door lock NISSAN PRIMERA 1999 Electronic Owner's Guide

Before starting trouble diagnoses below, perform preliminary check, EL-256.
Symptom numbers in the symptom chart correspond with those of Preliminary check.
SYMPTOM CHART
REFERENCE PAGE EL-258 EL-259 EL-260 EL-261 EL-262 EL-263
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
(Door switch check)
Procedure 5
(Key switch check)
1Power door lock does not operate
using any switch.XX
2Power door lock does not operate
with lock/unlock switch.X
3Power door lock does not operate
with door key cylinder switch.X
4Specific door lock acutator does
not operate.X
5*Key reminder system does not
operate.XX
X: Applicable
*: Make sure the power door lock and key reminder system operate properly.
POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-257

POWER SUPPLY AND GROUND CIRCUIT CHECK
Main power supply circuit check
Terminals Ignition switch position

LOCK ACC ON

9GroundBattery
voltageBattery
voltageBattery
voltage
Ground circuit check
Terminals Continuity

16- Ground Yes
YEL445B Time control
unit connector
YEL431B Time control unit connector
POWER DOOR LOCK
Trouble Diagnoses (Cont’d)
EL-258

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