NISSAN ALMERA N16 2003 Electronic Repair Manual

DOOR KEY CYLINDER SWITCH CHECKNJEL0505S05
1 CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK/UNLOCK SIGNAL)
Check voltage between time control unit harness connector terminals 28 or29 and ground.
SEL470X
Refer to wiring diagram in EL-267.
OK or NG
OK Door key cylinder switch is OK.
NG GO TO 2.
2 CHECK DOOR KEY CYLINDER SWITCH
1. Disconnect door key cylinder switch harness connector.
2. Check continuity between door key cylinder switch terminals.
SEL471X
OK or NG
OKCheck the following.
Door key cylinder switch ground circuit
Harness for open or short between time control unit and door key cylinder switch
NG Replace door key cylinder switch.
GI
MA
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LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnoses/YD Engine Models with Common Rail and K9K Engine Models(Cont’d)
EL-295

DOOR LOCK ACTUATOR CHECKNJEL0505S06
1 CHECK DOOR LOCK ACTUATOR OUTPUT SIGNAL
Check voltage for door lock actuator.
Door lock actuator driver’s side
YEL839D
Door lock actuator passenger side and rear
SEL473X
Refer to wiring diagram in EL-269.
OK or NG
OK GO TO 2.
NG Replace time control unit. (Before replacing the control unit, perform“DOOR LOCK/
UNLOCK SWITCH CHECK”.)
POWER DOOR LOCK
Trouble Diagnoses/YD Engine Models with Common Rail and K9K Engine Models(Cont’d)
EL-296

2 CHECK DOOR LOCK ACTUATOR
1. Disconnect door lock actuator harness connector.
2. Apply 12V direct current to door lock actuator and check operation.
Front and rear door
YEL840D
Back door
SEL491X
OK or NG
OK Check harness for open or short between time control unit connector and door lock
actuator.
NG Replace door lock actuator.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnoses/YD Engine Models with Common Rail and K9K Engine Models(Cont’d)
EL-297

DOOR SWITCH CHECK=NJEL0505S08
1 CHECK DOOR SWITCH INPUT SIGNAL
Check voltage between time control unit harness connector terminal 6 and ground.
SEL475X
Refer to wiring diagram in EL-265.
OK or NG
OK Door switch is OK.
NG GO TO 2.
2 CHECK DOOR SWITCH
1. Disconnect door switch harness connector.
2. Check continuity between door switch terminals.
SEL325WA
OK or NG
OKCheck the following.
Door switch ground circuit or door switch ground condition
Harness for open or short between smart entrance control unit and door switch
NG Replace door switch.
POWER DOOR LOCK
Trouble Diagnoses/YD Engine Models with Common Rail and K9K Engine Models(Cont’d)
EL-298

DOOR UNLOCK SENSOR CHECK=NJEL0505S09
1 CHECK DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between time control unit terminal 35 or 36 and ground.
SEL476X
Refer to wiring diagram in EL-268.
OK or NG
OK Door unlock sensor is OK.
NG GO TO 2.
2 CHECK DOOR UNLOCK SENSOR
1. Disconnect door unlock sensor connector.
2. Check continuity between door unlock sensor terminals 2 and 4.
YEL847D
OK or NG
OKCheck the following.
Door unlock sensor ground circuit
Harness for open or short between time control unit and door unlock sensor
NG Replace door unlock sensor.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnoses/YD Engine Models with Common Rail and K9K Engine Models(Cont’d)
EL-299

KEY SWITCH (INSERT) CHECK=NJEL0505S11
1 CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit terminal 22 and ground.
SEL433X
Refer to wiring diagram in EL-306.
OK or NG
OK Key switch is OK.
NG GO TO 2.
2 CHECK KEY SWITCH (INSERT)
Check continuity between key switch terminals 1 and 2.
YEL802C
OK or NG
OKCheck the following.
10A fuse [No. 12, located in fuse block (J/B)]
Harness for open or short between key switch and fuse
Harness for open or short between time control unit and key switch
NG Replace key switch.
POWER DOOR LOCK
Trouble Diagnoses/YD Engine Models with Common Rail and K9K Engine Models(Cont’d)
EL-300

System DescriptionNJEL0395OUTLINENJEL0395S01Power 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.
SEL831U
OPERATIONNJEL0395S02Power 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.
(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. (Super lock will not be
set while key is inserted in the ignition key cylinder.)
Pressing multi-remote controller UNLOCK button once will unlock driver door and release super lock. Then,
if an unlock signal is sent from the remote controller again within 5 seconds, all other doors will be
unlocked.
Power door lock and super lock release operation (by NATS IMMU signal)
When the super lock is set, turning the ignition key switch to ON will release the super lock. All doors will
unlock once, but then immediately lock again.
Power door lock/unlock operation by lock/unlock switch
With lock/unlock switch on driver door trim setting to LOCK will lock all doors.
With lock/unlock switch on driver door trim setting to UNLOCK will unlock all doors.
Lock/unlock switch operation cannot control super lock.
Key reminder system
If the ignition key is in the ignition key cylinder and driver door is open, setting lock/unlock switch, lock
GI
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IDX
POWER DOOR LOCK — SUPER LOCK —
System Description
EL-301

knob, key or multi-remote controller to “LOCK” locks the door once but thenimmediately unlocks all doors.
(signal from door unlock sensor driver side)
System initialization
System initialization is required when battery cables are reconnected. Conduct the following to release
super lock once;
— insert the key into the ignition key cylinder and turn it to ON.
— LOCK/UNLOCK operation using door key cylinder or multi-remote controller.
POWER DOOR LOCK — SUPER LOCK —
System Description (Cont’d)
EL-302

NOTE:
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LC
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FE
CL
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BT
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IDX
POWER DOOR LOCK — SUPER LOCK —
System Description (Cont’d)
EL-303

SchematicNJEL0475
YEL757D
POWER DOOR LOCK — SUPER LOCK —
Schematic
EL-304