Page 609 of 2896

BL-120
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
WARNING CHIME/BUZZER FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
Warning chime/buzzer functions operating condition is extremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation.
Symptom Diagnosis/service procedure Reference page
Ignition switch warning chime does not oper-
ate.1. Check ignition knob switch.BL-127
2. Check door switch.BL-129
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
Ignition key warning chime does not operate.
(When mechanical key used).1. Check key switch (Intelligent Key unit input).BL-124
2. Check key switch (BCM input).BL-126
3. Check door switch.BL-129
4. Check Intelligent Key warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
OFF position warning chime (For internal)
does not operate.1. Check ignition switch position.BL-148
2. Check ignition knob switch.BL-127
3. Check key switch.BL-124
4. Check combination meter warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
OFF position warning
chime/buzzer (for
external) does not
operate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check ignition switch position.BL-148
2. Check ignition knob switch.BL-127
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-156
5. Check Intelligent Key warning buzzer.BL-138
6. Replace Intelligent Key unit.BL-160
Intelligent Key
warning buzzer
does not operate.Check Intelligent Key warning buzzer.BL-138
Take away warning
chime/buzzer (door
open to close) does
not operate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check door switch.BL-129
2. Check inside key antenna.BL-143
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-138
5. Check Intelligent Key warning buzzer.BL-138
6. Replace Intelligent Key unit.BL-160
Intelligent Key
warning buzzer
does not operate.Check Intelligent Key warning buzzer.BL-138
Page 610 of 2896
INTELLIGENT KEY SYSTEM
BL-121
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
Take away warning chime (through window)
does not operate.1.Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”.BL-113
2. Check inside key antenna.BL-143
3. Check key switch.BL-124
4. Check Intelligent Key battery.BL-159
5. Check Intelligent Key warning chime.BL-156
6. Replace Intelligent Key unit.BL-160
Door lock operation warning buzzer does not
operate.1. Check door switch.BL-129
3. Check ignition knob switch.BL-127
4. Check door request switch.BL-132
5. Check back door request switch.BL-134
6. Check outside key antenna (driver side and passenger side).BL-139
7. Check outside key antenna (rear bumper).BL-141
8. Check inside key antenna.BL-143
9. Check Intelligent Key warning buzzer.BL-138
10 Replace Intelligent Key unit.BL-160
Symptom Diagnosis/service procedure Reference page
Page 611 of 2896

BL-122
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
WARNING LAMP FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
CAN Communication System CheckEIS00929
1. CHECK SELF-DIAGNOSTIC RESULTS
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which performs CAN communication.
With CONSULT-II
Connect CONSULT-II, and turn ignition switch ON.
Touch “INTELLIGENT KEY” on “SELECT SYSTEM” screen.
Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
Check display content in self-diagnostic results.
OK or NG
NO DTC IS DETECTED>> INSPECTION END
CAN COMM [U1000]>> After printing “SELF-DIAGNOSIS RESULTS”, go to “CAN SYSTEM”. Refer to LAN-
42, "Precautions When Using CONSULT-II" .
CAN COMM2 [U1010]>> Replace Intelligent Key unit.
Symptom Diagnosis/service procedure Reference page
When Intelligent Key low battery warning operate, “KEY”
warning lamp (green) does not illuminate.1.Check “LOW BAT OF KEY FOB WARN” set-
ting in “WORK SUPPORT”.BL-113
2. Check Intelligent Key battery.BL-159
3. Check KEY warning lamp (green).BL-156
4. Replace Intelligent Key unit.BL-160
P position warning lamp does not illuminate properly.
(With CVT)1. Check CVT device (park position switch).BL-1512. Check “P-SHIFT” warning lamp (red).BL-153
3. Replace Intelligent Key unit.BL-160
LOCK warning lamp does not illuminate properly.
(With M/T)1. Check key interlock solenoid.BL-1472. Check "LOCK" warning lamp.BL-154
3. Replace Intelligent Key unit.BL-160
Take away warning lamp does not illuminate properly.
(Take away warning chime is operated).1. Check KEY warning lamp (red).BL-160
2. Replace Intelligent Key unit.BL-160
Ignition switch warning lamp does not illuminate properly.
(Ignition switch warning chime is operated).1. Check KEY warning lamp (red).BL-155
2. Replace Intelligent Key unit.BL-160
CONSULT-II display item DTC code
NO DTC IS DETECTED —
CAN COMM U1000
CAN COMM2 U1010
Page 612 of 2896
INTELLIGENT KEY SYSTEM
BL-123
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: June 20062007 Versa
Power Supply and Ground Circuit CheckEIS0092A
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key power supply circuit.
2. CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit harness connector and ground.
OK or NG
OK >> Power supply and ground circuits are OK.
NG >> Repair or replace the Intelligent Key unit ground circuit.
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTe r m i n a l
M52 11 Ground Battery voltage
PIIB6595E
Intelligent Key unit connector Terminal
GroundContinuity
M52 12 Yes
PIIB6596E
Page 613 of 2896

BL-124
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
Key Switch (Intelligent Key Unit Input) CheckEIS0092B
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check key switch (“KEY SW”) in “DATA MONITOR” mode with CON-
SULT-II.
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 >> Key switch circuit is OK.
NG >> GO TO 2.
2. 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 3.
NG >> Repair or replace key switch and ignition knob switch
power supply circuit.
Monitor item Condition
KEY SWInsert mechanical key into ignition switch: ON
Remove mechanical key from ignition switch: OFF
PIIB1359E
Te r m i n a l s
Condition of key switchVoltage (V)
(Approx.) (+)
(–)
Intelligent Key
unit connectorTerminal
M52 7 GroundInsert mechanical key
into ignition switchBattery voltage
Remove mechanical
key from ignition switch0
PIIB6597E
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–) Key switch and
ignition knob
switch connectorTerminal
M73 2 Ground Battery voltage
PIIB6598E
Page 614 of 2896

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
Page 615 of 2896

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
Page 616 of 2896

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