Page 625 of 2896

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
Page 626 of 2896

INTELLIGENT KEY SYSTEM
BL-137
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MA
B
BL
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
Page 627 of 2896

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
Page 628 of 2896

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
Page 629 of 2896

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
Page 630 of 2896
INTELLIGENT KEY SYSTEM
BL-141
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MA
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BL
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
Page 631 of 2896

BL-142
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
3. CHECK REAR BUMPER ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and rear bumper antenna connector.
2. Check continuity between Intelligent Key unit connector and rear bumper 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 rear bumper antenna.
4. CHECK REAR BUMPER ANTENNA INPUT SIGNAL 2
1. Replace rear bumper antenna (new antenna or other antenna).
2. Connect Intelligent Key unit and rear bumper antenna connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Replace rear bumper 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 lRear bumper
antenna connectorTe r m i n a l
M5217
B21
Ye s
18 2
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M5217
No
18
PIIB6629E
Te r m i n a l s
ConditionSignal
(Reference value.) (+)
(–) Intelligent
Key unit
connectorTe r m i n a l
M52 17 GroundBack door
request
switch is
pushed
PIIB6628E
SIIA1910J
Page 632 of 2896

INTELLIGENT KEY SYSTEM
BL-143
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BL
Revision: June 20062007 Versa
Inside Key Antenna CheckEIS0092N
1. CHECK INSIDE 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 >> Check the condition of harness and connector.
NG >> GO TO 2.
2. CHECK INSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and inside key antenna connector.
2. Check continuity between Intelligent Key unit connector and inside key antenna 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 inside key antenna.
Terminals
ConditionSignal
(Reference value.) (+)
(–)
Intelligent Key
unit connectorTe r -
minal
M52Instrument
panel area13
GroundAny door
is open →
close Front con-
sole area15
Rear floor
area33
WIIA1200E
PIIB5502J
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lInside key antenna
connectorTe r m i n a l
M5213
M10Instrument
panel2
Ye s 14 1
15
B3Front con-
sole1
16 2
33
B12 Rear floor1
34 2
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M52Instrument panel13
No 14
Front console15
16
Rear floor33
34
WIIA1254E