Page 1372 of 2395

System Description=NBEL0210OPERATIVE CONDITIONNBEL0210S01The drive position can be set in 2 ways, manually and automatically.
Manual OperationNBEL0210S0101The driver's seat can be adjusted for sliding, reclining, front cushion height and rear cushion height with the
LH power seat switches. The manual operation can be adjusted with the IGN key in any position.
Automatic OperationNBEL0210S0102The driver's seat is adjusted to the proper positions for the driver automatically, in 3 different ways: MEMORY
AUTOMATIC SET, AUTOMATIC EXITING SETTING and AUTOMATIC SET RETURN. (Automatic Drive Posi-
tioner = ADP)
CONDITIONS INHIBITING AUTOMATIC OPERATIONNBEL0210S02Automatic memory setting procedures are suspended under any of the following conditions:
1) When vehicle speed is more than 7 km/h (4 MPH).
2) When driver's side power seat switch is turned on.
3) When any two of the switches (set switch and memory switches 1 and 2) are turned ON.
4) When cancel switch is turned on.
5) When selector lever is in any position other than ªPº.
6) When ignition switch is turned to ªSTARTº position.
(Operation resumes when ignition switch is returned to ªONº.)
7) When detention switch malfunction is detected:
IDetention switch failure is sensed when detention switch remains off for at least 2 seconds at a vehicle
speed of greater than 7 km/h (4 MPH).
FAIL-SAFE SYSTEMNBEL0210S03Output FailureNBEL0210S0301When the ignition switch is in the ON position, if any of the parts (indicated in the following chart) move more
than the specified amount within a period ªT2º when no ªONº input is sent from any of the switches (indicated
in the following chart), or an output from the automatic drive positioner is not produced, an output failure is
sensed. Motor operation will be suspended automatically, and all automatic operations will be ineffective. (In
this case, the motor will not operate manually.)
OPERATED PORTION T2 Allowable measurement
Seat sliding Approx. 2.5 sec. Within 6 mm (0.24 in)
Seat reclining Same as above Change angle within 1É
AbsolvingNBEL0210S0302When moving selector lever back to ªPº position after having moved it to any position except ªPº, fail-safe
operation will be canceled.
INITIALIZATIONNBEL0210S04After reconnecting battery cable, perform initialization procedure A or B. If initialization has not been performed,
automatic drive positioner will not operate.
PROCEDURE A
1) Insert key in the ignition key cylinder. (Ignition switch is in ªOFFº position.)
2) Open,close,open driver side door. (Do not perform with the door switch operation.)
3) End
PROCEDURE B
1) Drive the vehicle at more than 25 km/h (16 MPH).
2) End
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
System Description
EL-187
Page 1384 of 2395
PRELIMINARY CHECKNBEL0214S02
SEL600W
*1: After reconnecting battery cable, perform initialization proce-
dure A or B.
If initialization has not been performed, automatic drive positioner
will not operate.
PROCEDURE A
1) Insert key in the ignition key cylinder. (Ignition switch is in
ªOFFº position.)
2) Open,close,open driver side door. (Do not perform with
the door switch operation.)
3) End
PROCEDURE B
1) Drive the vehicle at more than 30 km/h (19 MPH).
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont'd)
EL-199
Page 1386 of 2395
![INFINITI QX4 2001 Factory Service Manual PROCEDURE Diagnostic procedure
REFERENCE PAGE (EL- ) 213 214 215 216 217 220 220
SYMPTOM
DIAGNOSTIC PROCEDURE 8
[Lifting motor (front) check]
DIAGNOSTIC PROCEDURE 9
[Lifting motor (rear) check]
DIAGNO INFINITI QX4 2001 Factory Service Manual PROCEDURE Diagnostic procedure
REFERENCE PAGE (EL- ) 213 214 215 216 217 220 220
SYMPTOM
DIAGNOSTIC PROCEDURE 8
[Lifting motor (front) check]
DIAGNOSTIC PROCEDURE 9
[Lifting motor (rear) check]
DIAGNO](/manual-img/42/57027/w960_57027-1385.png)
PROCEDURE Diagnostic procedure
REFERENCE PAGE (EL- ) 213 214 215 216 217 220 220
SYMPTOM
DIAGNOSTIC PROCEDURE 8
[Lifting motor (front) check]
DIAGNOSTIC PROCEDURE 9
[Lifting motor (rear) check]
DIAGNOSTIC PROCEDURE 10
(Power seat switch check)
DIAGNOSTIC PROCEDURE 11
(Cancel switch check)
DIAGNOSTIC PROCEDURE 12
(Key, park position, door switch
and vehicle speed sensor check)
DIAGNOSTIC PROCEDURE 13
(Seat memory switch check)
DIAGNOSTIC PROCEDURE 14
(Memory indicator check)
1 No seat system functions operate.
2Some of the seat
system functions
do not operate
during automatic/
manual operation.Sliding
Reclining
Lifting (Front) X
Lifting (Rear) X
3No functions operate during auto-
matic operation, and some/all func-
tions do not during manual opera-
tion.XX
(ACC, ON
START
signal)
4Some of the seat
system functions
do not operate
during automatic
operation.Sliding
Reclining
Lifting (Front)
Lifting (Rear)
5No automatic operation functions
operate.XX
6Drive position cannot be retained in
the memory.X
(IGN ON
signal)X
7Does not operate
during manual
operation. (Oper-
ates during auto-
matic operation.)Sliding X
Reclining X
Lifting (Front) X
Lifting (Rear) X
8Automatic operation cannot be can-
celed.X
9 Memory indicator does not light up.X
X : Applicable
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont'd)
EL-201
Page 1402 of 2395
DIAGNOSTIC PROCEDURE 12=NBEL0214S15(Key, detention, door switch and vehicle speed sensor check)
1 CHECK KEY SWITCH INPUT SIGNAL
Check voltage between seat control unit LH terminal 2 and ground.
SEL629W
OK or NG
OK©GO TO 2.
NG©Check the following.
I7.5A fuse [No. 24, located in fuse block (J/B)]
IKey switch
IHarness for open or short between key switch and fuse
IHarness for open or short between seat control unit LH and key switch
2 CHECK IGNITION SWITCH INPUT SIGNAL (ON AND START)
Check voltage between seat control unit LH terminals and ground.
SEL630W
OK or NG
OK©GO TO 3.
NG©Check the following.
I7.5A fuse [No. 11, located in fuse block (J/B)]
I7.5A fuse [No. 26, located in fuse block (J/B)]
IHarness for open or short between seat control unit LH and fuse
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont'd)
EL-217
Page 1439 of 2395
Component Parts and Harness Connector
Location
NBEL0106
SEL065WA
System DescriptionNBEL0107OPERATIONNBEL0107S04
IThe lock/unlock switch (LH and RH) on door trim can lock and unlock all doors.
IWith the door key inserted in the key cylinder on front LH or back door, turning it to ªLOCKº, will lock all
doors; turning it to ªUNLOCKº once unlocks the corresponding door; turning it to ªUNLOCKº again within
5 seconds after the first unlock operation unlocks all of the other doors. (Signals from door key cylinder
switch)
IIf the ignition key is in the ignition key cylinder and one or more of doors are open, setting the lock/unlock
switch to ªLOCKº locks the doors once but then immediately unlock them. (Combination signals from key
switch and door switches) - (KEY REMINDER DOOR SYSTEM)
POWER DOOR LOCK
Component Parts and Harness Connector Location
EL-254
Page 1446 of 2395
Trouble DiagnosesNBEL0110SYMPTOM CHARTNBEL0110S01
REFERENCE PAGE (EL- ) 262 263 264 265 266 267 268
SYMPTOM
MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK
DOOR SWITCH CHECK
KEY SWITCH (INSERT) CHECK
DOOR LOCK/UNLOCK SWITCH CHECK
FRONT DOOR KEY CYLINDER SWITCH CHECK
BACK DOOR KEY CYLINDER SWITCH CHECK
DOOR LOCK ACTUATOR CHECK
Key reminder door system does not operate
properly.XXX X
Specific door lock actuator does not operate. X X
Power door lock does not operate with door
lock and unlock switch (LH and RH) on door
trim.XX
Power door lock does not operate with front
door key cylinder operation.XX
Power door lock does not operate with back
door key cylinder operation.XX
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
POWER DOOR LOCK
Trouble Diagnoses
EL-261
Page 1449 of 2395
KEY SWITCH (INSERT) CHECK=NBEL0110S06
1 CHECK KEY SWITCH INPUT SIGNAL
Check voltage between smart entrance control unit terminal 32 and ground.
SEL307X
Refer to wiring diagram in EL-257.
OK or NG
OK©Key switch is OK.
NG©GO TO 2.
2 CHECK KEY SWITCH (INSERT)
Check continuity between terminals 1 and 2.
SEL308X
OK or NG
OK©Check the following.
I7.5A fuse [No. 24, located in fuse block (J/B)]
IHarness for open or short between key switch and fuse
IHarness for open or short between smart entrance control unit and key switch
NG©Replace key switch.
POWER DOOR LOCK
Trouble Diagnoses (Cont'd)
EL-264
Page 1451 of 2395
FRONT DOOR KEY CYLINDER SWITCH CHECK=NBEL0110S07
1 CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK/UNLOCK SIGNAL)
Check voltage between smart entrance control unit terminals 30 or 41 and ground.
SEL312X
Refer to wiring diagram in EL-258.
OK or NG
OK©Door key cylinder switch LH is OK.
NG©GO TO 2.
2 CHECK DOOR KEY CYLINDER SWITCH
1. Disconnect door key cylinder switch connector.
2. Check continuity between door key cylinder switch terminals.
SEL313X
OK or NG
OK©Check the following.
IDoor key cylinder switch LH ground circuit
IHarness for open or short between smart entrance control unit and door key cylinder
switch LH
NG©Replace door key cylinder switch LH.
POWER DOOR LOCK
Trouble Diagnoses (Cont'd)
EL-266