Nissan Murano Z50 (2006 year). Manual — part 35
INTELLIGENT KEY SYSTEM
BL-155
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Revision: 2006 August
2006 Murano
2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1.
Disconnect Intelligent Key unit connector and outside key antenna (door mirror) connector.
2.
Check continuity between each outside key antenna harness connector and Intelligent Key unit connec-
tor.
3.
Check continuity between each outside key antenna connector
and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace harness between outside key antenna and
Intelligent Key unit.
Item
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
Continuity
Door mirror
(passenger
side)
D32
1 (LG)
M99
37 (LG)
Yes
12 (B/Y)
38 (B/Y)
Rear door
RH
D77
1 (LG)
37 (LG)
2 (B/Y)
38 (B/Y)
Item
Connector
Terminal
Continuity
Door mirror
(passenger side)
D32
1 (LG)
Ground
No
12 (B/Y)
Rear door RH
D77
1 (LG)
2 (B/Y)
PIIB4618E
BL-156
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
3.
CHECK OUTSIDE KEY ANTENNA POWER SUPPLY
1.
Replace outside key antenna (door mirror). (New antenna or other antenna)
2.
Connect Intelligent Key unit connector and outside key antenna (door mirror) connector.
3.
Check signal between Intelligent Key unit connector and ground
with oscilloscope.
4.
Disconnect outside key antenna (door mirror) connector.
5.
Replace outside key antenna (rear door RH). (New antenna or other antenna)
6.
Connect outside key antenna (rear door RH) connector.
7.
Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Replace malfunction outside key antenna.
CHECK OUTSIDE KEY ANTENNA (REAR BUMPER)
1.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> GO TO 2.
Con-
nec-
tor
Item
Terminal
(wire color)
Condi-
tion
Signal
(Reference value)
(+)
(-)
M99
Passenger
side
37
(LG)
Ground
Request
switch is
pushed
Con-
nec-
tor
Item
Terminal
(wire color)
Condi-
tion
Signal
(Reference value)
(+)
(-)
M99
Passenger
side
37
(LG)
Ground
Request
switch is
pushed
PIIB4617E
SIIA1910J
SIIA1910J
Con-
nec-
tor
Item
Terminal
(wire color)
Condi-
tion
Signal
(Reference value)
(+)
(-)
M99
Rear
bumper
17
(W/L)
Ground
Request
switch is
pushed
PIIB4619E
SIIA1910J
INTELLIGENT KEY SYSTEM
BL-157
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Revision: 2006 August
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2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1.
Disconnect Intelligent Key unit connector and outside key antenna (rear bumper) connector.
2.
Check continuity between outside key antenna (rear bumper) connector and Intelligent Key unit connec-
tor.
3.
Check continuity between outside key antenna harness connec-
tor and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace harness between outside key antenna and Intelligent Key unit.
3.
CHECK OUTSIDE KEY ANTENNA POWER SUPPLY
1.
Replace outside key antenna (rear bumper). (New antenna or other antenna)
2.
Connect Intelligent Key unit connector and outside key antenna connector.
3.
Check signal between Intelligent Key unit connector and ground
with oscilloscope.
OK or NG
OK
>> Replace outside key antenna (rear bumper).
NG
>> Replace Intelligent Key unit.
Item
Connec-
tor
Terminal
(Wire color)
Connec-
tor
Terminal
(Wire color)
Continuity
Rear
bumper
B38
1 (W)
M99
17 (W)
Yes
2 (B)
18 (B)
Item
Connector
Terminal
Continuity
Rear bumper
B38
1 (W)
Ground
No
2 (B)
PIIB4620E
Con-
nec-
tor
Item
Terminal
(wire color)
Condi-
tion
Signal
(Reference value)
(+)
(-)
M99
Rear
bumper
17
(W)
Ground
Request
switch is
pushed
PIIB4619E
SIIA1910J
BL-158
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
Check Inside Key Antenna
NIS00182
1.
CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL 1
1.
Turn ignition switch OFF.
2.
Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK
>> Inside key antenna is OK.
NG
>> GO TO 2.
2.
CHECK INSIDE KEY ANTENNA
1.
Disconnect Intelligent Key unit connector and inside key antenna connectors.
2.
Check continuity between inside key antenna harness connector M102 (Console), M109 (dashboard),
B122 (luggage room) terminals 1, 2 and Intelligent Key unit harness connector M99 terminals 13, 14, 15,
16, 35 and 36.
3.
Check continuity between inside key antenna harness connec-
tor M102 (Console), M109 (dash board), B122 (luggage room) terminals 1, 2 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between inside key antenna and Intelligent Key unit.
Con-
nec-
tor
Item
Terminal
(Wire color)
Condi-
tion
Signal (V)
(Reference value)
(+)
(–)
M99
Luggage
room
13 (Y)
Ground
Ignition
switch
is
pushed.
Console
15 (L)
Dash-
board
35 (O)
PIIA6753E
SIIA1910J
Item
Connec-
tor
Terminal
(Wire color)
Connec-
tor
Terminal
(Wire color)
Continuity
Luggage room
B122
1 (W)
M99
13 (Y)
Yes
2 (B)
14 (BR)
Console
M102
1 (B/W)
15 (L)
2 (L)
16 (B/W)
Dashboard
M109
1 (O)
35 (O)
2 (B/P)
36 (B/P)
Item
Connector
Terminal
(Wire color)
Continuity
Luggage room
B122
1 (W)
Ground
No
2 (B)
Console
M102
1 (B/W)
2 (L)
Dashboard
M109
1 (O)
2 (B/P)
PIIB4614E
INTELLIGENT KEY SYSTEM
BL-159
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3.
CHECK INSIDE KEY ANTENNA POWER SIGNAL 2
1.
Replace inside key antenna. (New antenna or other antenna)
2.
Connect Intelligent key unit connector.
3.
Check signal between Intelligent Key unit connector and ground
with oscilloscope.
OK or NG
OK
>> Replace inside key antenna.
NG
>> Replace Intelligent key unit.
Check Steering Lock Unit
NIS00183
1.
CHECK STEERING LOCK UNIT POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect steering lock unit connector.
3.
Check voltage between steering lock unit harness connector M101 terminal 1 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace steering lock unit power supply circuit.
Con-
nec-
tor
Item
Terminal
(Wire color)
Condi-
tion
Signal (V)
(Reference value)
(+)
(–)
M99
Luggage
room
13 (Y)
Ground
Ignition
switch
is
pushed.
Console
15 (L)
Dash-
board
35 (O)
PIIA6753E
SIIA1910J
1 (G/Y) - Ground
: Battery voltage
PIIA6797E
BL-160
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
2.
CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT
1.
Disconnect Intelligent Key unit connector.
2.
Check continuity between Intelligent Key unit harness connector M99 terminals 1, 31, 32 and steering
lock unit connector M101 terminals 2, 3, 4.
3.
Check continuity between steering lock unit harness connector
M99 terminals 2, 3, 4 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between steering lock unit and Intelligent Key unit.
3.
CHECK STEERING LOCK UNIT GROUND CIRCUIT
1.
Connect intelligent key unit and steering lock unit connectors.
2.
Check continuity between steering lock unit harness connector M101 terminal 4 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace intelligent key unit.
4.
CHECK STEERING LOCK COMMUNICATION CIRCUIT
Check voltage between steering lock unit connector M101 terminal 2 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace intelligent key unit.
1 (L/Y) - 2 (L/Y)
: Continuity should exist.
31 (G/R) - 4 (G/R)
: Continuity should exist.
32 (L/O) - 3 (L/O)
: Continuity should exist.
2 (L/Y) - Ground
: Continuity should not exist.
3 (L/O) - Ground
: Continuity should not exist.
4 (G/R) - Ground
: Continuity should not exist.
PIIA6799E
4 (G/R) - Ground
: Continuity should exist.
PIIB4621E
2 (L/Y) - Ground
: Approx. 5V
PIIB4622E
INTELLIGENT KEY SYSTEM
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Revision: 2006 August
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5.
CHECK STEERING LOCK UNIT SIGNAL
Immediately after pushing ignition switch, use an oscilloscope to check signal between steering lock unit con-
nector M101 terminal 3 and ground.
OK or NG
OK
>> Replace steering lock unit.
NG
>> Replace Intelligent Key unit.
Check Stop Lamp Switch
NIS00184
1.
CHECK INTELLIGENT KEY UNIT INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit connector.
3.
Check voltage between Intelligent Key unit harness connector
M99 terminal 26 and ground.
OK or NG
OK
>> Stop lamp switch is OK.
NG
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
Check voltage between stop lamp switch harness connector E116
terminal 3 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between stop lamp switch
power supply circuit and fuse.
Con-
nector
Terminal
(Wire color)
Condition
Signal (V)
(Reference value)
(+)
(–)
M101
3 (L/O)
Ground
Ignition
switch is
pushed
PIIB4623E
SIIA1911J
Connector
Terminal
(wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M99
26 (R/G)
Ground
Brake pedal
depressed
Battery volt-
age
Brake pedal
released
0
PIIB4346E
3 (R/Y) - Ground
: Battery voltage
PIIB7850E
BL-162
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
3.
CHECK STOP LAMP SWITCH OPERATION
Check continuity between stop lamp switch connector E116 terminal
3 and 4.
OK or NG
OK
>> GO TO 4.
NG
>> Replace stop lamp switch.
4.
CHECK STOP LAMP SWITCH CIRCUIT
1.
Check continuity between Intelligent Key unit harness connector
M99 terminal 26 and stop lamp switch harness connector E116
terminal 4.
2.
Check continuity between Intelligent Key unit harness connector
M99 terminal 26 and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Repair or replace harness.
Check Park Position Switch
NIS00185
1.
CHECK PARK POSITION SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK
>> Park position switch circuit is OK.
NG
>> GO TO 2.
Connector
Terminal
Condition
Continuity
E116
3
4
Brake pedal depressed
Yes
Brake pedal not
depressed
No
PIIB7851E
26 (R/G) - 4 (R/G)
: Continuity should exist.
26 (R/G) - Ground
: Continuity should not exist.
PIIB7852E
Connector
Terminal
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M99
39 (L/W)
Ground
Selector lever is in “P” position
0
Other than above
Battery voltage
PIIA6805E
INTELLIGENT KEY SYSTEM
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Revision: 2006 August
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2.
CHECK PARK POSITION SWITCH
1.
Disconnect CVT device (detention switch) connector.
2.
Check continuity between CVT device (detention switch) terminals 13 and 14.
OK or NG
OK
>> GO TO 3.
NG
>> Check CVT shift lock system. Refer to
3.
CHECK PARK POSITION SWITCH POWER SUPPLY CIRCUIT
Check continuity between CVT device (detention switch) harness
connector M57 terminal 13 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
4.
CHECK PARK POSITION SWITCH CIRCUIT
1.
Disconnect Intelligent Key unit connector.
2.
Check continuity between Intelligent Key unit harness connector
M99 terminal 39 and CVT device (detention switch) harness
connector M57 terminal 14.
3.
Check continuity between Intelligent Key unit harness connector
M75 terminals 39 and ground.
OK or NG
OK
>> Replace Intelligent Key unit.
NG
>> Repair or replace harness.
Connector
Terminal
Condition
Continuity
M57
13
14
Selector lever is in “P” position
No
Other than above
Yes
PIIB4627E
13 (R/Y) – Ground
: Battery voltage
PIIB4628E
39 (L/W) – 14 (L/W)
: Continuity should exist.
39 (L/W) – Ground
: Continuity should not exist.
PIIB4629E
BL-164
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
Check Select Unlock Relay
NIS00186
1.
CHECK PASSENGER SIDE SELECT UNLOCK RELAY INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK
>> Passenger side select unlock relay circuit is OK.
NG
>> GO TO 2.
2.
CHECK PASSENGER SIDE SELECT UNLOCK RELAY POWER SUPPLY CIRCUIT
1.
Disconnect passenger side select unlock relay.
2.
Check voltage between passenger side select unlock harness connector M123 terminal 2 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace passenger side select unlock relay
power circuit.
3.
CHECK PASSENGER SIDE SELECT UNLOCK RELAY
Check continuity between passenger side select unlock relay terminals 3 and 4.
OK or NG
OK
>> GO TO 4
NG
>> Replace passenger side select unlock relay.
Con-
nector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M99
40 (L/R)
Ground
Press door request switch
(passenger side) once
0
Other than above
Battery voltage
PIIB4352E
2 (Y/R) – Ground
: Battery voltage.
PIIB4353E
Connector
Terminals
Condition
Continuity
M123
3
4
12V direct current supply
between terminals 1 and 2
Yes
Other than above
No
PIIB4355E
INTELLIGENT KEY SYSTEM
BL-165
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Revision: 2006 August
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4.
CHECK PASSENGER SIDE SELECT UNLOCK RELAY CIRCUIT
1.
Disconnect Intelligent Key unit connector.
2.
Check continuity between Intelligent Key unit harness connector M99 terminal 40 and passenger side
select unlock relay harness connector M123 terminal 1.
3.
Check continuity between Intelligent Key unit harness connector
M99 terminal 40 and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Repair or replace harness between Intelligent Key unit
and passenger side select unlock relay.
Check “P-SHIFT” Warning Lamp
NIS00187
1.
CHECK WARNING LAMP OPERATION
With CONSULT-II
●
Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.
●
Select “KNOB ON”.
“P-SHIFT” warning lamp should illuminate.
Without CONSULT-II
Check voltage between Intelligent Key unit harness connector M99 terminal 21 and ground.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
40 (L/R) – 1 (L/R)
: Continuity should exist.
40 (L/R) – Ground
: Continuity should not exist.
PIIB4354E
PIIB4356E
Connec-
tor
Terminal
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M99
21
(BR/Y)
Ground
Within 2 seconds after
ignition knob switch is
turned ON
0
Other than above
Battery voltage
PIIB4357E
BL-166
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
2.
CHECK COMBINATION METER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit connector and combination meter connector.
3.
Check continuity Intelligent Key unit harness connector M99 ter-
minal 21 and combination meter harness connector M25 termi-
nal 13.
4.
Check continuity Intelligent Key unit harness connector M99 ter-
minal 21 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between Intelligent Key unit
and combination meter.
3.
CHECK INTELLIGENT KEY UNIT INPUT SIGNAL
1.
Connect combination meter connector.
2.
Check voltage between Intelligent Key unit harness connector
M99 terminal 21 and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Check combination meter. Refer to
21 (BR/Y) - 13 (BR/Y)
: Continuity should exist.
21(BR/Y) - Ground
: Continuity should not exist.
PIIB4630E
21 (BR/Y) - Ground
: Batter voltage
PIIB4633E
INTELLIGENT KEY SYSTEM
BL-167
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Revision: 2006 August
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Check “KEY” Warning Lamp (RED)
NIS00188
1.
CHECK WARNING LAMP OPERATION
With CONSULT-II
●
Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.
●
Select “RED ON”.
“KEY” warning lamp (red) should illuminate.
Without CONSULT-II
Check voltage between Intelligent Key unit harness connector M99 terminal 9 and ground.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
2.
CHECK COMBINATION METER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit connector and combination meter connector.
3.
Check continuity Intelligent Key unit harness connector M99 ter-
minal 9 and combination meter harness connector M25 terminal
7.
4.
Check continuity Intelligent Key unit harness connector M99 ter-
minal 9 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between Intelligent Key unit
and combination meter.
PIIB4356E
Connec-
tor
Terminal
(Wire cooler)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M99
9 (G/B)
Ground
When Intelligent Key is
outside vehicle, press
ignition switch.
0
Ignition switch OFF
Battery voltage
PIIB4359E
9 (G/B) - 7 (G/B)
: Continuity should exist.
9 (G/B) - Ground
: Continuity should not exist.
PIIB4631E
BL-168
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
3.
CHECK INTELLIGENT KEY UNIT INPUT SIGNAL
1.
Connect combination meter connector.
2.
Check voltage between Intelligent Key unit harness connector
M99 terminal 9 and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Check combination meter. Refer to
Check “KEY” Warning Lamp (GREEN)
NIS00189
1.
CHECK WARNING LAMP OPERATION
With CONSULT-II
●
Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.
●
Select “BLUE ON”.
“KEY”warning lamp (green) should illuminate.
Without CONSULT-II
Check voltage between Intelligent Key unit harness connector M99 terminal 8 and ground.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
9 (G/B) - Ground
: Batter voltage
PIIB4632E
PIIB4356E
Connec-
tor
Terminal
(Wire cooler)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M99
8 (L/W)
Ground
When Intelligent Key is
inside vehicle, press
ignition switch.
0
Ignition switch OFF
Battery voltage
PIIB4383E
INTELLIGENT KEY SYSTEM
BL-169
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Revision: 2006 August
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2.
CHECK COMBINATION METER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit connector and combination meter connector.
3.
Check continuity Intelligent Key unit harness connector M99 ter-
minal 8 and combination meter harness connector M25 terminal
8.
4.
Check continuity Intelligent Key unit harness connector M99 ter-
minal 8 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between Intelligent Key unit
and combination meter.
3.
CHECK INTELLIGENT KEY UNIT INPUT SIGNAL
1.
Connect combination meter connector.
2.
Check voltage between Intelligent Key unit harness connector
M99 terminal 8 and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Check combination meter. Refer to
Check Hazard Function
NIS0018A
1.
CHECK HAZARD WARNING LAMP
Does hazard warning lamp flash with hazard switch?
YES or NO
YES
>> Hazard warning lamp circuit is OK.
NO
>> Check hazard circuit. Refer to
LT-114, "TURN SIGNAL AND HAZARD WARNING LAMPS"
.
Check Horn Function
NIS0018B
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to
Inspection Using CONSULT-II (Self-Diagnosis)"
.
1.
CHECK HORN FUNCTION
Does horn sound with horn switch?
YES or NO
YES
>> Horn circuit is OK.
NO
>> Check horn circuit. Refer to
.
8 (L/W) - 8 (L/W)
: Continuity should exist.
8 (L/W) - Ground
: Continuity should not exist.
PIIB4634E
8 (L/W) - Ground
: Batter voltage
PIIB4635E
BL-170
INTELLIGENT KEY SYSTEM
Revision: 2006 August
2006 Murano
Check IPDM E/R Operation
NIS0018C
1.
CHECK IPDM E/R INPUT SIGNAL
Check voltage between IPDM E/R harness connector E9 terminal 51 and ground.
OK or NG
OK
>> Replace IPDM E/R.
NG
>> GO TO 2.
2.
CHECK IPDM E/R CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R and horn relay connector.
3.
Check continuity between IPDM E/R harness connector E9 terminal 51 and horn relay harness connector
E11 terminal 1.
4.
Check continuity between IPDM E/R harness connector E9 ter-
minal 51 and ground.
OK or NG
OK
>> Check harness connection.
NG
>> Repair or replace harness.
Removal and Installation of Intelligent Key Unit
NIS0018D
REMOVAL
1.
Remove the instrument passenger lower panel assembly. Refer to
IP-11, "Removal and Installation"
2.
Disconnect Intelligent Key unit connector, remove nut (A) and
Intelligent Key unit (1).
INSTALLATION
Installation is the reverse order of removal.
51 (G/O) – Ground
: Battery voltage
PIIA6403E
51 (G/O) – 1 (G/O)
: Continuity should exist.
51 (G/O) – Ground
: Continuity should not exist.
PIIB4957E
PIIB8707E
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