2009 NISSAN LATIO door lock

BL-142< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG OK >> Replace front door lock actuator LH (door unlock sen-
sor). Refer to BL-166, " Removal and Installation " .
NG >> Replace Intelligent Key unit. Refer to BL-158, " Removal
and Installation of Intelligent Key Unit " .
Intelligent Key Warning Buzzer(s) Check INFOID:00000000043050561.
CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1. Disconnect inoperative Intelligent Key warning buzzer connector.
2. Check voltage between Intelligent Key warning buzzer connector and ground.
OK or NG OK >> GO TO 2
NG >> Repair or replace Intelligent Key warning buzzer power supply circuit. 2.
CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit c onnector and inoperative Intelligent Key warning buzzer
connector.
3. Check continuity between Intelligent Key unit connector and ground.
OK or NG OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and Intelligent Key warning buzzer. 3.
CHECK INTELLIGENT KEY WA RNING BUZZER OPERATION
Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 2, and check the operation. Terminals
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Terminal
M52 28 Ground 5 PIIB6638E
Terminals
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key warning buzzer
connector Terminal
Front door LH D6 1 Ground Battery voltage
Trunk (sedan) B32 PIIB6622E
A B
Continuity
Intelligent
Key unit
connector Terminal
Intelligent Key warning
buzzer connector Terminal
M52 4 Front door LH D6
2 Yes
Trunk (sedan) B32
A GroundContinuity
Intelligent Key unit con-
nector Terminal
M52 4 No PIIB6623E

INTELLIGENT KEY SYSTEM
BL-147
< SERVICE INFORMATION >
C
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OK or NG OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and inside key antenna. 3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace inside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit and inside key antenna connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG OK >> Replace malfunction inside key antenna.
NG >> Replace Intelligent Key unit.
Steering Lock Solenoid Check INFOID:00000000043050601.
CHECK STEERING LOCK SOLENOID POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect steering lock solenoid connector.
3. Check voltage between steering lock solenoid and ground.
OK or NG OK >> GO TO 2
NG >> Repair or replace steering lock solenoid power supply
circuit. 2.
CHECK STEERING LOCK SOLENOID GROUND CIRCUIT A
GroundContinuity
Intelligent Key unit
connector Terminal
M52 Instrument panel
13
No
14
Front console 15
16
Rear floor 33
34 Terminals
ConditionSignal
(Reference value.)
(+)
(–)
Intelligent Key unit
connector Ter-
minal
M52 Instrument
panel area 13
Ground Any door
is open →
close
Front con-
sole area 15
Rear floor area 33 WIIA1200E
PIIB5502J
Terminals Voltage (V)(Approx.)
(+)
(–)
Steering lock sole-
noid Terminal
M6 1 Ground Battery voltage PIIB6632E

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3. Remove the check link bolt.
4. Remove the hinge nuts and the door assembly.
Installation Installation is in the reverse order of removal.
BACK DOOR
Removal 1. Remove the back door glass. Refer to GW-16 .
2. Remove the back door lock assembly. Refer to BL-172 .
3. Remove the back door wire harness.
4. Remove the rear washer nozzle and hose from the back door. Refer to WW-32, " Removal and Installa-
tion " .
5. Support the back door. CAUTION:
Two technicians should be used to avoid damaging the back door during removal.
6. Remove the back door stays.
7. Remove the door side nuts and the back door assembly.
Installation Installation is in the reverse order of removal.
• Align the back door. Refer to BL-160, " Fitting Adjustment " .
14.7 N·m (1.5 kg-m, 11 ft-lb)

Removal and Installation " .
2. Fully close front door window.
3. Remove the front door sealing screen. NOTE:
If sealing screen is reused, cut butyl tape in a way that leaves it on the sealing screen.
4. Remove front door rear glass run channel. Refer to GW-44, " Removal and Installation " .
5. Remove the cables from the holder.
6. Remove inside handle bolt, and slide the handle toward the rear of the vehicle.
7. Disengage the handle from the door panel, and remove the inside handle. 1. Front door 2. Inside handle 3. Inside handle cable
4. Door lock assembly 5. Outside handle cable 6. TORX bolt (T30)
7. Key cylinder connecting rod 8. Grommet 9. TORX bolt (T30)
10. Rear gasket 11. Door key cylinder assembly (Driver's side)
Outside handle escutcheon
(passenger's side) 12. Outside handle
13. Front gasket 14. Lock knob cable 15. Holder
16. Outside handle bracket PIIB6524E

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8. Disconnect the inside handle cable and lock knob cable from the
inside handle.
CAUTION:
During removal and installation , work so as not to bend the
ends of the lock knob cable and inside handle cable.
9. Remove the door side grommet, and the door key cylinder assembly (escutcheon) bolt.
10. Remove the key cylinder connecting rod (key cylinder side).
11. If equipped, disconnect the door antenna, the door request switch connector and remove the harness clamp. (Vehicle with
intelligent key systems only).
12. Remove the door cylinder assembly while pulling the outside handle forward.
13. Pull the outside door handle forward and then slide it toward the rear of the vehicle to remove.
14. Remove the front and rear gaskets. PIIB5808E
PIIB5809E
PIIB6526E

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REAR DOOR LOCK
Component Parts Location INFOID:0000000004305081
Removal and Installation INFOID:0000000004305082
REMOVAL 1. Remove the partition glass. Refer to GW-48 .
2. Support door glass while lifting it up to the door window completely closed position.
3. Remove inside handle bolt, slide handle toward rear of vehicle, disconnect it from the door panel, and remove the inside handle.
4. Disconnect the inside handle and lock knob cables from the inside handle.
CAUTION:
During removal and installation, do not to bend the ends of
the lock knob cable and inside handle cable.
1. Rear door 2. Inside handle 3. Inside handle cable
4. Door lock assembly 5. TORX bolt (T30) 6. Outside handle cable
7. Grommet 8. TORX bolt (T30) 9. Rear gasket
10. Outside handle escutcheon 11. Outside handle 12. Front gasket
13. Lock knob cable 14. Outside handle bracket PIIB6525E

BL-170< SERVICE INFORMATION >
REAR DOOR LOCK
5. Remove the door side grommet, and the outside handle escutcheon screw.
6. Pull the outside handle forward (1), while removing outside han- dle escutcheon (2).
7. Pull outside door handle forward (1), and slide it toward the rear of the vehicle to remove (2).
8. Remove the front and rear gaskets.
9. Remove the door lock assembly screws. PIIB5808E
PIIB5809E
PIIB5810E
PIIB6526E
: 5.8 N·m (0.6 kg-m, 51.4 in-lb)
PIIB6527E

REAR DOOR LOCK
BL-171
< SERVICE INFORMATION >
C
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M A
B BL
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10. Slide the outside handle bracket toward the rear of vehicle,
remove the outside handle bracket and the door lock assembly.
11. If equipped, disconnect the door lock assembly electrical connector.
12. Disconnect the outside handle cable from the outside handle bracket.
INSTALLATION Installation is in the reverse order of removal.
CAUTION:
• To install each rod, be sure to rotate the rod holder until a click is felt.
• When installing door lock assembly, be careful when rotating the outside handle cable as shown.
- Place the outside handle bracket cable on the inside of door
lock assembly before installing. PIIB6528E
PIIB5815E
PIIB6529E