2008 NISSAN LATIO trunk release

TRUNK LID
BL-171
< SERVICE INFORMATION >
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3. Remove the nuts (a) and the trunk lid assembly (1).
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
After installing, apply touch-up paint (body color) to the head of the hinge nuts.
Trunk Lid LockINFOID:0000000001704067
REMOVAL
1. Remove the trunk lid finisher. Refer to EI-53.
2. If equipped, disconnect the trunk lid lock cylinder rod.
3. Remove the release cable.
4. Disconnect the electrical connector (a), remove the bolts (b) and
the trunk lid lock (1).
INSTALLATION
Installation is in the reverse order of removal.
Trunk Lid StrikerINFOID:0000000001704068
REMOVAL
1. Remove the trunk rear plate and trunk rear finisher. Refer to EI-53.
2. Remove the bolts, disconnect the electrical connector and remove the trunk lock actuator.
3. Remove the bolt and disconnect the trunk lid release cable.
LIIA2933E
LIIA2935E

TRUNK LID OPENER
BL-173
< SERVICE INFORMATION >
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TRUNK LID OPENER
Component Parts and Harness Connector LocationINFOID:0000000001704069
System DescriptionINFOID:0000000001704070
Power is supplied at all times
• through 40A fusible link (letter g, located in fuse and fusible link box)
• to BCM terminal 70
• through 10A fuse [No. 8, located in fuse block (J/B)]
• to BCM terminal 57
• through 10A fuse [No. 31, located in fuse block (J/B)]
• to Intelligent Key unit terminal 11 (with Intelligent Key).
Ground is supplied
• to BCM terminal 67 and
• to Intelligent Key unit terminal 12 (with Intelligent Key)
• through body grounds M57 and M61.
When trunk lid opener switch is ON (pushed), ground is supplied
• to BCM terminal 30 (without Intelligent Key)
• through trunk lid opener switch terminals 1 and 2
• through front door lock actuator LH (door unlock sensor) terminals 4 and 5 (without power windows) or
• through front door lock actuator RH (door unlock sensor) terminals 4 and 5 (with power windows)
• through body grounds M57 and M61
• to Intelligent Key unit terminal 24 (with Intelligent Key)
• through trunk lid opener switch terminals 1 and 2
• through body grounds B117 and B132.
Then power is supplied
• through BCM terminal 53
• to trunk lamp switch and trunk release solenoid terminal 2.
Ground is supplied
LIIA2918E
1. BCM M18, M19, M20
(view with glove box removed)2. Intelligent Key unit M52
(with Intelligent Key)3. Lamp switch and trunk release sole-
noid B127
4. Trunk lid opener switch B128 5. Front door lock actuator (door unlock
sensor) LH D3, RH D114

BL-174
< SERVICE INFORMATION >
TRUNK LID OPENER
• to trunk lamp switch and trunk release solenoid terminal 1
• through body grounds B117 and B132.
Then BCM operates trunk lamp switch and trunk release solenoid.
Wiring Diagram - TLID -INFOID:0000000001704071
WITHOUT INTELLIGENT KEY SYSTEM
WIWA2278E

TRUNK LID OPENER
BL-177
< SERVICE INFORMATION >
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BCM Power Supply and Ground CircuitINFOID:0000000001704077
Refer to BCS-15, "BCM Power Supply and Ground Circuit Inspection".
Check Trunk Lid Opener Switch Circuit (Without Intelligent Key or Power Windows)
INFOID:0000000001704078
1.CHECK TRUNK LID OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock knob LH is turned to the UNLOCK position.
2. Check trunk lid opener switch (“TRNK OPNR SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
1. Insure front door lock knob LH is turned to the UNLOCK position.
2. Check voltage between BCM connector M18 terminal 30 and ground.
OK or NG
OK >> Trunk lid opener switch is OK.
NG >> GO TO 2.
2.CHECK TRUNK LID OPENER SWITCH CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect BCM and trunk lid opener switch connector.
3. Check continuity between BCM connector (A) M18 terminal 30 and trunk lid opener switch connector
B128 (B) terminal 1.
Trunk lid opener does not operate.
(Without Intelligent Key, with power windows)1. Check BCM power supply and ground circuit.BCS-152. Check trunk lid opener switch circuit.BL-179
3. Check trunk lid lock assembly (actuator) circuit.BL-183
4. Replace BCM.BCS-18
Trunk lid opener does not operate.
(With Intelligent Key)1. Check BCM power supply and ground circuit.BCS-15
2.Check Intelligent Key power supply and ground cir-
cuit.BL-110
3. Check trunk lid opener switch circuit.BL-182
4. Check trunk lid lock assembly (actuator) circuit.BL-183
5. Replace BCM.BCS-18
Symptom Diagnoses/service procedureReference
page
Test item Condition
TRNK OPNR SWTrunk lid opener switch is pushed: ON
Trunk lid opener switch is released: OFF
Te r m i n a l s
Door conditionVoltage (V)
(Approx.) (+)
(–)
BCM
connectorTe r m i n a l
M18 30 GroundTrunk lid open-
er switchPushed 0
Released Battery voltage
PIIB6468E

BL-178
< SERVICE INFORMATION >
TRUNK LID OPENER
4. Check continuity between BCM connector (A) M18 terminal 30
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK TRUNK LID OPENER SWITCH
Check continuity between trunk lid opener switch terminals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace trunk lid opener switch.
4.CHECK TRUNK LID OPENER SWITCH CIRCUIT 2
1. Disconnect front door lock actuator LH (door unlock sensor) connector.
2. Check continuity between trunk lid opener switch connector (A) B128 terminal 2 and front door lock actu-
ator LH (door unlock sensor) connector (B) D3 terminal 4.
3. Check continuity between trunk lid opener switch connector (A)
B128 terminal 2 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness between trunk lid opener switch and front door lock actuator LH (door
unlock sensor).
5.CHECK FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR) GROUND CIRCUIT
Check continuity between front door lock actuator LH (door unlock sensor) connector terminal 5 and ground.
AB
Continuity
BCM connector TerminalTrunk lid opener
switch connectorTe r m i n a l
M18 30 B128 1 Yes
A
GroundContinuity
BCM connector Terminal
M18 30 No
PIIB6469E
Te r m i n a l
Trunk lid opener
switch conditionContinuity
Trunk lid opener switch
12Pushed Yes
Released No
PIIB6470E
AB
Continuity
Trunk lid opener
switch connectorTe r m i n a lFront door lock ac-
tuator LH (door un-
lock sensor)
connectorTe r m i n a l
B128 2 D3 4 Yes
Trunk lid opener
switch connectorTe r m i n a l
GroundContinuity
B128 2 No
WIIA1272E

TRUNK LID OPENER
BL-179
< SERVICE INFORMATION >
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OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness.
6.CHECK UNLOCK SENSOR FUNCTION
1. Connect front door lock actuator LH (door unlock sensor) connector.
2. Check continuity between trunk lid opener switch connector B128 terminal 2 and ground.
OK or NG
OK >> GO TO 7.
NG >> Replace front door lock actuator LH (door unlock sen-
sor). Refer to BL-150
.
7.CHECK TRUNK LID OPENER SWITCH SIGNAL 2
1. Connect BCM connector.
2. Check voltage between BCM connector M18 terminal 30 and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace BCM. Refer to BCS-18, "
Removal and Installa-
tion of BCM".
Check Trunk Lid Opener Switch Circuit (Without Intelligent Key, with Power Windows)
INFOID:0000000001704079
1.CHECK TRUNK LID OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock knob RH is turned to the UNLOCK position.
2. Check trunk lid opener switch (“TRNK OPNR SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
1. Insure front door lock knob RH is turned to the UNLOCK position.
2. Check voltage between BCM connector M18 terminal 30 and ground.
Front door lock actuator
LH (door unlock sensor) connec-
torTe r m i n a l
GroundContinuity
D3 5 Yes
PIIB6423E
Trunk lid opener
switch connec-
torTe r m i n a lFront door lock
knob LH positionContinuity
B128 2 GroundUnlock Yes
Lock No
PIIB6472E
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M18 30 Ground Battery voltage
PIIB6468E
Test item Condition
TRNK OPNR SWTrunk lid opener switch is pushed: ON
Trunk lid opener switch is released: OFF

BL-180
< SERVICE INFORMATION >
TRUNK LID OPENER
OK or NG
OK >> Trunk lid opener switch is OK.
NG >> GO TO 2.
2.CHECK TRUNK LID OPENER SWITCH CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect BCM and trunk lid opener switch connector.
3. Check continuity between BCM connector (A) M18 terminal 30 and trunk lid opener switch connector (B)
terminal 1.
4. Check continuity between BCM connector (A) M18 terminal 30
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK TRUNK LID OPENER SWITCH
Check continuity between trunk lid opener switch terminals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace trunk lid opener switch.
4.CHECK TRUNK LID OPENER SWITCH CIRCUIT 2
1. Disconnect front door lock actuator RH (door unlock sensor) connector.
2. Check continuity between trunk lid opener switch connector (A) B128 terminal 2 and front door lock actu-
ator RH (door unlock sensor) connector (B) D114 terminal 4.
Te r m i n a l s
Door conditionVoltage (V)
(Approx.) (+)
(–)
BCM
connectorTe r m i n a l
M18 30 GroundTrunk lid open-
er switchPushed 0
Released Battery voltage
PIIB6468E
AB
Continuity
BCM connector TerminalTrunk lid opener
switch connectorTe r m i n a l
M18 30 B128 1 Yes
A
GroundContinuity
BCM connector Terminal
M18 30 No
PIIB6469E
Te r m i n a l
Trunk lid opener
switch conditionContinuity
Trunk lid opener switch
12Pushed Yes
Released No
PIIB6470E

BL-182
< SERVICE INFORMATION >
TRUNK LID OPENER
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace BCM. Refer to BCS-18, "
Removal and Installa-
tion of BCM".
Check Trunk Lid Opener Switch Circuit (With Intelligent Key)INFOID:0000000001704080
1.CHECK TRUNK LID OPENER SWITCH SIGNAL
With CONSULT-III
Check trunk lid opener switch (“I-KEY TRNK”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
Check voltage between Intelligent Key unit connector M52 terminal
24 and ground.
OK or NG
OK >> Trunk lid opener switch is OK.
NG >> GO TO 2.
2.CHECK TRUNK LID OPENER SWITCH CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and trunk lid opener switch connector.
3. Check continuity between Intelligent Key unit connector (A) M52 terminal 24 and trunk lid opener switch
connector B128 (B) terminal 1.
4. Check continuity between Intelligent Key unit connector (A) M52
terminal 24 and ground.
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M18 30 Ground Battery voltage
PIIB6468E
Test item Condition
I-KEY TRNKTrunk lid opener switch is pushed: ON (momentarily)
Trunk lid opener switch is released: OFF
Te r m i n a l s
Door conditionVoltage (V)
(Approx.) (+)
(–) Intelligent
Key unit
connectorTe r m i n a l
M52 24 GroundTrunk lid open-
er switchPushed 0
Released 5
WIIA1279E
AB
Continuity
Intelligent Key unit
connectorTe r m i n a lTrunk lid opener
switch connectorTe r m i n a l
M52 24 B128 1 Yes
A
GroundContinuity
Intelligent Key unit connector Terminal
M52 24 No
WIIA1280E