2001 NISSAN ALMERA o2 sensor

System Description/Hatchback=NJEL0502OPERATIONNJEL0502S02Power door lock/unlock operation by door key cylinder
+With the key inserted into front door key cylinder, turning it to LOCK will lock all doors.
+With the key inserted into front door key cylinder, turning it to UNLOCK will unlock all doors.
Power door lock/unlock operation by multi-remote controller (If equipped)
+Pressing multi-remote controller LOCK button will lock all doors.
+Pressing multi-remote controller UNLOCK button once will unlock driver door. Then, if an unlock signal is
sent from the remote controller again within 5 seconds, all other doors will be unlocked.
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.
Key reminder system
+If the ignition key is in the ignition key cylinder and driver door is open, setting lock/unlock switch, lock
knob, key or multi-remote controller to ªLOCKº locks the door once but then immediately unlocks all doors.
(signal from door unlock sensor driver side)
POWER DOOR LOCK
System Description/Hatchback
EL-314

Trouble Diagnoses/HatchbackNJEL0505SYMPTOM CHARTNJEL0505S02
REFERENCE PAGE (EL- ) 326 327 328 329 331 332 333
SYMPTOM
Main power supply and ground circuit check
Door lock/unlock switch check
Door key cylinder switch check
Door lock actuator check
Door switch check
Door unlock sensor check
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
4 Specific door lock actuator does not operate. X
5 *Key reminder system does not operate. X X X
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK
Trouble Diagnoses/Hatchback
EL-325

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-322.
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.
YEL785C
OK or NG
OK©Check 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.
POWER DOOR LOCK
Trouble Diagnoses/Hatchback (Cont'd)
EL-332

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-372.
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.
YEL786C
OK or NG
OK©Check 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.
System Description/SedanNJEL0509OPERATIONNJEL0509S01Power door lock/unlock operation by door key cylinder
+With the key inserted into front door key cylinder, turning it to LOCK will lock all doors.
+With the key inserted into front door key cylinder, turning it to UNLOCK will unlock all doors.
Power door lock/unlock operation by lock/unlock switch
+With lock/unlock switch setting to LOCK will lock all doors.
+With lock/unlock switch setting to UNLOCK will unlock all doors.
Key reminder system
+If the ignition key is in the ignition key cylinder and driver door is open, setting lock/unlock switch, lock
knob, key or multi-remote controller to ªLOCKº locks the door once but then immediately unlocks all doors.
(signal from door unlock sensor driver side)
POWER DOOR LOCK
Trouble Diagnoses/Hatchback (Cont'd)
EL-333

Trouble Diagnoses/SedanNJEL0512SYMPTOM CHARTNJEL0512S02
REFERENCE PAGE (EL- ) 341 342 343 344 346 347 348
SYMPTOM
Main power supply and ground circuit check
Door lock/unlock switch check
Door key cylinder switch check
Door lock actuator check
Door switch check
Door unlock sensor check
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
4 Specific door lock actuator does not operate. X
5 *Key reminder system does not operate. X X X
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK
Trouble Diagnoses/Sedan
EL-340

DOOR UNLOCK SENSOR CHECK=NJEL0512S09
1 CHECK FRONT DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between time control unit harness connector terminal 28 and ground.
SEL987W
OK or NG
OK©Door unlock sensor is OK.
NG©GO TO 2.
2 CHECK FRONT DOOR UNLOCK SENSOR
1. Disconnect front door unlock sensor harness connector.
2. Check continuity between door unlock sensor terminals.
SEL661X
OK or NG
OK©Check 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.
POWER DOOR LOCK
Trouble Diagnoses/Sedan (Cont'd)
EL-347

knob, key or multi-remote controller to ªLOCKº locks the door once but then immediately 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;
Ð insert the key into the ignition key cylinder and turn it to ON.
Ð LOCK/UNLOCK operation using door key cylinder or multi-remote controller.
POWER DOOR LOCK Ð SUPER LOCK Ð
System Description (Cont'd)
EL-350

SYMPTOM CHARTNJEL0398S02
REFERENCE PAGE (EL- ) 360 361 362 363 364 365 366 367 368 369 369
SYMPTOM
Main power supply and ground circuit check
Door lock/unlock switch check
Door key cylinder switch check
Door lock actuator check
Super lock actuator check
Door switch check
Door unlock sensor check
NATS release signal check
Key switch check
Ignition switch ªONº circuit check
Remote controller signal 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 actuator does
not operate.X
5Super lock cannot be set by door
key cylinder.XX XX
6*Super lock cannot be released
by door key cylinder.XX
7*Super lock cannot be released
by ignition key switch. (Signal
from NATS IMMU)XXX
8Specific super lock actuator does
not operate.X
9*Key reminder system does not
operate.XX X
10Super lock cannot be set/released
by using multi-remote controller.X
X: Applicable
*: Make sure the power door lock system operates properly.
POWER DOOR LOCK Ð SUPER LOCK Ð
Trouble Diagnoses/Sedan (Cont'd)
EL-359