NISSAN LATIO 2007 Service Repair Manual

BL-62
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
PANIC ALARM SET
HAZARD LAMP BACK SET
AUTO LOCK SET
TRUNK OPEN
Data Monitor
Active Test
AUTO LOCK SETAuto locking function mode can be changed in this mode. The function mode will be
changed when “CURRENT SETTING” on CONSULT-II screen is touched.
TRUNK OPENKeyless trunk open operation mode can be changed in this mode. The operation mode will
be changed when “CURRENT SETTING” on CONSULT-II screen is touched. Test Item Description
MODE 1 MODE 2 MODE 3
Keyfob operation 0.5 seconds Nothing 1.5 seconds
MODE 1 MODE 2 MODE 3 MODE 4
Hazard lamp operation mode Nothing Unlock only Lock only Lock and Unlock
MODE 1 MODE 2 MODE 3
Auto locking function 30 seconds Nothing 1 minutes
MODE 1 MODE 2 MODE 3
Keyfob operation 0.5 seconds Nothing 1.5 seconds
Monitored Item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
KEYLESS LOCK Indicates [ON/OFF] condition of lock signal from keyfob.
KEYLWSS UNLOCK Indicates [ON/OFF] condition of unlock signal from keyfob.
KYLS TRNK/HAT This is displayed even when it is not equipped.
KEYLESS PSD This is displayed even when it is not equipped.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch driver side.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch passenger side.
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 This is displayed even when it is not equipped.
TRNK/HAT MNTR Indicates [ON/OFF] condition of trunk room lamp 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.
KEYLESS PANIC Indicates [ON/OFF] condition of panic alarm signal from keyfob.
Test Item Description
INT LAMPThis test is able to check interior room lamp operation.
The interior room lamp turns on when “ON” on CONSULT-II screen is touched.
FLASHERThis test is able to check right hazard reminder operation.
The right hazard lamp turns on when “ON” on CONSULT-II screen is touched.
DOOR LOCKThis test is able to check door lock actuator operation.

The all door lock actuator are locked when “ALL LOCK” on CONSULT-II screen is touched.

The all door lock actuator are unlocked when “ALL UNLOCK” on CONSULT-II screen is touched.

REMOTE KEYLESS ENTRY SYSTEM
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TRUNK/BACK DOOR This is displayed even when it is not equipped.
POWER SLIDE DOOR This is displayed even when it is not equipped.Test Item Description

BL-64
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
Work FlowEIS0091G
1. Check the symptom and customer's requests.
2. Understand outline of system. Refer to BL-55, "
System Description" .
3. Confirm that power door lock system operates normally.
Refer to BL-23, "
POWER DOOR LOCK SYSTEM" .
4. Repair or replace any malfunctioning parts.
Refer to BL-64, "
Trouble Diagnosis Symptom Chart" .
5. Does remote keyless entry system operate normally? If Yes, GO TO 6. If No, GO TO 4.
6. INSPECTION END
Trouble Diagnosis Symptom ChartEIS0091H
NOTE:

Always check the “Work Flow” before troubleshooting. Refer to BL-64, "Work Flow" .

Always check keyfob battery before replacing keyfob.
Symptom Diagnoses/service procedureReference
page
All function of remote keyless entry system do not
operate.1. Check key switch.BL-70
2. Check keyfob battery and function.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-66
3. Check remote keyless entry receiver.BL-73
4. Refer to ID Code Entry Procedure.BL-76
5. Replace BCM.BCS-25
The new ID of keyfob cannot be entered.1. Check keyfob battery and function.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-662. Check key switch.BL-70
3. Check door switch.BL-68
4. Check ACC switch.BL-67
5. Replace keyfob. Refer to ID Code Entry Procedure.BL-76
6. Replace BCM.BCS-25
Door lock does not function with keyfob.
(Power door lock system is “OK”.)1. Check keyfob function. (Lock)
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-75
2. Replace keyfob. Refer to ID Code Entry Procedure.BL-76
3. Check door switch.BL-68
4. Replace BCM.BCS-25
Door unlock does not function with keyfob
(Power door lock system is “ON”)1. Check keyfob function. (Unlock)BL-75
2. Replace keyfob. Refer to ID Code Entry Procedure.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-76
3. Replace BCM.BCS-25
Hazard reminder does not activate properly when
pressing lock or unlock button of keyfob.1. Check hazard reminder mode.*
*: Hazard reminder mode can be changed.
First check the hazard reminder setting.BL-61
2. Check hazard function.BL-71
3. Replace BCM.BCS-25

REMOTE KEYLESS ENTRY SYSTEM
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Panic alarm does not activate when panic alarm
button is continuously pressed.1. Check panic alarm mode.*
*: Panic alarm mode can be changed.
First check the panic alarm setting.BL-61
2. Check keyfob battery and function.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-66
3. Check horn function.BL-71
4. Check key switch.BL-70
5. Replace keyfob. Refer to ID Code Entry Procedure.BL-76
6. Replace BCM.BCS-25
Auto door lock operation does not activate properly.
(All other remote keyless entry system functions are
OK.)1. Check auto door lock operation mode.*
*: Auto door lock operation mode can be changed.
First check the auto door lock operation setting.BL-61
2. Replace BCM.BCS-25
Interior lamp operation does not activate properly.1. Check interior lamp operation.BL-722. Replace BCM.BCS-25
Symptom Diagnoses/service procedureReference
page

BL-66
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
Keyfob Battery and Function CheckEIS0091I
1. CHECK KEYFOB BATTERY
1. Remove keyfob battery. Refer to BL-78, "
Keyfob Battery Replacement" .
2. Measure voltage between battery positive and negative termi-
nals, (+) and (−).
NOTE:
Keyfob does not function if battery is not set correctly.
OK or NG
OK >> GO TO 2.
NG >> Replace battery.
2. CHECK KEYFOB FUNCTION
With CONSULT-II
Check keyfob function in “DATA MONITOR” mode with CONSULT-II. When pushing each button of keyfob, the
corresponding monitor item should be turned as follows.
Without CONSULT-II
Check keyfob function using Remote Keyless Entry Tester J-43241.
OK or NG
OK >> Keyfob is OK.
NG >> Replace keyfob.Voltage : 2.5 – 3.0V
SEL237W
Condition Monitor item
Pushing LOCK KEYLESS LOCK : ON
Pushing UNLOCK KEYLESS UNLOCK : ON
Pushing PANIC KEYLESS PANIC : ON
PIIB0595E
LEL946A

REMOTE KEYLESS ENTRY SYSTEM
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ACC Switch CheckEIS0091J
1. CHECK ACC SWITCH
With CONSULT-II
Check ACC switch (“ACC ON SW”) in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> ACC switch is OK.
NG >> Check the following.

10A fuse [No. 20, located in fuse block (J/B)]

Harness for open or short between BCM and fuse.
Monitor item Condition
ACC ON SWIgnition switch position is ACC or ON : ON
Ignition switch position is OFF : OFF
PIIA3367E
Te r m i n a l s
Ignition switch
conditionVoltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M18 11 GroundACC or ON Battery voltage
OFF 0
PIIB6453E

BL-68
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
Door Switch CheckEIS009CF
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

REMOTE KEYLESS ENTRY SYSTEM
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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
OK >> (Front and rear doors) Switch circuit is OK.
OK >> (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

BL-70
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
4. CHECK BACK DOOR SWITCH GROUND
Check continuity between back door lock assembly connector D405
terminal 4 and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> Repair or replace harness.
Key Switch (Insert) CheckEIS0091L
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT–II. Refer to BL-37, "
DATA MONI-
TOR" .

When key is inserted into ignition key cylinder:

When key is removed from ignition key cylinder:
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2.4 - Ground : Continuity should exist.
WIIA1246E
KEY ON SW : ON
KEY ON SW : OFF
LIIA0169E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18 37 GroundKey is inserted. Battery voltage
Key is removed. 0
LIIA0567E

REMOTE KEYLESS ENTRY SYSTEM
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2. CHECK KEY SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid connector.
3. Check key switch.
OK or NG
OK >> Check the following.

10A fuse [No. 14, located in fuse block (J/B)]

Harness for open or short between key switch and
fuse

Harness for open or short between BCM and key
switch
NG >> Replace key switch and key lock solenoid.
Hazard Function CheckEIS0091M
1. CHECK HAZARD WARNING LAMP
Does hazard warning lamp flash with hazard switch?
OK or NG
OK >> Hazard warning lamp circuit is OK.
NG >> Check hazard circuit. Refer to LT- 5 1 , "
TURN SIGNAL AND HAZARD WARNING LAMPS" .
Horn Function CheckEIS0091N
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-18, "
CAN Communication
Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK HORN FUNCTION
Does horn sound with horn switch?
OK or NG
OK >> GO TO 2.
NG >> Check horn circuit. Refer to WW-46, "
HORN" .
2. CHECK IPDM E/R INPUT SIGNAL
Check voltage between IPDM E/R connector and ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-29, "Removal and
Installation of IPDM E/R"
NG >> GO TO 3.
Terminals Condition Continuity
1 – 2Key is inserted. Yes
Key is removed. No
PIIB6411E
Terminals
Voltage (V)
(Approx.) (+)
(–)
IPDM E/R connector Terminal
E46 45 Ground Battery voltage
WIIA1251E