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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
Page 618 of 2896
INTELLIGENT KEY SYSTEM
BL-129
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Revision: June 20062007 Versa
Door Switch CheckEIS0092E
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 ItemTerminals
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
Page 619 of 2896

BL-130
INTELLIGENT KEY SYSTEM
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
Page 620 of 2896
INTELLIGENT KEY SYSTEM
BL-131
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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 >> GO TO 5.
NG >> Repair or replace harness.
5. CHECK BACK DOOR SWITCH SIGNAL FOR SHORT
1. Disconnect Intelligent Key unit.
2. Check continuity between BCM connector M18 terminal 30 and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> Repair or replace harness.4 - Ground : Continuity should exist.
WIIA1246E
30 - Ground : Continuity should not exist.
WIIA1299E
Page 621 of 2896
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
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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
Page 623 of 2896

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
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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