NISSAN LATIO 2007 Service Repair Manual

BL-132
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
Door Request Switch CheckEIS0092G
1. CHECK DOOR REQUEST SWITCH
With CONSULT-II
Check door request switch (“DR REQ SW” or “AS REQ SW”) in “DATA MONITOR” mode.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK >> Door request switch circuit is OK.
NG >> GO TO 2.
Monitor item Condition
DR REQ SW
AS REQ SWDoor request switch is pressed: ON
Door request switch is released: OFF
PIIB4260E
Te r m i n a l s
Door
request
switch
ConditionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTe r m i n a l
M52Front door
request switch
LH5
GroundPressed 0
Released 5
Front door
request switch
RH25Pressed 0
Released 5
PIIB6613E

INTELLIGENT KEY SYSTEM
BL-133
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Revision: June 20062007 Versa
2. CHECK DOOR REQUEST SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door request switch connector.
3. Check continuity between Intelligent Key unit connector and front door request switch connector.
4. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key unit and front door request switch.
3. CHECK DOOR REQUEST SWITCH OPERATION
Check front door request switch.
OK or NG
OK >> GO TO 4.
NG >> Replace front door request switch.
4. CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between front door request switch connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace front door request switch ground cir-
cuit.
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lFront door request
switch connectorTerminal
M525LH D5
1Yes
25 RH D103
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M525
No
25
PIIB6614E
Te r m i n a l
Door request
switch conditionContinuity
Front outside handle
12Pressed Yes
Released No
PIIB6615E
Front outside
handle
connectorTe r m i n a l
GroundContinuity
Driver side D5
2Yes
Passenger
sideD103
PIIB6616E

BL-134
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
5. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace Intelligent Key unit. Refer to BL-160, "
Removal
and Installation of Intelligent Key Unit" .
Back Door Request Switch CheckEIS0092H
1. CHECK BACK DOOR REQUEST SWITCH
With CONSULT-II
Check back door request switch (“BD/TR REQ SW”) in “DATA MONITOR” mode.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Back door request switch circuit is OK.
NG >> GO TO 2.
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTerminal
M525
Ground 5
25
PIIB6613E
Monitor item Condition
BD/TR REQ SWBack door request switch is pressed: ON
Back door request switch is released: OFF
PIIB4266E
Te r m i n a l s
Back door
request switch
conditionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key
unit connectorTe r m i n a l
M52 29 GroundPressed 0
Released 5
PIIB6617E

INTELLIGENT KEY SYSTEM
BL-135
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Revision: June 20062007 Versa
2. CHECK BACK DOOR REQUEST SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and back door request switch connector.
3. Check continuity between Intelligent Key unit connector (A) M52 terminal 29 and back door request switch
connector (B) D406 terminal 1.
4. Check continuity between Intelligent Key unit connector (A) M52
terminal 29 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key unit and back door request switch.
3. CHECK BACK DOOR REQUEST SWITCH OPERATION
Check continuity of back door request switch.
OK or NG
OK >> GO TO 4.
NG >> Replace back door request switch.
4. CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door request switch connector D406 terminal 2 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace back door request switch ground cir-
cuit.
AB
Continuity
Intelligent Key
unit connectorTe r m i n a l back door request
switch connectorTe r m i n a l
M52 29 D406 1 Yes
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M52 29 No
PIIB6618E
Terminal
Back door request
switch conditionContinuity
Back door request switch
12Pressed Yes
Released No
PIIB6336E
Back door request switch
connectorTe r m i n a l
GroundContinuity
D406 2 Yes
PIIB6337E

BL-136
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
5. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit connector M52 terminal 29 and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace Intelligent Key unit. Refer to BL-160, "
Removal
and Installation of Intelligent Key Unit" .
Unlock Sensor CheckEIS0092I
1. CHECK UNLOCK SENSOR INPUT SIGNAL
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Unlock sensor circuit is OK.
NG >> GO TO 2.
2. CHECK UNLOCK SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door lock actuator LH (door unlock sensor) connector.
3. Check continuity between Intelligent Key unit connector (A) terminal 28 and front door lock actuator LH
(door unlock sensor) connector (B) terminal 4.
4. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key unit and front door lock actuator LH (door
unlock sensor).
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTerminal
M52 29 Ground 5
PIIB6617E
Te r m i n a l s
Front door
lock
(driver side)
conditionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key
unit connectorTerminal
M52 28 GroundLocked 5
Unlocked 0
PIIB6638E
AB
Continuity
Intelligent Key
unit connectorTe r m i n a l Front door lock
actuator LH (door
unlock sensor)
connectorTe r m i n a l
M52 28 D3 4 Yes
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M52 28 No
PIIB6639E

INTELLIGENT KEY SYSTEM
BL-137
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Revision: June 20062007 Versa
3. CHECK UNLOCK SENSOR OPERATION
Check unlock sensor.
OK or NG
OK >> GO TO 4.
NG >> Replace unlock sensor.
4. CHECK UNLOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock actuator LH (door unlock sensor) connector 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 harness connector.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Replace front door lock actuator LH (door unlock sen-
sor). Refer to BL-169, "
Removal and Installation" .
NG >> Replace Intelligent Key unit. Refer to BL-160, "
Removal
and Installation of Intelligent Key Unit" .
Terminal
Driver side door
conditionContinuity
Unlock sensor
45Lock No
Unlock Yes
PIIB6643E
Front door lock actua-
tor LH (door unlock
sensor) connectorTe r m i n a l
GroundContinuity
D3 5 Yes
PIIB6644E
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTe r m i n a l
M52 28 Ground 5
PIIB6638E

BL-138
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
Intelligent Key Warning Buzzer (Driver Door) CheckEIS0092K
1. CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1. Disconnect Intelligent Key warning buzzer connector.
2. Check voltage between Intelligent Key warning buzzer connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key warning buzzer power
supply circuit.
2. CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector and Intelligent Key warning buzzer connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key unit and Intelligent Key warning buzzer.
3. CHECK INTELLIGENT KEY WARNING BUZZER OPERATION
Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 2, and check the operation.
OK or NG
OK >> Intelligent Key warning buzzer is OK.
NG >> Replace Intelligent Key warning buzzer.
Terminals
Voltage (V)
(Approx.) (+)
(–)
Intelligent Key warning buzzer
connectorTe r m i n a l
LH D6 1 Ground Battery voltage
PIIB6622E
AB
Continuity Intelligent
Key unit
connectorTerminalIntelligent Key warning
buzzer connectorTe r m i n a l
M52 4 Driver side D6 2 Yes
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M52 4 No
PIIB6623E
1 (BAT+) - 2 (BAT-) : the buzzer sounds
PIIB6624E

INTELLIGENT KEY SYSTEM
BL-139
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Revision: June 20062007 Versa
Outside Key Antenna (Driver Side and Passenger Side) CheckEIS0092L
1. CHECK OUTSIDE KEY ANTENNA FUNCTION
With CONSULT-II
1. Check the operation with (“ANTENNA”) in the ACTIVE TEST.
2. Touch “DRIVER ANT” and “ASSIST ANT” on screen.
3. Carry the Intelligent Key into the antenna detection area.
Do the hazard lamps flash?
Yes >> Outside key antenna (driver side or passenger side) is OK.
No >> GO TO 2.
2. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Outside key antenna is OK.
NG >> GO TO 3.
Test item Corresponding antenna
DRIVER ANT Outside key antenna driver side
ASSIST ANT Outside key antenna passenger side
PIIB6625E
Te r m i n a l s
ConditionSignal
(Reference value.) (+)
(–)
Intelligent Key
unit connectorTe r m i -
nal
M52Driver
side19
GroundDoor
request
switch is
pushed Passen-
ger side37
PIIB6626E
SIIA1910J

BL-140
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
3. CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and outside key antenna connector.
2. Check continuity between Intelligent Key unit connector and outside key antenna connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between Intelligent Key unit and outside key antenna.
4. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace outside key antenna (New antenna or other antenna).
2. Connect Intelligent Key unit and outside key antenna connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Replace malfunctioning outside key antenna.
NG >> Replace Intelligent Key unit. Refer to BL-160, "
Removal and Installation of Intelligent Key Unit" .
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lOutside key
antenna connectorTe r m i n a l
M5219
D101
Ye s 20 2
37
D1061
38 2
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M5219
No 20
37
38
PIIB6627E
Terminals
ConditionSignal
(Reference value.) (+)
(–)
Intelligent Key
unit connectorTe r m i -
nal
M52Driver
side19
GroundDoor
request
switch is
pushed Passen-
ger side37
PIIB6626E
SIIA1910J

INTELLIGENT KEY SYSTEM
BL-141
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Revision: June 20062007 Versa
Outside Key Antenna (Rear Bumper) CheckEIS0092M
1. CHECK REAR BUMPER ANTENNA FUNCTION
With CONSULT-II
1. Check the operation with (“ANTENNA”) in the ACTIVE TEST.
2. Touch “BD/TR ANT” on screen.
3. Carry the Intelligent Key into the antenna detection area.
Do the hazard lamps flash?
Yes >> Rear bumper antenna is OK.
No >> GO TO 2.
2. CHECK REAR BUMPER ANTENNA INPUT SIGNAL 1
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Rear bumper antenna is OK.
NG >> GO TO 3.
Test item Corresponding antenna
BK DOOR ANT Rear bumper antenna
PIIB6625E
Terminals
ConditionSignal
(Reference value.) (+)
(–) Intelligent
Key unit
connectorTe r m i n a l
M52 17 GroundBack door
request
switch is
pushed
PIIB6628E
SIIA1910J