NISSAN LATIO 2007 Service Repair Manual

BL-32
POWER DOOR LOCK SYSTEM
Revision: June 20062007 Versa
Wiring Diagram — D/LOCK —EIS0 09 C5
WITH INTELLIGENT KEY SYSTEM
WIWA1957E

POWER DOOR LOCK SYSTEM
BL-33
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
WIWA1976E

BL-34
POWER DOOR LOCK SYSTEM
Revision: June 20062007 Versa
WIWA1958E

POWER DOOR LOCK SYSTEM
BL-35
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
WIWA1959E

BL-36
POWER DOOR LOCK SYSTEM
Revision: June 20062007 Versa
WIWA1960E

POWER DOOR LOCK SYSTEM
BL-37
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
Terminals and Reference Value for BCMEIS0090Z
Refer to BCS-12, "Terminals and Reference Values for BCM" .
Work FlowEIS009BY
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-24, "
System Description" .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to BL-114,
"Trouble Diagnosis Symptom Chart" .
4. Does power door lock system operate normally? OK: GO TO 5, NG: GO TO 3.
5. Inspection End.
CONSULT–II Function (BCM)EIS009BZ
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT–II START PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
WORK SUPPORT
DATA MONITOR
BCM
diagnostic test itemDiagnostic mode Description
Inspection by partWORK SUPPORTSupports inspections and adjustments. Commands are transmitted to the
BCM for setting the status suitable for required operation, input/output sig-
nals are received from the BCM and received date is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TESTOperation of electrical loads can be checked by sending drive signal to
them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTRThe result of transmit/receive diagnosis of CAN communication can be
read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.
Work item Description
DOOR LOCK-UNLOCK SET Select unlock mode can be changed in this mode. Selects ON-OFF of select unlock mode.
ANTI-LOCK OUT SETKey reminder door mode can be changed in this mode. Selects ON-OFF of key reminder door
mode.
Monitor item Content
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock and unlock switch.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch LH.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW Indicates [ON/OFF] condition of back door switch.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from key cylinder.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from key cylinder.
KEYLESS LOCK* Indicates [ON/OFF] condition of lock signal from keyfob.
KEYLESS UNLOCK* Indicates [ON/OFF] condition of unlock signal from keyfob.

BL-38
POWER DOOR LOCK SYSTEM
Revision: June 20062007 Versa
*: With Remote Keyless Entry system
**: With Intelligent Key system
ACTIVE TEST
I-KEY LOCK** Indicates [ON/OFF] condition of lock signal from door request switch.
I-KEY UNLOCK** Indicates [ON/OFF] condition of unlock signal from door request switch.Monitor item Content
Test item Content
ALL LOCKThis test is able to check all door lock actuators lock operation. These actuators lock when
"ON" on CONSULT–II screen is touched.
ALL UNLOCKThis test is able to check all door lock actuators unlock operation. These actuators unlock
when "ON" on CONSULT–II screen is touched.
DR UNLOCKThis test is able to check front door lock actuator LH unlock operation.These actuators lock
when "ON" on CONSULT–II screen is touched.
OTHER UNLOCKThis test is able to check door lock actuators (except front door lock actuator LH) unlock oper-
ation. These actuators unlock when "ON" on CONSULT–II screen is touched.

POWER DOOR LOCK SYSTEM
BL-39
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
Trouble Diagnoses Symptom ChartEIS009C6
Symptom Repair order Refer to page
Key reminder door function does not operate properly.1. BCM power supply and ground circuit checkBCS-16
2. Door switch checkBL-40
3. Key switch (insert) checkBL-43
4. Replace BCM.BCS-25
Power door lock does not operate with door lock and
unlock switch on main power window and door lock/
unlock switch or power window and door lock/unlock
switch RH1. Door lock/unlock switch checkBL-45
2. Replace BCM.BCS-25
One or both rear door lock actuators do not operate. 1. Passenger select unlock relay circuit checkBL-51
Front door lock assembly LH (actuator) does not operate. 1. Front door lock assembly LH (actuator) checkBL-48
Specific door lock actuator does not operate. 1. Door lock actuator check (Front RH, Rear LH/RH)BL-49
Power door lock does not operate with front door key cyl-
inder switch operation.1. Front door key cylinder switch checkBL-50
2. Replace BCM.BCS-25
All power door locks do not operate.1. BCM power supply and ground circuit checkBCS-162. Door lock/unlock switch checkBL-45
3. Replace BCM.BCS-25

BL-40
POWER DOOR LOCK SYSTEM
Revision: June 20062007 Versa
BCM Power Supply and Ground CircuitEIS00913
Refer to BCS-16, "BCM Power Supply and Ground Circuit Check" .
Door Switch CheckEIS0 09 C7
1. CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-II
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–II. Refer to BL-37, "
DATA MONITOR" .

When doors are open:

When doors are closed:
Without CONSULT-II
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
BACK DOOR SW : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF
DOOR SW-RL : OFF
DOOR SW-RR : OFF
BACK DOOR SW : OFF
LIIA0665E
Connector ItemTe r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18Front door
switch RH12
GroundOpen
↓
Closed0
↓
Battery voltage Rear door
switch RH13
M19Back door
switch43
Front door
switch LH47
Rear door
switch LH48
LIIA1041E

POWER DOOR LOCK SYSTEM
BL-41
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector (B) B8 (front LH), B108 (front RH) terminal 2 or (C) B6
(rear LH), B116 (rear RH) terminal 1 or back door lock assembly connector (D) D405 terminal 3 and BCM
connectors (A) M18, M19 terminals 12, 13, 43, 47 and 48.
4. Check continuity between door switch connector (B) B8 (front
LH), B108 (front RH) terminal 2 or (C) B6 (rear LH), B116 (rear
RH) terminal 1 or back door lock assembly connector (D) D405
terminal 3 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR SWITCHES
FRONT AND REAR DOORS
Check continuity between front door switch terminal 2 or rear door
switch terminal 1 and exposed metal of switch while pressing and
releasing switch.
BACK DOOR
Check continuity between back door lock assembly connector (back
door switch) terminals 3 and 4 while pressing (closing back door)
and releasing (opening back door) switch.
OK or NG
OK1 >> (Front and rear doors) Switch circuit is OK.
OK2 >> (Back door) GO TO 4.
NG >> Replace door switch.1 - 13 : Continuity should exist.
1 - 48 : Continuity should exist.
2 - 12 : Continuity should exist.
2 - 47 : Continuity should exist.
3 - 43 : Continuity should exist.
1 - Ground : Continuity should not exist.
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist.
WIIA1244E
Door switch is released : Continuity should exist.
Door switch is pushed : Continuity should not exist.
PIIB6899E
When back door is open : Continuity should exist.
When back door is closed : Continuity should not exist.
WIIA1245E