2001 NISSAN ALMERA door lock

5 CHECK FRONT DOOR UNLOCK SENSOR
1. Disconnect front door unlock sensor harness connector.
2. Check continuity between door unlock sensor terminals.
SEL908X
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.
INTERIOR ROOM LAMP
Trouble Diagnoses/Sedan With Interior Room Lamp Timer (Cont'd)
EL-126

System Description/Hatchback With Interior
Room Lamp Timer
=NJEL0435POWER SUPPLY AND GROUNDNJEL0435S01Power is supplied at all times:
+through 15A fuse [No. 5, located in the fuse block (J/B)]
+to time control unit terminal 9,
+through 10A fuse [No. 12, located in the fuse block (J/B)]
+to key switch terminal 1 and
+through 10A fuse [No. 13, located in the fuse block (J/B)]
+to interior room lamp terminal 1.
When the key is removed from ignition key cylinder, power is interrupted:
+through key switch terminal 2
+to time control unit terminal 22.
With the ignition key switch in the ON or START position, power is supplied:
+through 10A fuse [No. 10, located in the fuse block (J/B)]
+to time control unit terminal 1.
Ground is supplied:
+through body grounds terminals M28 and M67
+to time control unit terminal 16
When the driver side door is opened, ground is supplied:
+through body grounds B9, B21 and D96
+to door switch driver side terminal 3
+from door switch driver side terminal 2
+to time control unit terminal 6.
When any door is opened, ground is supplied:
+through case ground of each door switch
+to each door switch terminal 1
+to time control unit terminal 7.
When the driver side door is unlocked, the time control unit receives a ground signal:
+through body grounds terminals M28 and M67
+to door unlock sensor terminal 2
+from door unlock sensor terminal 5
+to time control unit terminal 35.
When a signal, or combination of signals is received by the time control unit, ground is supplied:
+through time control unit terminal 12
+to interior room lamp terminal 2.
With power and ground supplied, the interior room lamp illuminates when interior room lamp switch is in
ªDOORº position.
SWITCH OPERATIONNJEL0435S02When interior room lamp switch is in ªONº position, ground is supplied:
+through case grounds of interior room lamp
+to interior room lamp.
With power and ground supplied, the interior room lamp illuminates.
INTERIOR ROOM LAMP TIMER OPERATIONNJEL0435S03When interior room lamp switch is in the ªDOORº position, the time control unit keeps the interior room lamp
illuminated for about 30 seconds when:
+unlock signal is supplied from driver's door unlock sensor while all doors are closed
+key is removed from ignition key cylinder while all doors are closed
+driver's door is opened and then closed
The timer is canceled when:
INTERIOR ROOM LAMP
System Description/Hatchback With Interior Room Lamp Timer
EL-127

+driver's door is locked,
+driver's door is opened, or
+ignition switch is turned ON.
ON-OFF CONTROLNJEL0435S04When the driver side door, front passenger door, rear LH or RH door is opened, the interior room lamp turns
on while the interior room lamp switch is in the ªDOORº position.
BATTERY SAVERNJEL0435S11The interior room lamp is turned OFF automatically with the lamp switch in the ªDOORº position after about
30 minutes, if the lamp remains lit by the door switch open signal.
INTERIOR ROOM LAMP
System Description/Hatchback With Interior Room Lamp Timer (Cont'd)
EL-128

Trouble Diagnoses/Hatchback With Interior
Room Lamp Timer
=NJEL0437DIAGNOSTIC PROCEDURE 1NJEL0437S01SYMPTOM: Interior room lamp timer does not operate.
1 CHECK IGNITION ON SIGNAL
Check voltage between time control unit harness connector terminal 1 and ground.
SEL429X
OK or NG
OK©GO TO 2.
NG©Check the following.
+10A fuse [No. 10, located in fuse block (J/B)]
+Harness for open or short between time control unit and fuse
2 CHECK DOOR SWITCH INPUT SIGNAL
Check voltage between time control unit harness connector terminal 6 and ground.
SEL430X
OK or NG
OK©GO TO 4.
NG©GO TO 3.
INTERIOR ROOM LAMP
Trouble Diagnoses/Hatchback With Interior Room Lamp Timer
EL-131

3 CHECK DRIVER SIDE DOOR SWITCH
Check continuity between door switch terminals 2 and 3.
SEL325WA
OK or NG
OK©Check the following.
+Driver side door switch ground circuit and condition
+Harness for open or short between time control unit and driver side door switch
NG©Replace driver side door switch.
4 CHECK FRONT DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between time control unit harness connector terminal 35 and ground.
SEL431X
OK or NG
OK©GO TO 6.
NG©GO TO 5.
INTERIOR ROOM LAMP
Trouble Diagnoses/Hatchback With Interior Room Lamp Timer (Cont'd)
EL-132

5 CHECK FRONT DOOR UNLOCK SENSOR
1. Disconnect front door unlock sensor harness connector.
2. Check continuity between door unlock sensor terminals.
SEL988W
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.
6 CHECK DOOR SWITCHES INPUT SIGNAL
Check voltage between time control unit harness connector terminal 7 and ground.
SEL432X
OK or NG
OK©GO TO 8.
NG©GO TO 7.
INTERIOR ROOM LAMP
Trouble Diagnoses/Hatchback With Interior Room Lamp Timer (Cont'd)
EL-133

DIAGNOSTIC PROCEDURE 2=NJEL0437S02SYMPTOM: Interior lamp timer does not cancel properly.
1 CHECK IGNITION ON SIGNAL
Check voltage between time control unit harness connector terminal 1 and ground.
SEL429X
OK or NG
OK©GO TO 2.
NG©Check the following.
+10A fuse [No. 10, located in fuse block (J/B)]
+Harness for open or short between time control unit and fuse
2 CHECK DOOR SWITCH INPUT SIGNAL
Check voltage between time control unit harness connector terminal 6 and ground.
SEL430X
OK or NG
OK©GO TO 4.
NG©GO TO 3.
INTERIOR ROOM LAMP
Trouble Diagnoses/Hatchback With Interior Room Lamp Timer (Cont'd)
EL-136

3 CHECK DRIVER SIDE DOOR SWITCH
Check continuity between terminals 2 and 3.
SEL325WA
OK or NG
OK©Check the following.
+Driver side door switch ground circuit and condition
+Harness for open or short between time control unit and driver side door switch
NG©Replace driver side door switch.
4 CHECK FRONT DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between time control unit harness connector terminal 35 and ground.
SEL431X
OK or NG
OK©Replace time control unit.
NG©GO TO 5.
INTERIOR ROOM LAMP
Trouble Diagnoses/Hatchback With Interior Room Lamp Timer (Cont'd)
EL-137