NISSAN ALMERA N16 2001 Electronic Repair Manual

YEL644C
INTERIOR ROOM LAMP
Wiring Diagram Ð ROOM/L Ð/ With Interior Room Lamp Timer (Cont'd)
EL-79

Trouble Diagnoses/ 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/ With Interior Room Lamp Timer
EL-80

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.
5 CHECK FRONT DOOR UNLOCK SENSOR
1. Disconnect front door unlock sensor harness connector.
2. Check continuity between door unlock sensor terminals.
YEL790C
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/ With Interior Room Lamp Timer (Cont'd)
EL-81

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.
7 CHECK DOOR SWITCHES
1. Disconnect door switch harness connector.
2. Check continuity between door switch terminal 1 and ground.
SEL794WA
OK or NG
OK©Check the following.
+Door switch ground condition
+Harness for open or short between time control unit and door switch
NG©Replace door switch.
INTERIOR ROOM LAMP
Trouble Diagnoses/ With Interior Room Lamp Timer (Cont'd)
EL-82

8 CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit harness connector terminal 22 and ground.
SEL433X
OK or NG
OK©Replace time control unit.
NG©GO TO 9.
9 CHECK KEY SWITCH (INSERT)
Check continuity between terminals 1 and 2.
YEL791C
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.
INTERIOR ROOM LAMP
Trouble Diagnoses/ With Interior Room Lamp Timer (Cont'd)
EL-83

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/ With Interior Room Lamp Timer (Cont'd)
EL-84

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.
5 CHECK FRONT DOOR UNLOCK SENSOR
1. Disconnect front door unlock sensor harness connector.
2. Check continuity between door unlock sensor terminals.
YEL792C
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/ With Interior Room Lamp Timer (Cont'd)
EL-85

Wiring Diagram Ð ROOM/L Ð/ Without TimerNJEL0438
YEL645C
INTERIOR ROOM LAMP
Wiring Diagram Ð ROOM/L Ð/ Without Timer
EL-86

Wiring Diagram Ð INT/L ÐNJEL0439
YEL646C
SPOT AND TRUNK ROOM LAMPS
Wiring Diagram Ð INT/L Ð
EL-87

YEL647C
SPOT AND TRUNK ROOM LAMPS
Wiring Diagram Ð INT/L Ð (Cont'd)
EL-88