2006 NISSAN VERSA air condition

INTELLIGENT KEY SYSTEM
BL-125
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
3. CHECK KEY SWITCH
Check continuity of key switch and ignition knob switch.
OK or NG
OK >> GO TO 4.
NG >> Replace key cylinder assembly (built-in key switch).
4. CHECK KEY SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit and key switch and ignition knob switch.
3. Check continuity between Intelligent Key unit and ground.
OK or NG
OK >> Check the condition of harness and harness connector.
NG >> Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
Te r m i n a l
Condition of key switch Continuity
Key switch and ignition knob switch
12Insert mechanical key into
ignition switchYe s
Remove mechanical key
from ignition switchNo
PIIB6599E
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lKey switch and
ignition knob
switch connectorTe r m i n a l
M52 7 M73 1 Yes
A
GroundContinuity
Intelligent Key unit connector Terminal
M52 7 No
PIIB6600E

BL-126
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
Key Switch (BCM Input) CheckEIS0092C
1. CHECK KEY SWITCH POWER SUPPLY CIRCUIT
1. Remove mechanical key from ignition switch.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch and
ground.
OK or NG
OK >> GO TO 2.
NG >> Check harness between key switch and ignition knob switch and fuse.
2. CHECK KEY SWITCH OPERATION
Check continuity of key switch and ignition knob switch.
OK or NG
OK >> GO TO 3.
NG >> Replace key cylinder assembly (built-in key switch).
3. CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector (A) M18 terminal 37 and key switch and ignition knob switch
connector (B) terminal 1.
3. Check continuity between BCM connector (A) M18 terminal 37
and ground.
OK or NG
OK >> Key switch (BCM input) circuit is OK.
NG >> Repair or replace harness between key switch and ignition knob switch and BCM.
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–) Key switch and
ignition knob
switch connectorTerminal
M73 2 Ground Battery voltage
PIIB6598E
Te r m i n a l
Condition of key switch Continuity
Key switch and ignition knob switch
12Insert mechanical key into
ignition switchYe s
Remove mechanical key
from ignition switchNo
PIIB6599E
AB
Continuity
BCM connector TerminalKey switch and
ignition knob
switch connectorTe r m i n a l
M18 37 M73 1 Yes
A
GroundContinuity
BCM connector Terminal
M18 37 No
PIIB6601E

INTELLIGENT KEY SYSTEM
BL-127
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
Ignition Knob Switch CheckEIS0092D
1. CHECK IGNITION KNOB SWITCH INPUT SIGNAL
With CONSULT-II
Display “PUSH SW” on DATA MONITOR screen, and check if ON/
OFF display is linked to ignition switch operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit and ground.
OK or NG
OK >> Ignition knob switch circuit is OK.
NG >> GO TO 2.
2. CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch and ignition knob switch
power supply circuit.
Monitor item Condition
PUSH SWIgnition switch is pressed: ON
Ignition switch is released: OFF
PIIB1360E
Te r m i n a l s
Condition of key
switchVoltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTe r m i n a l
M52 27 GroundIgnition switch is
pressedBattery voltage
Ignition switch is
released0
PIIB6602E
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–) Key switch and
ignition knob
switch connectorTe r m i n a l
M73 4 Ground Battery voltage
PIIB6603E

BL-128
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
3. CHECK IGNITION KNOB SWITCH
Check continuity of ignition knob switch.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch and ignition knob switch.
4. CHECK IGNITION KNOB SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector (A) terminal 27 and key switch and ignition knob
switch connector (B) terminal 3.
3. Check continuity between Intelligent Key unit connector (A) ter-
minal 27 and ground.
OK or NG
OK >> Check the condition of harness and harness connector.
NG >> Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
Te r m i n a l
Condition of key
switchContinuity
Key switch and ignition knob switch
34Ignition switch is
pressedYe s
Ignition switch is
releasedNo
PIIB6604E
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lKey switch and
ignition knob
switch connectorTe r m i n a l
M52 27 M73 3 Yes
A
GroundContinuity
Intelligent Key unit connector Terminal
M52 27 No
PIIB6605E

INTELLIGENT KEY SYSTEM
BL-133
C
D
E
F
G
H
J
K
L
MA
B
BL
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

INTELLIGENT KEY SYSTEM
BL-135
C
D
E
F
G
H
J
K
L
MA
B
BL
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
C
D
E
F
G
H
J
K
L
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