Page 1897 of 2898
FIG. 5NJEL0511S05
HEL455B
POWER DOOR LOCK
Wiring Diagram Ð D/LOCK Ð/Sedan (Cont'd)
EL-339
Page 1898 of 2898
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
Page 1899 of 2898
MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK=NJEL0512S03Main Power Supply Circuit CheckNJEL0512S0301
SEL006X
Ground Circuit CheckNJEL0512S0302
SEL992W
POWER DOOR LOCK
Trouble Diagnoses/Sedan (Cont'd)
EL-341
Page 1900 of 2898
DOOR LOCK/UNLOCK SWITCH CHECK=NJEL0512S04
1 CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
1. Disconnect time control unit harness connector.
2. Check continuity between time control unit harness connector terminal 20 or 23 and ground.
SEL022X
Refer to wiring diagram in EL-337.
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)
SEL019X
+(Without power window)
SEL020X
OK or NG
OK©Check the following.
+Ground circuit for door lock/unlock switch
+Harness for open or short between door lock/unlock switch and time control unit con-
nector
NG©Replace door lock/unlock switch.
POWER DOOR LOCK
Trouble Diagnoses/Sedan (Cont'd)
EL-342
Page 1901 of 2898
DOOR KEY CYLINDER SWITCH CHECK=NJEL0512S05
1 CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)
Check voltage between time control unit harness connector terminals 24 or 25 and ground.
SEL008X
Refer to wiring diagram in EL-336.
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 1 and 2.
SEL979W
OK or NG
OK©Check the following.
+Door key cylinder switch ground circuit
+Harness for open or short between smart entrance control unit and door key cylinder
switch
NG©Replace door key cylinder switch.
POWER DOOR LOCK
Trouble Diagnoses/Sedan (Cont'd)
EL-343
Page 1902 of 2898
DOOR LOCK ACTUATOR CHECK=NJEL0512S06
1 CHECK DOOR LOCK ACTUATOR CIRCUIT
Check voltage for door lock actuator.
+Door lock actuator driver's side
SEL009X
+Door lock actuator passenger side and rear
SEL010X
Refer to wiring diagram in EL-338.
OK or NG
OK©GO TO 2.
NG©Replace time control unit. (Before replacing the control unit, perform ªDOOR LOCK/
UNLOCK SWITCH CHECKº.)
POWER DOOR LOCK
Trouble Diagnoses/Sedan (Cont'd)
EL-344
Page 1903 of 2898
2 CHECK DOOR LOCK ACTUATOR
1. Disconnect door lock actuator harness connector.
2. Apply 12V direct current to door lock actuator and check operation.
SEL662X
OK or NG
OK©Check harness for open or short between time control unit connector and door lock
actuator.
NG©Replace door lock actuator.
POWER DOOR LOCK
Trouble Diagnoses/Sedan (Cont'd)
EL-345
Page 1904 of 2898
DOOR SWITCH CHECK=NJEL0512S08
1 CHECK DOOR SWITCH INPUT SIGNAL
Check voltage between time control unit harness connector terminals 30 and ground.
SEL986W
Refer to wiring diagram in EL-341.
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
OK©Check 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/Sedan (Cont'd)
EL-346