1999 NISSAN PICK-UP Repair Manual

Schematic
HEL773A
MULTI-REMOTE CONTROL SYSTEM
EL-2130

Wiring Diagram Ð MULTI Ð
HEL774A
MULTI-REMOTE CONTROL SYSTEM
EL-2131

HEL775A
MULTI-REMOTE CONTROL SYSTEM
Wiring Diagram Ð MULTI Ð (Cont'd)
EL-2132

HEL776A
MULTI-REMOTE CONTROL SYSTEM
Wiring Diagram Ð MULTI Ð (Cont'd)
EL-2133

HEL777A
MULTI-REMOTE CONTROL SYSTEM
Wiring Diagram Ð MULTI Ð (Cont'd)
EL-2134

Trouble Diagnoses
SYMPTOM CHART
Symptom Possible cause Diagnoses/service order
No doors can be locked or un-
locked by remote control opera-
tion. (See NOTE.)1. Remote controller battery
2. Key switch (insert)
3. Door switch
4. Power supply circuit for multi-
remote control unit
5. Ground circuit for multi-remote
control unit
6. Remote controller1. Check remote controller battery. Refer to EL-2136.
2. Check key switch (insert) signal at terminal
V7of
multi-remote control unit.
3. Check door switch signal at terminals
V1andV2
of multi-remote control unit.
4. Make sure battery voltage is present at terminal
V3of multi-remote control unit.
5. Check continuity between terminal
V5of multi-re-
mote control unit and ground.
6. Replace remote controller. Refer to EL-2139.
Driver's door cannot be locked or
unlocked by remote controller
operation.Driver side door lock actuator cir-
cuitCheck driver side door lock actuator circuit. Refer to
EL-2137.
Doors other than driver side cannot
be locked or unlocked by remote
control operation.
(If the power door lock system
does not operate correctly, check
power door lock system. Refer to
EL-2122.)Lock/unlock signal to smart
entrance control unit
lWhen locking is not possible:
Check continuity between terminal
V10of multi-remote
control unit and terminal
V4of smart entrance control
unit.
lWhen unlocking is not possible:
Check continuity between terminal
V11of multi-remote
control unit and terminal
V5of smart entrance control
unit.
Hazard reminder does not operate
properly.1. 10A fuse
2. Multi-remote control relay-1 and
2
3. Hazard reminder circuit1. Check 10A fuse (No.
5, located in the fuse block).
2. Check multi-remote control relay-1 and 2.
3. Check harness for open or short between relays and
multi-remote control unit terminal
V12.
The new ID of remote controller
cannot be entered.1. Remote controller battery
2. Key switch (insert)
3. Door switch
4. Driver's door unlock sensor
5. Accessory power supply circuit
for multi-remote control unit
6. Remote controller1. Check remote controller battery. Refer to EL-2136.
2. Check key switch (insert) signal at terminal
V7of
multi-remote control unit.
3. Check door switch signal at terminals
V1andV2of
multi-remote control unit.
4. Check driver's door unlock sensor signal at terminal
V6of multi-remote control unit.
5. Make sure battery voltage is present at terminal
V8
of multi-remote control unit while ignition switch is in
ACC position.
6. Replace remote controller. Refer to EL-2139.
Refer to ``MULTI-REMOTE CONTROL UNIT INSPECTION TABLE'' on next page to check the control unit
signals.
NOTE:
lAlways check remote controller battery before replacing remote controller.
lThe unlock operation of multi-remote control system does not activate with key inserted in the ignition
key cylinder.
lThe lock operation of multi-remote controller does not activate with the key inserted ignition key cylin-
der or if one of the door is opened.
MULTI-REMOTE CONTROL SYSTEM
EL-2135

MULTI-REMOTE CONTROL UNIT INSPECTION TABLE
Terminal
No.Connections ConditionVoltage V
(approximate
values)
1 Driver side door switch Driver side doorOpened 0
Closed 12
2 Door switch (all doors)One of doors is opened 0
All doors are closed 12
3 Power source (BAT) Ð 12
5 Ground Ð Ð
6 Driver side door unlock sensor Driver side doorLocked 5
Unlocked 0
7 Key switch (insert)Key is in ignition key cylinder 12
Key is not in ignition key cylinder 0
8 Accessory power supply Ignition switchOFF 0
ACC or ON 12
10 Lock signalRemote controller LOCK button is pushed
(All doors are closed and key is not in ignition key cylinder.)0
Other than above condition 12
11 Unlock signalRemote controller UNLOCK button is pushed
(Key is not in ignition key cylinder.)0
Other than above condition 12
12 Multi-remote control relay-1, 2Remote controller LOCK/UNLOCK button is pushed
(All doors are closed and key is not in ignition key cylinder.)0
Other than above condition 12
REMOTE CONTROLLER BATTERY CHECK
Remove battery and measure voltage across battery positive
and negative terminals,
Åand@.
Measuring terminal
Standard value
Å@
Battery positive terminal
ÅBattery negative [email protected] - 3.0V
Note:
Remote controller does not function if battery is not set
correctly.
SEL439V
SEL672U
MULTI-REMOTE CONTROL SYSTEM
Trouble Diagnoses (Cont'd)
EL-2136

DRIVER SIDE DOOR LOCK ACTUATOR CHECK
CHECK DOOR LOCK RELAY.
Refer to EL-2138.
OK
cNG
Replace the relay.
CHECK POWER SUPPLY FOR DOOR
LOCK RELAY.
Check voltage between door lock relay
terminal
V3and ground.
Battery voltage should exist.
OK
cNG
Check the following.
l30A fusible link (letter
b, located in fusible
link and fuse box)
(No.
3, located in the
fusible link and fusible
link box).
lCheck harness for open
or short between fusible
link and relay.
CHECK GROUND CIRCUIT FOR DOOR
LOCK RELAY.
Check continuity between door lock
relay terminal
V2and ground.
Continuity should exist.
OK
cNG
Repair harness.
CHECK LOCK SIGNAL FOR DOOR
LOCK RELAY.
Check continuity between door lock relay
terminal
V6and multi-remote control unit
terminal
V10.
Continuity should exist.
OK
cNG
Check harness for open or
short between door lock
relay and multi-remote
control unit.
CHECK UNLOCK SIGNAL FOR DOOR
LOCK RELAY.
Check continuity between door lock relay
terminal
V5and multi-remote control unit
terminal
V11.
Continuity should exist.
OK
cNG
Check harness for open or
short between door lock
relay and multi-remote
control unit.
CHECK DOOR LOCK ACTUATOR CIR-
CUIT.
1. Connect the relays.
2. Disconnect driver side door lock actua-
tor.
3. Check continuity between driver side
door lock actuator and door lock relay.
Continuity should exist.
OK
cNG
Check harness for open or
short between door lock
relay and door lock actua-
tor.
Replace door lock actuator.
SEL412W
SEL413W
SEL414W
SEL415W
SEL639W
.
.
.
.
.
.
MULTI-REMOTE CONTROL SYSTEM
Trouble Diagnoses (Cont'd)
EL-2137