2003 NISSAN ALMERA N16 Engine control circuit

POWER SUPPLY AND GROUND CIRCUIT CHECKNJEL0580S04
1 CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect smart entrance control unit connector.
3. Check voltage between smart entrance control unit harness connector M195 terminal 49 (W/L), 56 (R/B) and ground.
SIIA1564E
MTBL1480
OK or NG
OK GO TO 2.
NG Check smart entrance control unit power supply circuit for open or short.
2 CHECK GROUND CIRCUIT
Check continuity between smart entrance control unit harness connector M195 terminal 53 (B) and ground.
SIIA1565E
MTBL1481
OK or NG
OK Power supply and ground circuit is OK.
NG Check smart entrance control unit ground circuit for open or short.
POWER DOOR LOCK
Trouble Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-274

2 CHECK DOOR LOCK/UNLOCK SWITCH
1. Disconnect door lock/unlock switch harness connector.
2. Check continuity between each door lock/unlock switch terminals.
Power window main switch (Door lock/unlock switch) (With power window system)
YEL803C
Door lock/unlock switch (Without power window system)
SEL469X
OK or NG
OKCheck the following.
Ground circuit for door lock/unlock switch
Harness for open or short between door lock/unlock switch and smart entrance control
unit connector
NG Replace power window main switch (door lock/unlock switch).
POWER DOOR LOCK
Trouble Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-276

3 CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect smart entrance control unit harness connector.
2. Check continuity between door lock actuator (driver side) harness connector D27 terminal 1 (L), 3 (W/R) and smart
entrance control unit harness connector M195 terminal 51 (L/R), 52 (W/R).
YEL836D
MTBL1486
OK or NG
OK Replace smart entrance control unit.
NG Check harness for open or short between smart entrance control unit and door lock
actuator (driver side).
Passenger SideNJEL0580S0602
1 CHECK DOOR LOCK SIGNAL
1. Disconnect door lock actuator (passenger side) harness connector.
2. Check voltage between door lock actuator harness connector D48 terminal 1 (R/B), 3 (W/R) and ground.
YEL834D
MTBL1487
OK or NG
OK GO TO 2.
NG GO TO 3.
POWER DOOR LOCK
Trouble Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-278

2 CHECK DOOR LOCK ACTUATOR
1. Disconnect door lock actuator (passenger side) harness connector.
2. Apply 12V direct current to door lock actuator and check operation.
YEL835D
MTBL1488
OK or NG
OK GO TO 3.
NG Replace door lock actuator (passenger side).
3 CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect smart entrance control unit harness connector.
2. Check continuity between door lock actuator (passenger side) harness connector D48 terminal 1 (R/B), 3 (W/R) and
smart entrance control unit harness connector M195 terminal 52 (W/R), 54 (R/B).
YEL837D
MTBL1489
OK or NG
OK Replace smart entrance control unit.
NG Check harness for open or short between smart entrance control unit and door lock
actuator (passenger side).
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-279

3 CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect smart entrance control unit harness connector.
2. Check continuity between rear door lock actuator LH harness connector D62 terminal 1 (R/B), 3 (W/R) and smart
entrance control unit harness connector M195 terminal 52 (W/R), 54 (R/B).
YEL837D
MTBL1492
OK or NG
OK Replace smart entrance control unit.
NG Check harness for open or short between smart entrance control unit and rear door lock
actuator LH.
Rear RH SideNJEL0580S0604
1 CHECK DOOR LOCK SIGNAL
1. Disconnect rear door lock actuator RH harness connector.
2. Check voltage between rear door lock actuator RH harness connector D82 terminal 1 (R/B), 3 (W/R) and ground.
YEL834D
MTBL1493
OK or NG
OK GO TO 2.
NG GO TO 3.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-281

2 CHECK DOOR LOCK ACTUATOR
1. Disconnect rear door lock actuator RH harness connector.
2. Apply 12V direct current to rear door lock actuator RH and check operation.
YEL835D
MTBL1494
OK or NG
OK GO TO 3.
NG Replace rear door lock actuator RH.
3 CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect smart entrance control unit harness connector.
2. Check continuity between rear door lock actuator RH harness connector D82 terminal 1 (R/B), 3 (W/R) and smart
entrance control unit harness connector M195 terminal 52 (W/R), 54 (R/B).
YEL837D
MTBL1495
OK or NG
OK Replace smart entrance control unit.
NG Check harness for open or short between smart entrance control unit and rear door lock
actuator RH.
POWER DOOR LOCK
Trouble Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-282

2 CHECK KEY SWITCH (INSERT)
1. Disconnect key switch connector.
2. Check continuity between key switch terminals 1 and 2.
YEL791C
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 smart entrance control unit and key switch
NG Replace key switch.
Trouble Diagnoses/YD Engine Models with
Common Rail and K9K Engine Models
NJEL0505SYMPTOM CHARTNJEL0505S02
REFERENCE PAGE (EL- ) 293 294 295 296 298 299 300
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 Diagnosis/QG and YD Engine Models with Common Rail (Cont’d)
EL-292

DOOR LOCK/UNLOCK SWITCH CHECK=NJEL0505S04
1 CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
1. Disconnect time control unit harness connector.
2. Check continuity between time control unit harness connector terminal37 or 38 and ground.
SEL468X
Refer to wiring diagram in EL-266.
OK or NG
OK Door lock/unlock switch is OK.
NG GO TO 2.
2 CHECK DOOR LOCK/UNLOCK SWITCH
1. Disconnect door lock/unlock switch harness connector.
2. Check continuity between each door lock/unlock switch terminals.
Power window main switch (Door lock/unlock switch) (With power window)
YEL801C
Door lock/unlock switch (Without power window)
SEL469X
OK or NG
OKCheck the following.
Ground circuit for door lock/unlock switch
Harness for open or short between door lock/unlock switch and time controlunit con-
nector
NG Replace door lock/unlock switch.
POWER DOOR LOCK
Trouble Diagnoses/YD Engine Models with Common Rail and K9K Engine Models(Cont’d)
EL-294