NISSAN LATIO 2011 Service Repair Manual

BACK DOOR LOCKBL-181
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
10*1W CVT or A/T shift selec-
tor (park position
switch)
ONShift lever in park position.
0
Other than above Battery voltage
11 SB Power source (Fus e) — —Battery voltage
12 B Ground —— 0
13 V Instrument panel an-
tenna (+) signal
LOCK• Any door open
→ all door close
• Press ignition knob switch: ON (Ignition knob switch)
14 LG Instrument panel an-
tenna (-) signal
15 L Front console antenna
(+) signal
LOCK• Any door open
→ all door close
• Press ignition knob switch: ON (Ignition knob switch)
16 P Front console antenna
(-) signal
17 W Rear bumper antenna
(+) signal
LOCK Press back door request switch.
18 B Rear bumper antenna
(-) signal
19 V Front outside antenna
LH (+) signal
LOCK Press door request switch LH.
20 P Front outside antenna
LH (-) signal
22
*2BR Key interlock solenoid — With Intelligent Key present or mechanical
key in ignition cylinder, press "PUSH" but-
ton on ignition cylinder.
Battery voltage
Other than above 0
23 LG Back door open output — Back door open (switch closed)
0
Back door closed (switch open) 5
24 V Back door opener
switch —Press and hold back door switch.
0
Other than above 5
25 L Front door request
switch RH
—Press front door request switch RH.
0
Other than above 5
26 SB Stop lamp switch —Depress brake pedal
Battery voltage
Other than above 0
27 W Ignition knob switch — Press ignition switch.
Battery voltage
Release ignition switch. 0
Terminal
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch
Position Operation or Conditions
PIIB5502J
PIIB5502J
SIIA1910J
SIIA1910J
Revision: May 2010
2011 Versa

BL-182
< SERVICE INFORMATION >
BACK DOOR LOCK
*1: With continuously variable transmission (CVT) or automatic transmission (A/T).
*2: With manual transmission (M/T).
CONSULT-III Function (BCM)INFOID:0000000005929384
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
28 YUnlock sensor
(driver side) —Door (driver si
de) is locked. 5
Door (driver side ) is unlocked. 0
29 V Back door request
switch (hatchback)
—Press back door request switch.
0
Other than above 5
Trunk opener request
switch (sedan) —Press trunk opener request switch.
0
Other than above 5
31 BR Steering lock solenoid
ground ——
0
32 GR Steering lock solenoid
communication signal LOCKWhen Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above
5
33 R Rear floor antenna (+)
signal
LOCK• Any door open
→ all door close
• Press ignition knob switch: ON (Ignition
knob switch)
34 G Rear floor antenna (-)
signal
37 BR Front outside antenna
RH (+) signal
LOCK Press door request switch RH.
38 Y Front outside antenna
RH (-) signal
Te r m i n a l
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch
Position Operation or Conditions
SIIA1911J
PIIB5502J
SIIA1910J
Diagnostic mode
Description
WORK SUPPORT Supports inspections and adjustments. Commands are transmitted to the BCM for setting the status
suitable for required operation, input/output signals are received from the BCM and received date
is displayed.
DATA MONITOR Displays BCM input/output data in real time. ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
SELF DIAGNOSTIC RESULT Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read. ECU IDENTIFICATION BCM part number can be read.CONFIGURATION Performs BCM configuration read/write functions.
Revision: May 2010 2011 Versa

BACK DOOR LOCKBL-183
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
CONSULT-III APPLICATION ITEMS
Data Monitor
Active Test
Work FlowINFOID:0000000005929385
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-173, "
System Description".
3. Repair or replace any malfunctioning parts. Refer to BL-183, "
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:0000000005929386
BCM Power Supply and Gr ound Circuit InspectionINFOID:0000000006215774
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.
Monitor item Content
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 checks back door lock assembly operation.
Back door opens when “Open” is selected.
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-184
3. Check back door lock assembly (actuator) circuit.BL-191
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-187
3. Check back door lock assembly (actuator) circuit.BL-191
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-189
4. Check back door lock assembly (actuator) circuit.BL-191
5. Replace BCM.BCS-19
Revision: May 2010 2011 Versa

BL-184
< SERVICE INFORMATION >
BACK DOOR LOCK
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "Schematic" .
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 Sw itch Circuit (Without Intelligent Key or Power Windows)
INFOID:0000000005929388
1.CHECK BACK DOOR OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock assembly LH is in the UNLOCK position.
2. Check back door opener switch (“TRNK OPNR SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
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: May 2010
2011 Versa

BACK DOOR LOCKBL-185
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
1. Insure front door lock assembly LH is in 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.
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
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: May 2010 2011 Versa

BL-186
< SERVICE INFORMATION >
BACK DOOR LOCK
1. Disconnect front door lock assembly LH (door unlock sensor)connector.
2. Check continuity between back door opener switch connector
(A) D408 terminal 2 and front door lock assembly LH (door
unlock sensor) connector (B) D14 terminal 3.
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 assembly LH
(door unlock sensor).
5.CHECK FRONT DOOR LOCK ASSEMBLY LH (DOOR UNLOCK SENSOR) GROUND CIRCUIT
Check continuity between front door lock assembly LH (door unlock
sensor) connector terminal 4 and ground.
OK or NG
OK >> GO TO 6
NG >> Repair or replace harness.
6.CHECK UNLOCK SENSOR FUNCTION
1. Connect front door lock assembly LH (door unlock sensor) con- nector.
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 assembly LH (door unlock sensor). Refer to BL-167
.
7.CHECK BACK DOOR OPENER SWITCH SIGNAL 2
AB
Continuity
Back door opener
switch connector Te r m i n a lFront door lock as-
sembly LH (door unlock sensor) connector Te r m i n a l
D408 2D14 3Yes
Back door opener switch connector Te r m i n a l
GroundContinuity
D408 2 No
AWKIA1673ZZ
Front door lock assembly
LH (door unlock sensor) connec- tor Te r m i n a l
GroundContinuity
D14 4 Yes
AWKIA1672ZZ
Back door
opener switch
connector Te r m i n a l
Front door lock
assembly LH po-
sition Continuity
D408 2 Ground Unlock
Yes
Lock No
PIIB6472E
Revision: May 2010 2011 Versa

BACK DOOR LOCKBL-187
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
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-19, "
Removal and Installation of BCM".
Check Back Door Opener Switch Circuit (Without Inte lligent Key, with Power Windows)
INFOID:0000000005929389
1.CHECK BACK DOOR OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock assembly RH is in 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 assembly RH is in 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: May 2010 2011 Versa

BL-188
< SERVICE INFORMATION >
BACK DOOR LOCK
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 assembly RH (door unlock sensor) connector.
2. Check continuity between back door opener switch connector (A) D408 terminal 2 and front door lock assembly RH (door
unlock sensor) connector (B) D114 terminal 3.
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 assembly RH (door unlock sensor).
5.CHECK FRONT DOOR LOCK ASSEMBLY RH (DOOR UNLOCK SENSOR) GROUND CIRCUIT
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 as-
sembly RH (door
unlock sensor) connector Te r m i n a l
D408 2D114 3Yes
Back door opener switch connector Te r m i n a l
GroundContinuity
D408 2 No
AWKIA1675ZZ
Revision: May 2010 2011 Versa

BACK DOOR LOCKBL-189
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Check continuity between front door lock assembly RH (door unlock
sensor) connector terminal 4 and ground.
OK or NG
OK >> GO TO 6
NG >> Repair or replace harness.
6.CHECK UNLOCK SENSOR FUNCTION
1. Connect front door lock assembly RH (door unlock sensor) con- nector.
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 assembly RH (door unlock sensor). Refer to BL-167
.
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:0000000005929390
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 assembly
RH (door unlock sensor) connec- tor Te r m i n a l
GroundContinuity
D114 4 Yes
AWKIA1676ZZ
Back door
opener switch connector Te r m i n a lFront door lock
assembly RH po- sition 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: May 2010
2011 Versa

BL-190
< SERVICE INFORMATION >
BACK DOOR LOCK
Check voltage between Intelligent Key unit connector M52 terminal
24 and ground.
OK or NG
OK >> Back door opener switch circuits are OK.
NG >> GO TO 2
2.CHECK BACK DOOR OPENER SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and back door opener switch connector.
3. Check continuity between Intelligent Key unit connector (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 OPENER 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 lBack 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: May 2010 2011 Versa