2001 INFINITI QX4 Factory Service Manual

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Page 1457 of 2395

INFINITI QX4 2001 Factory Service Manual SEL153WB
Interior Lamp OperationNBEL0112S0202When the following input signals are both supplied:
Idoor switch CLOSED (when all the doors are closed);
Idrivers door LOCKED;
multi-remote control system

Page 1458 of 2395

INFINITI QX4 2001 Factory Service Manual SchematicNBEL0113
MEL853L
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
MULTI-REMOTE CONTROL SYSTEM
Schematic
EL-273

Page 1459 of 2395

INFINITI QX4 2001 Factory Service Manual Wiring Diagram Ð MULTI ÐNBEL0114FIG. 1NBEL0114S01
MEL854L
MULTI-REMOTE CONTROL SYSTEM
Wiring Diagram Ð MULTI Ð
EL-274

Page 1460 of 2395

INFINITI QX4 2001 Factory Service Manual FIG. 2NBEL0114S02
MEL855L
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
MULTI-REMOTE CONTROL SYSTEM
Wiring Diagram Ð MULTI Ð (Contd)
EL-275

Page 1461 of 2395

INFINITI QX4 2001 Factory Service Manual FIG. 3NBEL0114S03
MEL856L
MULTI-REMOTE CONTROL SYSTEM
Wiring Diagram Ð MULTI Ð (Contd)
EL-276

Page 1462 of 2395

INFINITI QX4 2001 Factory Service Manual Trouble DiagnosesNBEL0115SYMPTOM CHARTNBEL0115S01NOTE:
IAlways check remote controller battery before replacing
remote controller.
IThe panic alarm operation of multi-remote control system does
not ac

Trouble DiagnosesNBEL0115SYMPTOM CHARTNBEL0115S01NOTE:
IAlways check remote controller battery before replacing
remote controller.
IThe panic alarm operation of multi-remote control system does
not activate with the ignition key inserted in the ignition key
cylinder.
Symptom Diagnoses/service procedureReference
page
(EL- )
All function of multi-remote control system do not
operate.1. Remote controller battery check 278
2. Power supply and ground circuit for control unit check 279
3. Replace romote controller. Refer to ID Code Entry Procedure. 291
The new ID of remote controller cannot be
entered.1. Remote controller battery check 278
2. Key switch (insert) check 282
3. Door switch check 281
4. Door lock/unlock switch LH check 283
5. Power supply and ground circuit for control unit check 279
6. Replace romote controller. Refer to ID Code Entry Procedure. 291
Door lock or unlock does not function.
(If the power door lock system does not operate
manually, check power door lock system. Refer to
EL-261.)1. Replace remote controller. Refer to ID Code Entry Procedure. 291
Hazard and horn reminder does not activate prop-
erly when pressing lock or unlock button of remote
controller.1. Harzard reminder check 285
2. Horn reminder check*
*: Horn chirp can be activated or deactivated.
First check the horn chirp setting. Refer to ªSystem Descriptionº,
EL-270.287
3. Door switch check 281
4. Replace remote controller. Refer to ID Code Entry Procedure. 291
Interior lamp operation does not activate properly. 1. Interior room lamp operation check 288
2. Door switch check 281
3. Front LH door unlock sensor check 284
Panic alarm (horn and headlamp) does not acti-
vate when panic alarm button is continuously
pressed.1. Theft warning operation check. Refer to ªPRELIMINALY
CHECKº in ªTHEFT WARNING SYSTEMº.306
2. Key switch (insert) check 282
3. Replace remote controller. Refer to ID Code Entry Procedure. 291
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
MULTI-REMOTE CONTROL SYSTEM
Trouble Diagnoses
EL-277

Page 1463 of 2395

INFINITI QX4 2001 Factory Service Manual REMOTE CONTROLLER BATTERY CHECK=NBEL0115S02
1 CHECK REMOTE CONTROLLER BATTERY
Remove battery (refer to EL-293) and measure voltage across battery positive and negative terminals, (+) and (þ).
Voltage

Page 1464 of 2395

INFINITI QX4 2001 Factory Service Manual POWER SUPPLY AND GROUND CIRCUIT CHECK=NBEL0115S04
1 CHECK MAIN POWER SUPPLY CIRCUIT FOR CONTROL UNIT
1. Disconnect connector from control unit.
2. Check voltage between smart entrance control unit ter

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