Nissan Murano Z50 (2005 year). Manual — part 35
INTELLIGENT KEY SYSTEM
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KEY WARNING LAMP DOES NOT ILLUMINATE
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "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 “Diagnoses/Service procedure” col-
umn in this order.
●
Check if ignition switch turns using mechanical key. If it turns, check if “ENGINE START BY I-KEY” in
“WORK SUPPORT” mode is ON.
Conditions of Vehicle (Operating Conditions)
●
Intelligent Key is registered.
●
Key is not inserted in ignition switch.
●
One or more registered Intelligent Keys are in the vehicle.
SELF-DIAGNOSIS RESULTS ARE NOT DISPLAYED
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "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 “Diagnoses/Service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
●
ID-registered mechanical key is used.
●
Multiple mechanical keys are not set in a keyfob.
(If mechanical keys are near the ignition switch, the operation may not work properly.)
ENGINE START CONDITION CHECK
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "Trouble Diagnosis Procedure"
●
If the following “symptoms” are detected, check systems shown in the ”Diagnoses/Service procedure” col-
umn in this order.
Symptom
Diagnosis/Service procedure
Reference page
Ignition switch does not turn on with Intelligent Key.
[KEY warning lamp does not illuminate.]
1.
Check Intelligent Key unit power supply and ground
circuit.
2.
Check ignition knob switch.
3.
Check key switch.
4.
Replace Intelligent Key unit.
Symptom
Diagnosis/Service procedure
Reference page
Ignition switch does not turn on with mechani-
cal Key.
1.
Check key switch.
2.
Check NATS antenna amp.
Symptom
Diagnosis/Service procedure
Reference page
Engine can not start
1.
Check park position switch.
2.
Check stop lamp switch.
BL-130
INTELLIGENT KEY SYSTEM
Revision: 2005 August
2005 Murano
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "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)
●
LOCK/UNLOCK BY I-KEY is ON when setting on CONSULT-II.
●
Ignition switch is not depressed.
●
All doors are closed.
Symptom
Diagnosis/Service procedure
Reference page
Door lock/unlock do not operate by request
switch.
1.
Check door switch.
2.
Check ignition knob switch.
3.
Replace Intelligent Key unit.
Door lock/unlock does not operate by request
switch (driver side).
1.
Check door request switch (driver side).
2.
Check outside key antenna (driver side).
3.
Replace Intelligent Key unit.
Door lock/unlock does not operate by request
switch (passenger side).
1.
Check door request switch (passenger side).
2.
Check outside key antenna (passenger side).
3.
Replace Intelligent Key unit.
Door lock/unlock does not operate by request
switch (back door).
1.
Check door request switch (back door).
2.
Check outside key antenna (rear bumper).
3.
Replace intelligent key unit.
Selective unlock function does not operate by
request switch (driver side). (Other door lock
function operate properly)
1.
Check “SELECTIVE UNLOCK FUNCTION” setting in
“WORK SUPPORT”.
2.
Check select unlock function with a remote controller
or door key cylinder.
3.
Replace BCM.
Selective unlock function does not operate by
request switch (passenger side). (Other door
lock function operate properly)
1.
Check “SELECTIVE UNLOCK FUNCTION” setting in
“WORK SUPPORT”.
2.
Check select unlock relay.
3.
Replace Intelligent Key unit.
Selective unlock function dose not operate by
request switch (back door).
1.
Check “SELECTIVE UNLOCK FUNCTION” setting in
“WORK SUPPORT”.
2.
Replace Intelligent Key unit.
Auto lock function does not operate properly.
1.
Check “AUTO RELOCK TIMER” setting in “WORK
SUPPORT”.
2.
Check key switch.
3.
Check ignition knob switch.
4.
Check door switch.
5.
Replace Intelligent Key unit.
INTELLIGENT KEY SYSTEM
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REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "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)
●
Ignition switch is not depressed.
●
All doors are closed.
Key reminder function does not operate prop-
erly.
1.
Check “ANTI KEY LOCK IN FUNCTION” setting in
“WORK SUPPORT”.
2.
Check door switch.
3.
Check inside key antenna.
4.
Check unlock sensor.
5.
Check Intelligent Key battery inspection.
6.
Replace Intelligent Key unit.
Symptom
Diagnosis/Service procedure
Reference page
Symptom
Diagnosis/Service procedure
Reference
page
Either one of the remote keyless entry
functions do not operate.
Replace Intelligent Key unit.
Selective unlock function does not operate
by Intelligent Key remote control button.
1.
Check “SELECT UNLOCK FUNCTION” setting in “WORK SUP-
PORT”.
2.
Check Intelligent Key battery inspection.
3.
Replace Intelligent Key unit.
Auto lock function does not operate prop-
erly.
1.
Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.
2.
Check key switch.
3.
Check ignition knob switch.
4.
Check door switch.
5.
Replace Intelligent Key unit.
Key reminder function does not operate
properly.
1.
Check “ANTI KEY LOCK IN FUNCTION” setting in “WORK SUP-
PORT”.
2.
Check door switch.
3.
Check inside key antenna.
4.
Check unlock sensor.
5.
Check Intelligent Key battery inspection.
6.
Replace Intelligent Key unit.
Panic alarm function does not operate
properly.
1.
Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.
2.
Theft warning operation check.
3.
Check Intelligent Key battery inspection.
4.
Check key switch.
5.
Check ignition knob switch.
6.
Replace Intelligent Key unit.
BL-132
INTELLIGENT KEY SYSTEM
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HAZARD AND HORN REMINDER FUNCTION MALFUNCTION
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "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)
●
Ignition switch is not depressed.
●
All doors are closed.
POWER WINDOW DOWN FUNCTION MALFUNCTION
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "Trouble Diagnosis Procedure"
●
If the following “symptoms” are detected, check systems shown in the “Diagnoses/Service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
●
Key is not inserted in ignition switch.
●
One or more registered Intelligent Keys are in the vehicle.
WARNING CHIME FUNCTION MALFUNCTION
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "Trouble Diagnosis Procedure"
Symptom
Diagnosis/Service procedure
Reference page
Hazard reminder does not operate properly
by request switch. (Horn reminder operate
properly.)
1.
Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.
2.
Check hazard function with hazard switch
3.
Replace Intelligent Key unit.
Horn reminder does not operate properly by
request switch. (Horn reminder operate prop-
erly.)
1.
Check “ANSWER BACK WITH I-KEY LOCK” or
“ANSWER BACK WITH I-KEY UNLOCK” setting in
“WORK SUPPORT”.
2.
Check Intelligent Key warning buzzer (Engine room).
3.
Check horn function.
4.
Check IPDM E/R operation.
5.
Replace Intelligent Key unit.
Hazard reminder does not operate properly
by Intelligent Key remote control button.
(Horn reminder operate properly.)
1.
Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.
2.
Check hazard function.
3.
Replace Intelligent Key unit.
Horn reminder does not operate properly by
Intelligent Key remote control button (door
lock/unlock button). (Horn reminder operate
properly.)
1.
Check “HORN WITH KEYLESS LOCK” setting in “WORK
SUPPORT”.
2.
Check Intelligent Key warning buzzer (Engine room).
3.
Check horn function.
4.
Check IPDM E/R operation.
5.
Replace Intelligent Key unit.
Symptom
Diagnosis/Service procedure
Reference page
Power window down function does not
operate properly.
1.
Check “P/W DOWN DELAY” setting in “WORK SUPPORT”.
2.
Check Intelligent Key battery inspection.
INTELLIGENT KEY SYSTEM
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●
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)
Each warning chime function is ON when setting on CONSULT-II.
Symptom
Diagnosis/Service procedure
Reference page
Ignition switch warning chime does not
operate.
1.
Check ignition knob switch.
2.
Check door switch.
3.
Check key switch.
4.
Check Intelligent Key warning buzzer (inside).
5.
Replace Intelligent Key unit.
Ignition key warning chime does not
operate properly.
(When mechanical key used)
1.
Check key switch (Intelligent Key unit input).
2.
Check key switch (BCM input).
3.
Check door switch.
4.
Check combination meter.
5.
Replace Intelligent Key unit.
OFF position warning chime does not
operate.
1.
Check ignition knob switch.
2.
Check key switch.
3.
Check power supply and ground circuit.
4.
Check Intelligent Key warning buzzer (inside).
5.
Replace Intelligent Key unit.
OFF position warning chime (after door
closed) does not operate properly.
1.
Check ignition knob switch.
2.
Check Intelligent Key warning buzzer (engine room).
3.
Replace Intelligent Key unit.
Take away warning chime does not oper-
ate properly.
1.
Check door switch.
2.
Check power supply and ground circuit.
3.
Check Intelligent Key battery inspection.
4.
Check inside key antenna.
5.
Check Intelligent Key warning buzzer (engine room).
6.
Replace Intelligent Key unit.
Take away warning chime (from window)
does not operate properly.
1.
Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”.
2.
Check inside key antenna.
3.
Check power supply and ground circuit.
4.
Check Intelligent Key battery inspection.
5.
Check Intelligent Key warning buzzer (inside).
6.
Replace Intelligent Key unit.
Door lock operation warning chime does
not operate properly.
1.
Check door switch.
2.
Check ignition knob switch.
3.
Replace Intelligent Key unit.
4.
Check door request switch (driver side).
5.
Check outside key antenna (driver side).
6.
Check inside key antenna.
7.
Check Intelligent Key warning buzzer (engine room).
8.
Replace Intelligent Key unit.
BL-134
INTELLIGENT KEY SYSTEM
Revision: 2005 August
2005 Murano
WARNING LAMP FUNCTION MALFUNCTION
NOTE:
●
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
122, "Trouble Diagnosis Procedure"
●
If the following “symptoms” are detected, check systems shown in the “Diagnosis/Service procedure” col-
umn in this order.
Symptom
Diagnosis/Service procedure
Reference page
Intelligent Key low battery warning does not operate
properly.
1.
Check “LOW BAT OF KEY FOB WARN” set-
ting in “WORK SUPPORT”.
2.
Check Intelligent Key battery inspection.
3.
Check KEY warning lamp (green).
4.
Replace Intelligent Key unit.
P position warning lamp does not illuminate properly.
1.
Check park position switch.
2.
Check “P-SHIFT” warning lamp (red).
3.
Replace Intelligent Key unit.
Take away warning lamp does not illuminate properly.
(Take away warning chime is operated.)
1.
Check KEY warning lamp (red).
2.
Replace Intelligent Key unit.
Ignition switch warning lamp does not illuminate prop-
erly. (Ignition switch warning chime is operated.)
1.
Check KEY warning lamp (red).
2.
Replace Intelligent Key unit.
INTELLIGENT KEY SYSTEM
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Check CAN Communication System
AIS006CC
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
"Precautions When Using CONSULT-II"
CAN COMM2 [U1010]>> Replace Intelligent Key unit.
Check Power Supply and Ground Circuit
AIS006CD
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit harness 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
M75 terminal 12 (B) and ground.
OK or NG
OK
>> Power supply and ground circuits are OK.
NG
>> Repair or replace the Intelligent Key unit ground circuit.
CONSULT-II display item
DTC code
NO DTC IS DETECTED
—
CAN COMM
U1000
CAN COMM2
U1010
Con-
nector
Terminal
(Wire color)
Ignition switch position
M99
(+)
(–)
OFF
ACC
ON
6 (G)
Ground
0V
0V
Battery voltage
10 (P/B)
0V
Battery voltage
Battery voltage
11 (G/Y)
Battery volt-
age
Battery voltage
Battery voltage
MIIB0360E
12 (B) - Ground
: Continuity should exist.
MIIB0361E
BL-136
INTELLIGENT KEY SYSTEM
Revision: 2005 August
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Check Key Switch (Intelligent Key Unit Input)
AIS006CE
1.
CHECK KEY SWITCH
With CONSULT-II
Check key switch (“KEY SW”) in “DATA MONITOR” mode with CON-
SULT-II.
OK or NG
OK
>> Key switch 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 harness connector M118 terminal 3 and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace key switch and ignition knob switch
power supply circuit.
3.
CHECK KEY SWITCH OPERATION
Check continuity between key switch and ignition knob switch har-
ness connector M118 terminal 3 and 4.
OK or NG
OK
>> GO TO 4.
NG
>> Replace key cylinder assembly (built-in key switch).
Monitor item
Condition
KEY SW
Insert mechanical key into ignition switch: ON
Remove mechanical key into ignition switch: OFF
PIIB1359E
3 (G/Y) - Ground
: Battery voltage
PIIB4254E
Connector
Terminal
Condition
Continuity
M118
3
4
Insert mechanical key
into ignition switch.
Yes
Remove mechanical key
from ignition switch.
No
PIIA6140E
INTELLIGENT KEY SYSTEM
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4.
CHECK KEY SWITCH CIRCUIT
1.
Disconnect Intelligent Key unit connector.
2.
Check continuity between Intelligent Key unit harness connector M99 terminal 7 and key switch and igni-
tion knob switch harness connector M118 terminal 4.
3.
Check continuity between Intelligent Key unit harness connector
M99 terminal 7 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.
Check Key Switch (BCM Input)
AIS006CF
1.
CHECK KEY 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 con-
nector M118 terminal 3 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
Check continuity between key switch and ignition knob switch har-
ness connector M118 terminals 3 and 4.
OK or NG
OK
>> GO TO 3.
NG
>> Replace key cylinder assembly (built-in key switch).
7 (B/R) - 4 (B/R)
: Continuity should exist.
7 (B/R) - Ground
: Continuity should not exist.
PIIB4255E
3 (G/Y) – Ground
: Battery voltage.
PIIB4254E
Connector
Terminal
Condition
Continuity
M118
3
4
Insert mechanical key
into ignition switch.
Yes
Remove mechanical key
from ignition switch.
No
PIIA6140E
BL-138
INTELLIGENT KEY SYSTEM
Revision: 2005 August
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3.
CHECK KEY SWITCH SIGNAL CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector M34 terminal
37 and key switch and ignition knob switch harness connector
M118 terminal 4.
3.
Check continuity between BCM harness connector M34 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.
Check Ignition Knob Switch
AIS006CG
1.
CHECK IGNITION KNOB SWITCH
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 harness connector
M99 terminal 27 and ground.
OK or NG
OK
>> Ignition knob switch is OK.
NG
>> GO TO 2.
37 (B/R) – 4 (B/R)
: Continuity should exist.
37 (B/R) – Ground
: Continuity should not exist.
PIIB4256E
Monitor item
Condition
PUSH SW
Ignition switch is pushed: ON
Ignition switch is withdrawn: OFF
PIIB1360E
Con-
nector
Terminal (Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M99
27 (G/O)
Ground
Ignition switch is
pushed
Battery voltage
Ignition switch is
withdrawn
0
PIIB1364E
INTELLIGENT KEY SYSTEM
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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 harness connector M118 terminal 1 and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace key switch and ignition knob switch
power supply circuit.
3.
CHECK IGNITION KNOB SWITCH OPERATION
Check continuity between ignition knob switch harness connector M118 terminal 1 and 2.
OK or NG
OK
>> GO TO 4.
NG
>> Replace key switch and ignition knob switch.
4.
CHECK IGNITION KNOB SWITCH CIRCUIT
1.
Check continuity between Intelligent Key unit harness connector M99 terminal 27 and key switch and igni-
tion knob switch harness connector M118 terminal 2.
2.
Check continuity between Intelligent Key unit harness connector
M99 terminal 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.
1 (G/Y) - Ground
: Battery voltage
PIIB4257E
Connector
Terminal
Condition
Continuity
M118
1
2
Ignition switch is pushed
Yes
Ignition switch is with-
drawn.
No
PIIA9929E
27 (G/O) - 2 (G/O)
: Continuity should exist.
27 (G/O) - Ground
: Continuity should not exist.
PIIB4258E
BL-140
INTELLIGENT KEY SYSTEM
Revision: 2005 August
2005 Murano
Check Door Switch
AIS006CH
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1.
CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR
SW-RL” and “DOOR SW-RR”) in “DATA MONITOR” mode with
CONSULT-II.
Without CONSULT-II
1.
Turn ignition switch OFF.
2.
Check voltage between BCM harness connector and ground.
OK or NG
OK
>> Door switch circuit is OK.
NG
>> GO TO 2.
Monitor item
Condition
DOOR SW-DR
CLOSE
→
OPEN: OFF
→
ON
DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
Item
Con-
nector
Terminals
(Wire color)
Door
condition
Voltage (V)
(Approx.)
(+)
(-)
Driver side
M36
62 (SB)
Ground
CLOSE
↓
OPEN
Battery voltage
↓
0
Rear LH
63
(R/W)
Passenger side
M34
12 (R/G)
Rear RH
13 (R/W)
PIIA6469E
PIIA7003E
INTELLIGENT KEY SYSTEM
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2.
CHECK DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect door lock assembly connector.
3.
Check continuity between door switch terminals 4 and 5.
OK or NG
OK
>> GO TO 3.
NG
>> Replace malfunction door lock assembly.
3.
CHECK DOOR SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between door switch harness connector D10, D38, D56, D76 terminals 4 and BCM har-
ness connector M34, M36 terminals 12, 13, 62, 63.
3.
Check continuity between door switch harness connector D10,
D38, D56, D76 terminal 4 and ground.
OK or NG
OK
>> Check door switch case ground condition.
NG
>> Repair or replace harness.
Terminal
Door condition
Continuity
4
5
Close
No
Open
Yes
PIIB4605E
Driver door
4 (SB) –62 (SB)
: Continuity should exist.
Passenger door
4 (R/G) – 12 (R/G)
: Continuity should exist.
Rear door LH
4 (V) – 63 (V)
: Continuity should exist.
Rear door RH
4 (R/W) – 13 (R/W)
: Continuity should exist.
4 (SB, R/G, V or R/W) –
Ground
: Continuity should not
exist.
PIIB4606E
BL-142
INTELLIGENT KEY SYSTEM
Revision: 2005 August
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CHECK BACK DOOR SWITCH
1.
CHECK BACK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR BK SW”) in “DATA MONITOR” mode
with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK
>> Door switch circuit is OK.
NG
>> GO TO 2.
2.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and back door lock assembly connector.
3.
Check continuity between BCM connector M36 terminal 58 and
back door lock assembly connector D111 terminal 3.
4.
Check continuity between BCM connector M36 terminal 58 and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
Monitor item
Condition
DOOR BK SW
Close
→
Open: CLOSE
→
OPEN
PIIB4684E
Connec-
tor
Terminal
(Wire color)
Back door condition
Voltage (V)
(Approx.)
(+)
(-)
M36
58 (V/W)
Ground
Close
↓
Open
Battery voltage
↓
0
PIIA6473E
58 (V/W) – 3 (V/W)
: Continuity should exist.
58 (V/W) – Ground
: Continuity should not exist.
PIIB4607E
INTELLIGENT KEY SYSTEM
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3.
CHECK GROUND CIRCUIT
Check continuity between back door closure motor connector D111
terminal 4 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
4.
CHECK BACK DOOR SWITCH
Check continuity between back door lock assembly terminals 3 and
4.
OK or NG
OK
>> GO TO 5.
NG
>> Replace back door lock assembly.
5.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM connector.
2.
Check voltage between BCM connector M36 terminal 58 and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Replace BCM.
Check Door Request Switch
AIS006D6
1.
CHECK DOOR REQUEST SWITCH
With CONSULT-II
Display “DR REQ SW” (driver door), “AS REQ SW” (passenger
door) and “BD/TR REQ SW” (back door) on DATA MONITOR
screen, and check if ON-OFF display is linked to door request switch
operation.
OK or NG
OK
>> Door request switch is OK.
NG
>> GO TO 2.
4 (B) – Ground
: Continuity should exist.
PIIB4608E
Terminals
Back door condition
Continuity
3
4
Open
Yes
Close
No
PIIB4609E
58 (V/W) – Ground
: Battery voltage
PIIA6229E
Press door request switch.
: ON
Release door request switch.
: OFF
PIIB1361E
BL-144
INTELLIGENT KEY SYSTEM
Revision: 2005 August
2005 Murano
2.
CHECK DOOR REQUEST SWITCH SIGNAL
1.
Turn ignition knob LOCK position.
2.
Disconnect door request switch connector.
3.
Check voltage between door request switch connector D12 (driver door), D39 (passenger door), D108
(back door) terminal 1 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 5.
3.
CHECK DOOR REQUEST SWITCH OPERATION
Check continuity between door request switch terminals 1 and 2.
OK or NG
OK
>> GO TO 4.
NG
>> Replace door request switch.
4.
CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between door request switch connector D12 (driver side), D39 (passenger side), D108 (back
door) terminal 2 (B) and ground.
OK or NG
OK
>> Check harness connection.
NG
>> Repair or replace door request switch ground circuit.
Driver
1 (BW) - Ground
: Approx. 5V
Passenger
1 (P/L) - Ground
: Approx. 5V
Back door
1 (G/R) - Ground
: Approx. 5V
PIIA6744E
Terminal
Condition
Continuity
1
2
Press door request switch
Yes
Other than above
No
PIIA9930E
2 (B) - Ground
: Continuity should exist.
PIIA6746E
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