INPUT SIG-
NAL.
Check voltage between fuse block (J/B)
and ground.
NG
OK
Door switch is OK.
CHECK DOOR SWITCH.
1) Disconnect door switch connector.
2) Check continuity between door
switch terminals.
OK
NG
Replace door switch.
Check the following.

Door switch ground condition

Harness for open or short between
control unit and door switch
Termi-
nalsCondition Voltage [V]
Driver
side door
16JOpened 0
Closed Approx. 12
Other
door
7JOpened 0
Closed Approx. 12
Terminals Condition Continuity

1- groundClosed No
Open Yes
YEL450B
Fuse block (J/B) connector
YEL033D


POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-262

DIAGNOSTIC PROCEDURE 5
(Key switch check)
CHECK IGNITION KEY SWITCH
INPUT SIGNAL.
Check voltage between control unit ter-
minal

22and ground.
NG
OK
Key switch is OK.
CHECK KEY SWITCH POWER SUP-
PLY.
Check voltage between key switch har-
ness terminal

2and ground.
Battery voltage should exist.
OK
NG
Check the following.

10A fuse [No.16,
located in fuse block
(J/B)]

Harness for open or
short between key
switch and fuse
CHECK KEY SWITCH.
1) Disconnect key switch connector.
2) Check continuity between key
switch terminals.
OK
NG
Replace key switch.
Check harness for open or short
between control unit and key switch.
Condition of key switch Voltage [V]
Key is inserted Approx. 12
Key withdrawn 0
Terminals Condition Continuity

1-
2
Key is
inserted.Ye s
Key is with-
drawn.No
YEL034D
YEL826
Key switch connector
YEL827
Key switch connector



POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-263

NOTE
POWER DOOR LOCK
EL-264

Component Parts Location
NEL562
Door key cylinder switch
Lock knob
Time control unit
Door lock actuator assembly
Door lock switch
Time control unitB11,B12,B96
Door key
cylinder switch
connector
D9,D17
Door lock actuator
assembly
D7,D16
Door switch
Fuse block (J/B)
POWER DOOR LOCK—Super Lock—
EL-265

System Description/Super Lock for RHD
Models
OUTLINE
Power door lock system with super lock and key reminder is controlled by time control unit. Super lock has
a higher anti-theft performance than conventional power door lock systems.
When super lock is in released condition, lock knob operation locks or unlocks 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

With the key inserted into front door key cylinder, turning it to LOCK will lock all doors and set super
lock while all doors are closed or any door is open. (Super lock will not be set while key is inserted in
the ignition key cylinder.)

With the key inserted into front door key cylinder, turning it to UNLOCK will unlock all doors and release
super lock.
Power door lock/unlock and super lock set/release operation by multi-remote controller (if equipped)

Pressing multi-remote controller LOCK button will lock all doors and set super lock while all doors are
closed and key is not inserted in the ignition key cylinder.

Pressing once will release super lock and unlock driver’s door.

Pressing twice will release super lock and unlock all doors.
Power door lock and super lock release operation (by NATS IMMU signal)

When the super lock is set, turning ignition key switch to ON will release super lock and unlock all doors.
SEL831U
With super lock releasedWith super lock set
Door key cylinder
UNLOCK LOCK
Door lock knob
Door knob rod
Lever BLever B
Door lock actuator assembly
Lever A
With super lock set, the connecting
rod is disengaged from lever B.
This enables the linkage to convey
operational force from lever B to lever A.
The door lock knob can still be operated
but this operation does not lock nor
unlock door.
Lever A Connecting rod
LOCK UNLOCK
Door lock actuator assembly
POWER DOOR LOCK—Super Lock—
EL-266

Power door lock/unlock operation by lock knob

With lock knob on driver or passenger door setting to LOCK while all doors are closed will lock all doors.
When one or more door is opened, with lock knob on passenger door setting to LOCK will lock
passenger door only. (Power door lock system will not operate.)

With lock knob on driver or passenger door setting to UNLOCK while all doors are closed will unlock all
doors.
Lock knob operation cannot control super lock.
Key reminder system

If the ignition key is in the ignition key cylinder and any door is open, setting the lock/unlock switch or
lock knob on driver or passenger door to“LOCK”locks the door once but then immediately unlocks all
doors.
Central unlock/trunk or back door release switch
Signal input Status
Short press Long press DR AS RL RR
Without ultra sonic With ultra sonic Without ultra sonic With ultra sonic
No action No action Trunk release Trunk releaseUUUUFully
unlocked
No action No action Trunk release Trunk release U U U L
No action No action Trunk release Trunk release U U L U
No actionCentral unlock
(not DR door)Trunk releaseCentral unlock
(not DR door) +
Trunk releaseUU L LDR and AS
doors
unlocked
Central unlock
(not DR door)Central unlock
(not DR door)Central unlock
(not DR door) +
Trunk releaseCentral unlock
(not DR door) +
Trunk releaseULXXDR door
unlocked, AS
door locked
Central unlock Central unlockCentral unlock +
Trunk releaseCentral unlock +
Trunk releaseLLXXBoth front
doors locked
No action No action No action No actionLLLLSuper locked
U: Unlocked; L: locked; X: Don’t care
System initialisation

System initialisation is required when battery cables are reconnected. Conduct one of the followings to
release super lock once;
—insert the key into ignition key cylinder and turn it to ON.
—LOCK/UNLOCK operation using door key cylinder.
POWER DOOR LOCK—Super Lock—
System Description/Super Lock for RHD
Models (Cont’d)
EL-267

Schematic
YEL907C
POWER DOOR LOCK—Super Lock—
EL-268