NISSAN LATIO 2010 Service Repair Manual

BL-182
< SERVICE INFORMATION >
BACK DOOR LOCK
Data Monitor
Active Test
Work FlowINFOID:0000000005396656
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-172, "
System Description".
3. Repair or replace any malfunctioning parts. Refer to BL-182, "
Trouble Diagnosis Chart by Symptom".
4. Does back door opener operate normally? If Yes, GO TO 5. If No, GO TO 3.
5. Inspection End.
Trouble Diagnosis Chart by SymptomINFOID:0000000005396657
BCM Power Supply and Ground Circuit InspectionINFOID:0000000005612418
1.CHECK FUSES AND FUSIBLE LINK
• Check 40A fusible link (letter g , located in the fuse and fusible link box).
• Check 10A fuses [No. 6, 8 and 20, lo cated in the fuse block (J/B)].
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "Schematic" .
Monitor itemContent
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
TRNK OPNR SW Indicates [ON/OFF] condition of back door open signal from back door opener switch.
VEHICLE SPEED Indicates [km/h] condition of vehicle speed.
Test item Content
TRUNK/BACK DOOR This test is able to check back door lock assembly (actuator) unlock operation.
Actuator opens back door lock assembly when “OPEN” on CONSULT-III screen is touched.
Symptom
Diagnoses/service procedureReference
page
Back door opener does not operate.
(Without Intelligent Key or power windows) 1. Check BCM power supply and ground circuit.
BCS-16
2. Check back door opener switch circuit. BL-183
3. Check back door lock assembly (actuator) circuit.BL-190
4. Replace BCM.BCS-19
Back door opener does not operate.
(Without Intelligent Key, with power windows)1. Check BCM power supply and ground circuit.
BCS-162. Check back door opener switch circuit. BL-186
3. Check back door lock assembly (actuator) circuit.BL-190
4. Replace BCM.BCS-19
Back door opener does not operate.
(With Intelligent Key)1. Check BCM power supply and ground circuit.
BCS-16
2.Check Intelligent Key power supply and ground cir-
cuit. BL-126
3. Check back door opener switch circuit.
BL-188
4. Check back door lock assembly (actuator) circuit.BL-190
5. Replace BCM.BCS-19
Revision: January 20102010 Versa

BACK DOOR LOCKBL-183
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
2.CHECK BCM POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM connectors and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace the harness.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Repair or replace harness.
Check Back Door Opener S witch Circuit (Without Intellig ent Key or Power Windows)
INFOID:0000000005396659
1.CHECK BACK DOOR OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock knob LH is turned to the UNLOCK position.
2. Check back door 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.
Connector Te r m i n a l s
Power
source Condition Voltage (V) (Ap-
prox.)
(+) (-)
M18 11 Ground
ACC
power
supply Ignition
switch
ACC or ON Battery voltage
38 Ground Ignition
power
supply Ignition
switch ON
or START Battery voltage
M20 57 Ground
Battery
power
supply Ignition
switch OFF Battery voltage
70 Ground Battery
power
supply Ignition
switch OFF Battery voltage
LIIA2415E
67 - Ground
: Continuity should exist.
LIIA0915E
Test item Condition
TRNK OPNR SW Back door opener switch is pushed: ON
Back door opener switch is released: OFF
Revision: January 20102010 Versa

BL-184
< SERVICE INFORMATION >
BACK DOOR LOCK
OK or NG
OK >> Back door opener switch is OK.
NG >> GO TO 2
2.CHECK BACK DOOR OPENER SWITCH CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect BCM and back door opener switch connector.
3. Check continuity between BCM connector (A) M18 terminal 30 and back door 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 BACK DOOR OPENER SWITCH
Check continuity between back door opener switch terminals 1 and 2.
OK or NG
OK >> GO TO 4
NG >> Replace back door opener switch.
4.CHECK BACK DOOR OPENER SWITCH CIRCUIT 2
1. Disconnect front door lock actuator LH (door unlock sensor) connector.
2. Check continuity between back door opener switch connector (A) D408 terminal 2 and front door lock
actuator LH (door unlock sensor) connector (B) D3 terminal 4.
Te r m i n a l s
Door conditionVoltage (V)
(Approx.)
(+)
(–)
BCM
connector Te r m i n a l
M18 30 Ground Back door
opener switch Pushed
0
Released Battery voltage
PIIB6468E
AB Continuity
BCM connector Terminal Back door opener
switch connector Te r m i n a l
M18 30D408 1Yes
A GroundContinuity
BCM connector Terminal
M18 30 No
PIIB6469E
Te r m i n a l
Back door opener
switch condition Continuity
Back door opener switch
12 Pushed Yes
Released No
PIIB6470E
Revision: January 20102010 Versa

BACK DOOR LOCKBL-185
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
3. Check continuity between back door opener switch connector (A) D408 terminal 2 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace harness between back door 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.
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 back door opener switch connector D408 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-166
.
7.CHECK BACK DOOR OPENER SWITCH SIGNAL 2
1. Connect BCM connector.
2. Check voltage between BCM connector M18 terminal 30 and ground.
AB
Continuity
Back door opener
switch connector Te r m i n a lFront door lock ac-
tuator LH (door un-
lock sensor)connector Te r m i n a l
D408 2D3 4Yes
Back door opener switch connector Te r m i n a l
GroundContinuity
D408 2 No
WIIA1272E
Front door lock actuator
LH (door unlock sensor) connec-
tor Te r m i n a l
GroundContinuity
D3 5 Yes
PIIB6423E
Back door
opener switch connector Te r m i n a l
Front door lock
knob LH position Continuity
D408 2 Ground Unlock
Yes
Lock No
PIIB6472E
Revision: January 20102010 Versa

BL-186
< SERVICE INFORMATION >
BACK DOOR LOCK
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace BCM. Refer to BCS-19, "
Removal and Installa-
tion of BCM".
Check Back Door Opener Switch Circuit (Without Intelligent Key, with Power Windows)
INFOID:0000000005396660
1.CHECK BACK DOOR OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock knob RH is turned to the UNLOCK position.
2. Check back door 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.
OK or NG
OK >> Back door opener switch is OK.
NG >> GO TO 2
2.CHECK BACK DOOR OPENER SWITCH CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect BCM and back door opener switch connector.
3. Check continuity between BCM connector (A) M18 terminal 30 and back door opener switch connector (B) terminal 1.
4. Check continuity between BCM connector (A) M18 terminal 30 and ground.
Te r m i n a l s
Voltage (V)
(Approx.)
(+)
(–)
BCM connector Terminal
M18 30Ground Battery voltage
PIIB6468E
Test item Condition
TRNK OPNR SW Back door opener switch is pushed: ON
Back door opener switch is released: OFF
Te r m i n a l s
Door conditionVoltage (V)
(Approx.)
(+)
(–)
BCM
connector Te r m i n a l
M18 30 Ground Back door
opener switch Pushed
0
Released Battery voltage
PIIB6468E
AB Continuity
BCM connector Terminal Back door opener
switch connector Te r m i n a l
M18 30D408 1Yes
PIIB6469E
Revision: January 20102010 Versa

BACK DOOR LOCKBL-187
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness.
3.CHECK BACK DOOR OPENER SWITCH
Check continuity between back door opener switch terminals 1 and 2.
OK or NG
OK >> GO TO 4
NG >> Replace back door opener switch.
4.CHECK BACK DOOR OPENER SWITCH CIRCUIT 2
1. Disconnect front door lock actuator RH (door unlock sensor) connector.
2. Check continuity between back door opener switch connector (A) D408 terminal 2 and front door lock actuator RH (door unlock sensor) connector (B) D114 terminal 4.
3. Check continuity between back door opener switch connector (A) D408 terminal 2 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace harness between back door opener switch and front door lock actuator RH (door unlock sensor).
5.CHECK FRONT DOOR LOCK ACTUATOR RH (DOOR UNLOCK SENSOR) GROUND CIRCUIT
Check continuity between front door lock actuator RH (door unlock sensor) connector terminal 5 and ground.
A
GroundContinuity
BCM connector Terminal
M18 30 No
Te r m i n a l
Back door opener
switch condition Continuity
Back door opener switch
12 Pushed
Yes
Released No
PIIB6470E
AB
Continuity
Back door opener
switch connector Te r m i n a lFront door lock ac-
tuator RH (door un- lock sensor)
connector Te r m i n a l
D408 2 D114 4 Yes
Back door opener switch connector Te r m i n a l
GroundContinuity
D408 2 No
WIIA1271E
Revision: January 20102010 Versa

BL-188
< SERVICE INFORMATION >
BACK DOOR LOCK
OK or NG
OK >> GO TO 6
NG >> Repair or replace harness.
6.CHECK UNLOCK SENSOR FUNCTION
1. Connect front door lock actuator RH (door unlock sensor) connector.
2. Check continuity between back door opener switch connector D408 terminal 2 and ground.
OK or NG
OK >> GO TO 7
NG >> Replace front door lock actuator RH (door unlock sen- sor). Refer to BL-166
.
7.CHECK BACK DOOR OPENER SWITCH SIGNAL 2
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace BCM. Refer to BCS-19, "
Removal and Installa-
tion of BCM".
Check Back Door Opener Switch Circuit (With Intelligent Key)INFOID:0000000005396661
1.CHECK BACK DOOR OPENER SWITCH SIGNAL
With CONSULT-III
Check back door opener switch (“TRNK OPNR SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
Front door lock actuator
RH (door unlock sensor) connec-
tor Te r m i n a l
GroundContinuity
D114 5 Yes
WIIA1273E
Back door
opener switch connector Te r m i n a l
Front door lock
knob RH position Continuity
D408 2 Ground Unlock
Yes
Lock No
PIIB6472E
Te r m i n a l s
Voltage (V)
(Approx.)
(+)
(–)
BCM connector Terminal
M18 30Ground Battery voltage
PIIB6468E
Test item Condition
TRNK OPNR SW Back door opener switch is pushed: ON
Back door opener switch is released: OFF
Revision: January 20102010 Versa

BACK DOOR LOCKBL-189
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Check voltage between Intelligent Key unit connector M52 terminal
24 and ground.
OK or NG
OK >> Back door opener switch is OK.
NG >> GO TO 2
2.CHECK BACK DOOR OPENER SWITCH CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and back door opener switch connector.
3. Check continuity between Intelligent Key unit c onnector (A) M52 terminal 24 and back door opener switch
connector (B) terminal 1.
4. Check continuity between Intelligent Key unit connector (A) M52 terminal 24 and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness.
3.CHECK BACK DOOR OPENER SWITCH
Check continuity between back door opener switch terminals 1 and 2.
OK or NG
OK >> GO TO 4
NG >> Replace back door opener switch.
4.CHECK BACK DOOR OPEN ER SWITCH GROUND CIRCUIT
Te r m i n a l s
Door conditionVoltage (V)
(Approx.)
(+)
(–)
Intelligent
Key unit
connector Te r m i n a l
M52 24 Ground Back door
opener switch Pushed
0
Released 5
WIIA1279E
AB Continuity
Intelligent Key unit
connector Te r m i n a l
Back door opener
switch connector Te r m i n a l
M52 24D408 1Yes
A GroundContinuity
Intelligent Key unit connector Terminal
M52 24 No
WIIA1280E
Te r m i n a l
Back door opener
switch condition Continuity
Back door opener switch
12 Pushed
Yes
Released No
PIIB6470E
Revision: January 20102010 Versa

BL-190
< SERVICE INFORMATION >
BACK DOOR LOCK
Check continuity between back door opener switch connector termi-
nal 2 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace harness.
5.CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit connector M52 terminal 24 and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace Intelligent Key unit. Refer to BL-158, "
Removal
and Installation of Intelligent Key Unit".
Check Back Door Lock Asse mbly (Actuator) CircuitINFOID:0000000005396662
1.CHECK BACK DOOR LOCK ASSE MBLY (ACTUATOR) FUNCTION
With CONSULT-III
Check the operation with (“TRUNK/BACK DOOR”) in the ACTIVE TEST.
YES or NO
YES >> Back door lock assembly (actuator) is OK.
NO >> GO TO 2
2.CHECK BACK DOOR LOCK ASSEMB LY (ACTUATOR) POWER SUPPLY
1. Turn ignition switch OFF.
2. Insure both front door lock knobs are turned to the UNLOCK position.
3. Disconnect back door lock assembly (actuator) connector.
4. Check voltage between back door lock assembly (actuator) connector D405 terminal 1 and ground.
Back door opener switch connector Te r m i n a l
GroundContinuity
D408 2 Yes
PIIB6472E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 24Ground 5
WIIA1279E
Does back door actuator system operate normally?
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+)
(–)
Back door
lock as-
sembly (ac-
tuator)
connector Te r m i n a l
D405 1 Ground Back door
opener switch Pushed 0
↓
Battery voltage ↓0
Released 0
WIIA1275E
Revision: January 20102010 Versa

BACK DOOR LOCKBL-191
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK or NG
OK >> GO TO 3
NG >> GO TO 4
3.CHECK BACK DOOR LOCK ASSEMBLY (ACTUATOR) GROUND CIRCUIT
Check continuity between back door lock assembly (actuator) con-
nector D405 terminal 2 and ground.
OK or NG
OK >> Replace back door lock assembly (actuator). Refer to BL-172
.
NG >> Repair or replace harness.
4.CHECK BACK DOOR LOCK AS SEMBLY (ACTUATOR) CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector (A) M19 terminal 53 and back door lock assembly (actuator) connector (B) D405 terminal 1.
3. Check continuity between BCM connector (A) M19 terminal 53 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace harness between BCM and back door lock assembly (actuator).
5.CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector M19 terminal 53 and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace BCM. Refer to BCS-19, "
Removal and Installation of BCM".
Back door lock assembly (actua-
tor) connector Te r m i n a l
GroundContinuity
D405 2 Yes
WIIA1276E
AB
Continuity
BCM connector Terminal Back door opener
actuator connector Te r m i n a l
M19 53D405 1Yes
BCM connector Terminal
GroundContinuity
M19 53 No
WIIA1277E
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+)
(–)
BCM
connector Te r m i n a l
M19 53 Ground Back door
opener switch Pushed 0
↓
Battery voltage ↓0
Released 0
PIIB6477E
Revision: January 20102010 Versa