Nissan Murano Z50 (2007 year). Manual - part 24

 

  Index      Manuals     Nissan Murano Z50 (2007 year) - Service and Repair Manual

 

Search            copyright infringement  

 

 

 

 

 

 

 

 

Content      ..     22      23      24      25     ..

 

 

Nissan Murano Z50 (2007 year). Manual - part 24

 

 

INTELLIGENT KEY SYSTEM

BL-129

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 Murano

DOOR LOCK/UNLOCK FUNCTION MALFUNCTION

NOTE:

●

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to 

BL-

121, "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.

BL-139

2.

Check ignition knob switch.

BL-137

3.

Replace Intelligent Key unit.

BL-167

Door lock/unlock does not operate by request 
switch (driver side).

1.

Check door request switch (driver side).

BL-142

2.

Check outside key antenna (driver side).

BL-148

3.

Replace Intelligent Key unit.

BL-167

Door lock/unlock does not operate by request 
switch (passenger side).

1.

Check door request switch (passenger side).

BL-142

2.

Check outside key antenna (passenger side).

BL-151

3.

Replace Intelligent Key unit.

BL-167

Door lock/unlock does not operate by request 
switch (back door).

1.

Check door request switch (back door).

BL-142

2.

Check outside key antenna (rear bumper).

BL-153

3.

Replace intelligent key unit.

BL-167

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”.

BL-125

2.

Check select unlock function with a remote controller 
or door key cylinder.

BL-59

3.

Replace BCM.

BCS-14

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”.

BL-125

2.

Check select unlock relay.

BL-161

3.

Replace Intelligent Key unit.

BL-167

Selective unlock function dose not operate by 
request switch (back door).

1.

Check “SELECTIVE UNLOCK FUNCTION” setting in 
“WORK SUPPORT”.

BL-125

2.

Replace Intelligent Key unit.

BL-167

Auto lock function does not operate properly.

1.

Check “AUTO RELOCK TIMER” setting in “WORK 
SUPPORT”.

BL-125

2.

Check key switch.

BL-135

3.

Check ignition knob switch.

BL-137

4.

Check door switch.

BL-139

5.

Replace Intelligent Key unit.

BL-167

BL-130

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION

NOTE:

●

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to 

BL-

121, "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”.

BL-125

2.

Check door switch.

BL-139

3.

Check inside key antenna.

BL-155

4.

Check unlock sensor.

BL-144

5.

Check Intelligent Key battery inspection.

BL-168

6.

Replace Intelligent Key unit.

BL-167

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.

BL-167

Selective unlock function does not operate 
by Intelligent Key remote control button.

1.

Check “SELECT UNLOCK FUNCTION” setting in “WORK SUP-
PORT”.

BL-125

2.

Check Intelligent Key battery inspection.

BL-168

3.

Replace Intelligent Key unit.

BL-167

Auto lock function does not operate prop-
erly.

1.

Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.

BL-125

2.

Check key switch.

BL-135

3.

Check ignition knob switch.

BL-137

4.

Check door switch.

BL-139

5.

Replace Intelligent Key unit.

BL-167

Key reminder function does not operate 
properly.

1.

Check “ANTI KEY LOCK IN FUNCTION” setting in “WORK SUP-
PORT”.

BL-125

2.

Check door switch.

BL-139

3.

Check inside key antenna.

BL-155

4.

Check unlock sensor.

BL-144

5.

Check Intelligent Key battery inspection.

BL-168

6.

Replace Intelligent Key unit.

BL-167

Panic alarm function does not operate 
properly.

1.

Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.

BL-125

2.

Theft warning operation check.

BL-204

3.

Check Intelligent Key battery inspection.

BL-168

4.

Check key switch.

BL-135

5.

Check ignition knob switch.

BL-137

6.

Replace Intelligent Key unit.

BL-167

INTELLIGENT KEY SYSTEM

BL-131

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 Murano

HAZARD AND HORN REMINDER FUNCTION MALFUNCTION

NOTE:

●

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to 

BL-

121, "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 

BL-

121, "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 

BL-

121, "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”.

BL-125

2.

Check hazard function with hazard switch

BL-166

3.

Replace Intelligent Key unit.

BL-167

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”.

BL-125

2.

Check Intelligent Key warning buzzer (Engine room).

BL-146

3.

Check horn function.

BL-166

4.

Check IPDM E/R operation.

BL-167

5.

Replace Intelligent Key unit.

BL-167

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”.

BL-125

2.

Check hazard function.

BL-166

3.

Replace Intelligent Key unit.

BL-167

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”.

BL-125

2.

Check Intelligent Key warning buzzer (Engine room).

BL-146

3.

Check horn function.

BL-166

4.

Check IPDM E/R operation.

BL-167

5.

Replace Intelligent Key unit.

BL-167

Symptom

Diagnosis/Service procedure

Reference page

Power window down function does not 
operate properly.

1.

Check “P/W DOWN DELAY” setting in “WORK SUPPORT”.

BL-125

2.

Check Intelligent Key battery inspection.

BL-168

BL-132

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

●

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.

BL-137

2.

Check door switch.

BL-139

3.

Check key switch.

BL-135

4.

Check Intelligent Key warning buzzer (inside).

BL-145

5.

Replace Intelligent Key unit.

BL-167

Ignition key warning chime does not 
operate properly.
(When mechanical key used)

1.

Check key switch (Intelligent Key unit input).

BL-135

2.

Check key switch (BCM input).

BL-136

3.

Check door switch.

BL-139

4.

Check combination meter.

DI-16

5.

Replace Intelligent Key unit.

BL-167

OFF position warning chime does not 
operate.

1.

Check ignition knob switch.

BL-137

2.

Check key switch.

BL-135

3.

Check power supply and ground circuit.

BL-134

4.

Check Intelligent Key warning buzzer (inside).

BL-145

5.

Replace Intelligent Key unit.

BL-167

OFF position warning chime (after door 
closed) does not operate properly.

1.

Check ignition knob switch.

BL-137

2.

Check Intelligent Key warning buzzer (engine room).

BL-146

3.

Replace Intelligent Key unit.

BL-167

Take away warning chime does not oper-
ate properly.

1.

Check door switch.

BL-139

2.

Check power supply and ground circuit.

BL-134

3.

Check Intelligent Key battery inspection.

BL-168

4.

Check inside key antenna.

BL-155

5.

Check Intelligent Key warning buzzer (engine room).

BL-146

6.

Replace Intelligent Key unit.

BL-167

Take away warning chime (from window) 
does not operate properly.

1.

Check “TAKE OUT FROM WINDOW WARN” setting in 
“WORK SUPPORT”.

BL-125

2.

Check inside key antenna.

BL-155

3.

Check power supply and ground circuit.

BL-134

4.

Check Intelligent Key battery inspection.

BL-168

5.

Check Intelligent Key warning buzzer (inside).

BL-145

6.

Replace Intelligent Key unit.

BL-167

Door lock operation warning chime does 
not operate properly.

1.

Check door switch.

BL-139

2.

Check ignition knob switch.

BL-137

3.

Replace Intelligent Key unit.

BL-167

4.

Check door request switch (driver side).

BL-142

5.

Check outside key antenna (driver side).

BL-148

6.

Check inside key antenna.

BL-155

7.

Check Intelligent Key warning buzzer (engine room).

BL-146

8.

Replace Intelligent Key unit.

BL-167

INTELLIGENT KEY SYSTEM

BL-133

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 Murano

WARNING LAMP FUNCTION MALFUNCTION

NOTE:

●

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to 

BL-

121, "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”.

BL-125

2.

Check Intelligent Key battery inspection.

BL-168

3.

Check KEY warning lamp (green).

BL-165

4.

Replace Intelligent Key unit.

BL-167

P position warning lamp does not illuminate properly.

1.

Check park position switch.

BL-159

2.

Check “P-SHIFT” warning lamp (red).

BL-162

3.

Replace Intelligent Key unit.

BL-167

Take away warning lamp does not illuminate properly. 
(Take away warning chime is operated.)

1.

Check KEY warning lamp (red).

BL-164

2.

Replace Intelligent Key unit.

BL-167

Ignition switch warning lamp does not illuminate prop-
erly. (Ignition switch warning chime is operated.)

1.

Check KEY warning lamp (red).

BL-164

2.

Replace Intelligent Key unit.

BL-167

BL-134

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

Check CAN Communication System

NIS0017R

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-

49, "CAN System Specification Chart"

 .

CAN COMM2 [U1010]>> Replace Intelligent Key unit.

Check Power Supply and Ground Circuit

NIS0017S

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

INTELLIGENT KEY SYSTEM

BL-135

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 Murano

Check Key Switch (Intelligent Key Unit Input)

NIS0017T

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

BL-136

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

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)

NIS0017U

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

INTELLIGENT KEY SYSTEM

BL-137

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 Murano

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

NIS0017V

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

BL-138

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

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

INTELLIGENT KEY SYSTEM

BL-139

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 Murano

Check Door Switch

NIS0017W

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

BL-140

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

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

INTELLIGENT KEY SYSTEM

BL-141

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 Murano

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

BL-142

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

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

NIS0017X

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

INTELLIGENT KEY SYSTEM

BL-143

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 July

2007 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

BL-144

INTELLIGENT KEY SYSTEM

Revision: 2006 July

2007 Murano

5. 

CHECK DOOR REQUEST SWITCH CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit connector M99 terminals 5 (driver door), 25 (passenger
door), and 29 (back door) and door request switch connector D12 (driver door), D39 (passenger door),
D108 (back door) terminal 1.

3.

Check continuity between door request switch connector D12
(driver door), D42 (passenger door), D113 (back door) terminal
1 and ground.

OK or NG

OK

>> Replace Intelligent Key unit.

NG

>> Repair or replace harness between Intelligent Key unit and door request switch.

Check Unlock Sensor

NIS0017Y

1. 

CHECK UNLOCK SENSOR POWER SUPPLY

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Unlock sensor 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 assembly
(driver side) connector.

3.

Check continuity between Intelligent Key unit harness connector
M99 terminal 28 and front door lock assembly (driver side) har-
ness connector D10 terminal 1.

4.

Check continuity between Intelligent Key unit harness connector
M99 terminal 28 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit and front door lock assembly (driver side).

Driver

5 (B/W) - 1 (B/W)

: Continuity should exist.

Passenger

25 (P/L) - 1 (P/L)

: Continuity should exist.

Back door

29 (G/W) - 1 (G/R)

: Continuity should exist.

1 - Ground

: Continuity should not exist.

PIIA6747E

Con-

nector

Terminals (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

28 (SB)

Ground

Driver side door lock is 
locked

5

Driver side door lock is 
unlocked

0

PIIA6802E

28 (SB) – 1 (G/Y)

: Continuity should exist.

28 (SB) – Ground

: Continuity should not exist.

PIIB4610E

 

 

 

 

 

 

 

Content      ..     22      23      24      25     ..