Nissan Murano Z50 (2004 year). Manual - part 29

REMOTE KEYLESS ENTRY SYSTEM

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Schematic

AIS002FI

TIWA0491E

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REMOTE KEYLESS ENTRY SYSTEM

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Wiring Diagram — KEYLES—

AIS002FJ

FIG. 1

TIWA0492E

REMOTE KEYLESS ENTRY SYSTEM

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FIG. 2

TIWA0493E

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REMOTE KEYLESS ENTRY SYSTEM

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FIG. 3

TIWA0494E

REMOTE KEYLESS ENTRY SYSTEM

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Terminals and Reference Value for BCM

AIS002N0

Terminals and Reference Value for IPDM E/R

AIS002FL

*: In the state that horn reminder and panic alarm operates.

TERMINAL 

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE [V]

(Approx.)

11

P/B

Ignition switch (ACC)

Ignition switch is in ACC position

Battery voltage

12

R/G

Front door switch signal
(passenger side)

ON (Door is opened) 

→

 OFF (Door is 

closed) 

0 

→

 Battery voltage

13

R/W

Rear door switch RH

ON (Door is opened) 

→

 OFF (Door is 

closed)

0 

→

 Battery voltage

37

B/R

Key switch input signal 

Key switch ON (key is inserted in 
ignition key cylinder)

Battery voltage 

Key switch OFF (key is removed from 
ignition key cylinder)

0

38

R

Ignition switch (ON)

Ignition switch is in ON position

Battery voltage

39

L

CAN-H

—

—

40

Y

CAN-L

—

—

42

GR

Power source (fuse)

—

Battery voltage

52

B

Ground

—

0

55

W/B

Power source (Fusible link)

—

Battery voltage

58

V/W

Back door switch signal

ON (Back door is opened) 

→

 OFF 

(Back door is closed) 

0 

→

 Battery voltage

62

SB

Front door switch signal
(driver side)

ON (Door is opened) 

→

 OFF (Door is 

closed) 

0 

→

 Battery voltage

63

R/W

Rear door switch LH

ON (Door is opened) 

→

 OFF (Door is 

closed)

0 

→

 Battery voltage

TERMINAL 

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE [V]

(Approx.)

38

B

Ground

—

0

48

L

CAN – H

—

—

49

Y

CAN – L

—

—

51

G/O

Horn relay

When door lock or panic alarm are oper-
ated using key fob* 
(ON 

→

 OFF)

0 

→

 Battery voltage

60

B

Ground

—

0

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CONSULT-II Function

AIS002FM

The following functions are executed by combining data received and command transmitted via the communi-
cation line from the BCM.

*:Refer to 

BCS-14, "CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)"

 .

CONSULT-II Inspection Procedure

AIS002FN

CAUTION:

If CONVERTER is not connected with CONSULT-II, vehicle occur the “FAIL-SAFE MODE” which is
“LIGHT UP THE HEADLAMP” and/or “COOLING FAN ROTATING” when CONSULT-II is started.

“MULTI REMOTE ENT”

1.

Turn ignition switch “OFF”.

2.

Connect “CONSULT-II” and “CONSULT-II CONVERTER” to
data link connector.

3.

Turn ignition switch “ON”.

4.

Touch “START (NISSAN BASED VHCL)”.

5.

Touch “BCM”.
If “BCM” is not indicated, go to 

GI-39, "CONSULT-II Data Link

Connector (DLC) Circuit"

  .

BCM diagnosis part

Inspection items and diagnosis mode

Description

BCM*

SELF-DIAG RESULTS

Carries out the self-diagnosis.

DATA MONITOR

CAN DIAG SUPPORT 

MNTR

Displays CAN communication system diagnosis, dis-
abled transmission status, and communication status of 
each unit communicated with BCM.

SELECTION FROM MENU

Displays the input data to BCM on real-time basis.

MULTI REMOTE ENT

DATA MONITOR

Displays the input remote keyless entry system data to 
BCM on real–time basis.

ACTIVE TEST

Gives a drive to a load to check the operation.

WORK SUPPORT

Changes the setting for each function.

PIIA1095E

MBIB0233E

LIIA0033E

REMOTE KEYLESS ENTRY SYSTEM

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6.

Touch “MULTI REMOTE ENT”.

7.

Select diagnosis mode.
“WORK SUPPORT”, “DATA MONITOR” and “ACTIVE TEST”
are available.

CONSULT-II Application Items

AIS002FO

“MULTI REMOTE CONTENT”
Work Support

*: Perform this mode always in the state of C mode. Refer to 

BL-54, "Hazard and Horn Reminder"

 .

HORN CHIRP SET*

*: Perform this mode always in the state of C mode. Refer to 

BL-54, "Hazard and Horn Reminder"

 .

HAZARD LAMP BACK SET*

*: Perform this mode always in the state of C mode. Refer to 

BL-54, "Hazard and Horn Reminder"

 .

PIIA9922E

PIIA9924E

Test Item

Description

HORN CHIRP SET*

Horn reminder mode can be changed in this mode. The horn reminder mode will be 
changed when “CHANGE SETT” on CONSULT-II screen is touched.

HAZARD LAMP SET*

Hazard reminder mode can be changed in this mode. The hazard reminder mode will be 
changed when “CHANGE SETT” on CONSULT-II screen is touched.

MULTI ANSWER BACK SET

Hazard and horn reminder mode can be changed in this mode. The hazard and horn 
reminder mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

AUTO LOCK SET

Auto locking function mode can be changed in this mode. The function mode will be 
changed when “CHANGE SETT” on CONSULT-II screen is touched. 

PANIC ALRM SET

Panic alarm operation mode can be changed in this mode. The operation mode will be 
changed when “CHANGE SETT” on CONSULT-II screen is touched.

TRUNK OPEN SET

Trunk lid opener operation mode can be changed in this mode. The operation mode will be 
changed when “MODE SET” on CONSULT-II screen is touched.

PW DOWN SET

Keyless power window down (open) operation mode can be changed in this mode. The 
operation mode will be changed when“CHANGE SETT” on CONSULT-II screen is touched.

Horn chirp function

ON

OFF

MODE1

MODE2

MODE3

MODE4

Hazard lamp operation mode

Nothing

Unlock only

Lock only

Lock and Unlock

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MULTI ANSWER BACK SET

AUTO LOCK SET

PANIC ALARM SET

Trunk open operation mode

PW DOWN SET

MODE 1

(C mode)

MODE 2

(S mode)

Key fob operation

Lock

Unlock

Lock

Unlock

Hazard warning lamp flash

Twice

Once

Twice

—

Horn sound

Once

—

—

—

MODE 1

MODE 2

MODE 3

Auto locking function

1 minutes

Nothing

5 minutes

MODE 1

MODE 2

MODE 3

Key fob operation

0.5 seconds

Nothing

1.5 seconds

MODE 1

MODE 2

MODE 3

Key fob operation

0.5 seconds

Nothing

1.5 seconds

MODE 1

MODE 2

MODE 3

Key fob operation

3 seconds

Nothing

5 seconds

REMOTE KEYLESS ENTRY SYSTEM

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Data Monitor

Active Test

Work Flow

AIS002FP

1.

Check the trouble symptom and customer's requests.

2.

Understand outline of system. Refer to 

BL-53, "System Description"

  .

3.

Confirm that power door lock system operates normally.
Refer to 

BL-22, "POWER DOOR LOCK SYSTEM"

  .

4.

Refer to trouble diagnosis chart by symptom, repair or replace any malfunctioning parts.
Refer to 

BL-66, "Trouble Diagnosis Chart by Symptom"

  .

5.

INSPECTION END

Monitored Item

Description

IGN ON SW

Indicates [ON/OFF] condition of ignition switch in ON position.

KEY ON SW

Indicates [ON/OFF] condition of key switch.

ACC ON SW

Indicates [ON/OFF] condition of ignition switch in ACC position.

KEYLESS LOCK

Indicates [ON/OFF] condition of lock signal from key fob.

KEYLWSS UNLOCK

Indicates [ON/OFF] condition of unlock signal from key fob.

KEYLESS PANIC

Indicates [ON/OFF] condition of panic signal from key fob.

KEYLESS TRUNK

Indicates [ON/OFF] condition of panic signal from key fob.

DOOR SW-DR

Indicates [ON/OFF] condition of front door switch driver side.

DOOR SW-AS

Indicates [ON/OFF] condition of front door switch passenger side.

DOOR SW-RR

Indicates [ON/OFF] condition of rear door switch RH.

DOOR SW-RL

Indicates [ON/OFF] condition of rear door switch LH.

BACK DOOR SW

This is displayed even when it is not equipped.

TRUNK OPN MNTR

Indicates [ON/OFF] condition of trunk room lamp switch.

CDL LOCK SW

Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.

CDL UNLOCK SW

Indicates [ON/OFF] condition of unlock signal from door lock and unlock switch.

RKE LCK-UNLOCK

Indicates [ON/OFF] condition of simultaneous signal of lock and unlock from key fob.

RKE KEEP UNLK

Indicates [ON/OFF] condition of unlock continuousness signal from key fob.

KEY CYL LK-SW

Indicates [ON/OFF] condition of lock signal from door key cylinder switch. 

KEY CYL UN-SW

Indicates [ON/OFF] condition of unlock signal from door key cylinder switch. 

Test Item

Description

FLASHER

This test is able to check right hazard reminder operation.
The right hazard lamp turns on when “ON” on CONSULT-II screen is touched.

POWER WINDOW DOWN

This test is able to check power window open operation.
The front power windows activate for 10 seconds after “ON” on CONSULT-II screen is touched.

HORN

This test is able to check panic alarm and horn reminder operations.
The horn activate for 0.5 seconds after “ON” on CONSULT-II screen is touched.

DOOR LOCK

This test is able to check door lock actuator operation.

●

The all door lock actuator are locked when “ALL LOCK” on CONSULT-II screen is touched.

●

The all door lock actuator are unlocked when “ALL UNLOCK” on CONSULT-II screen is touched.

●

The door lock actuator (driver side) is unlocked when “DR UNLOCK” on CONSULT-II screen is 
touched.

●

The all door lock actuator (except driver side) are unlocked when “OTHER UNLOCK” on CON-
SULT-II screen is touched.

TRUNK/BACK DOOR

This is displayed even when it is not equipped.

PSD PBD OPEN TEST

This is displayed even when it is not equipped.

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Trouble Diagnosis Chart by Symptom

AIS002FQ

NOTE:

●

Always check the “Work Flow” before troubleshooting. Refer to 

BL-65, "Work Flow"

  .

●

Always check key fob battery before replacing key fob.

Symptom

Diagnoses/service procedure

Reference 

page

All function of remote keyless entry system do not 
operate.

1. Check key fob battery.

BL-67

2. Check key fob function.

BL-67

3. Replace BCM.

BCS-14

The new ID code of key fob cannot be entered with-
out CONSULT-II.

1. Check key fob battery.

BL-67

2. Check key switch.

BL-73

3. Check door switch.

BL-69

4. Check ACC power supply circuit.

BL-68

5. Replace BCM.

BCS-14

Door lock or unlock does not function with key fob.
(Power door lock system is “OK”.)
(Panic alarm activates properly with key fob.)

1. Check key fob function.

BL-67

2. Replace BCM.

BCS-14

Hazard and horn reminder does not activate prop-
erly when pressing lock or unlock button of key fob.

1. Check hazard and horn reminder mode.*
*: Hazard and horn reminder mode can be changed.
First check the hazard and horn reminder setting.

BL-63

2. Check door switch.

BL-69

3. Replace BCM.

BCS-14

Hazard reminder does not activate properly when 
pressing lock or unlock button of key fob.
(Horn reminder is “OK”.)

1. Check hazard reminder mode.*
*: Hazard reminder mode can be changed.
 First check the hazard reminder setting.

BL-63

2. Check hazard function.

BL-75

3. Replace BCM.

BCS-14

Horn reminder does not activate properly when 
pressing lock button of key fob.
(Hazard reminder is “OK”.)

1. Check horn reminder mode.*
*: Horn reminder mode can be changed.
 First check the horn chirp setting.

BL-63

2. Check horn function.

BL-75

3. Check IPDM E/R operation.

BL-75

4. Replace BCM.

BCS-14

Panic alarm (horn and headlamp) does not activate 
when panic alarm button is continuously pressed.
(Door lock and unlock activates properly with key 
fob.)

1. Check panic alarm mode.*
*: Panic alarm mode can be changed.
 First check the panic alarm setting.

BL-63

2. Check key fob function.

BL-67

3. Check key switch.

BL-73

4. Check headlamp function.

BL-76

5. Check horn function.

BL-75

6. Check IPDM E/R operation.

BL-75

7. Replace BCM.

BCS-14

Auto door lock operation does not activate properly.
(All other remote keyless entry system function is 
OK.)

1.Check auto door lock operation mode.*
*: Auto door lock operation mode can be changed. 
First check the auto door lock operation setting.

BL-63

2. Replace BCM.

BCS-14

REMOTE KEYLESS ENTRY SYSTEM

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Check Key Fob Battery

AIS002FR

1. 

CHECK KEY FOB BATTERY

1.

Remove key fob battery. Refer to 

BL-80, "Key Fob Battery Replacement"

  .

2.

Check voltage between battery positive and negative terminals, (+) and (

−

).

NOTE:
Key fob does not function if battery is not set correctly.

OK or NG

OK

>> Key fob battery is OK.

NG

>> Replace key fob battery.

Check Key Fob Function

AIS003Y6

1. 

CHECK KEY FOB FUNCTION

 With CONSULT-II

Check key fob function in “DATA MONITOR” mode with CONSULT-II.
When pushing each button of key fob, the corresponding monitor item should be turned as follows.

OK or NG

OK

>> Key fob is OK.

NG

>> Replace key fob and register key fob ID code. Refer to 

BL-77, "ID Code Entry Procedure"

  . 

Keyless power window down (open) operation does 
not activate properly.
(All other remote keyless entry system function is 
OK.)

1. Check power window down operation mode.*
*: Power window down operation mode can be changed. 
First check the power window down setting.

BL-63

2. Check power window function.

GW-18

3. Replace BCM.

BCS-14

Map lamp and ignition keyhole illumination function 
does not activate properly.
(All other remote keyless entry system function is 
OK.)

1. Check room lamp and ignition keyhole illumination function.

BL-76

2. Replace BCM.

BCS-14

Symptom

Diagnoses/service procedure

Reference 

page

Voltage

: 2.5V - 3.0V

SEL237W

Key fob switch condition

Monitor item

Pushing LOCK

LK BUTTON/SIG

: ON

Pushing UNLOCK

UN BUTTON/SIG

: ON

Keep pushing UNLOCK

UN BUTTON ON

: ON*

*: UN BUTTON ON turns to ON 3 seconds 
after UNLOCK button keeps pushing.

Pushing PANIC

PANIC BTN

: ON

Pushing LOCK and UNLOCK at the 
same time

LK/UN BTN ON

: ON

PIIA4975E

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Check ACC Power Supply Circuit

AIS002FS

1. 

CHECK ACC POWER

 With CONSULT-II

Check ACC power (“ACC ON SW”) in “DATA MONITOR” mode with CONSULT-II.

●

When ignition switch is in “ACC” position

●

When ignition switch is in “OFF” position

 Without CONSULT-II

Check voltage between BCM connector and ground.

OK or NG

OK

>> ACC power supply circuit is OK.

NG

>> Check the following.

●

10A fuse [No. 6, located in fuse block (J/B)]

●

Harness for open or short between BCM and fuse.

ACC ON SW

: ON

ACC ON SW

: OFF

PIIA3367E

Terminals (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

Connector

Terminal

(Wire color)

M34

11 (P/B)

Ground

ACC

Battery voltage

OFF

0

PIIA7002E

REMOTE KEYLESS ENTRY SYSTEM

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Check Door Switch

AIS003Y7

CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)

First perform the “SELF-DIAG RESULT” in “BCM” with CONSULT-II. When perform the each trouble diagno-
sis, refer to 

BCS-14, "CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)"

 .

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

Check voltage between BCM and ground.

OK or NG

OK

>> Door switch circuit is OK.

NG

>> GO TO 2.

Monitor item

Condition

DOOR SW-DR

Door is closed

↓

Door is opened

OFF

↓

ON

DOOR SW-AS

DOOR SW-RL

DOOR SW-RR

PIIA6469E

Door switch

Connector

Terminals

(wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

Driver side

M36

62 (SB)

Ground

Door close

↓

Door open

Battery voltage

↓

0

Rear LH

63 (R/W)

Passenger side

M34

12 (R/G)

Rear RH

13 (R/W)

PIIA7003E

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2. 

CHECK DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect door switch and unified BCM connectors.

3.

Check continuity between BCM and door switch.

4.

Check continuity between BCM and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK DOOR SWITCH

Check continuity between door switch terminals 4 and 5.

OK or NG

OK

>> GO TO 4.

NG

>> Replace door switch.

Door switch

Connec-

tor

Terminal

(wire color)

Connec-

tor

Terminal

(wire color)

Continuity

Driver side

M36

62 (SB)

D10

4 (SB)

Yes

Rear LH

63 (R/W)

D56

4 (V)

Passenger side

M34

12 (R/G)

D38

4 (R/G)

Rear RH

13 (R/W)

D76

4 (R/W)

Door switch

Connector

Terminal

(wire color)

Continuity

Driver side

M36

62 (SB)

Ground

No

Rear LH

63 (R/W)

Passenger side

M34

12 (R/G)

Rear RH

13 (R/W)

PIIB0888E

Terminal

Door switch condition

Continuity

4

5

Open position

Yes

Closed position

No

PIIA4314E

REMOTE KEYLESS ENTRY SYSTEM

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4. 

CHECK DOOR SWITCH GROUND HARNESS

Check continuity between door switch connectors D10, D38, D56,
D76 terminal 5 and ground.

OK or NG

OK

>> Replace BCM.

NG

>> Repair or replace harness.

CHECK BACK DOOR SWITCH

1. 

CHECK BACK DOOR SWITCH INPUT SIGNAL

 With CONSULT-II

Check back door switch (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-II.

●

When back door is open

●

When back door is closed

Without CONSULT-II

Check voltage between BCM connector and ground.

*. When interior lamp battery saver control is OFF: Approx. 5V.

OK or NG

OK

>> Back door switch circuit is OK.

NG

>> GO TO 2.

Door switch

Connector

Terminal

Continuity

Driver side

D10

5 (B)

Ground

Yes

Passenger side

D38

Rear RH

D76

Rear LH

D56

5 (G/Y)

PIIA4313E

BACK DOOR SW

: ON

BACK DOOR SW

: OFF

PIIA2488E

Item

Con-

nector

Terminals

(Wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

Back door switch

M36

58 (V/W)

Ground

OPEN

0

CLOSE

Battery voltage*

PIIB0889E

BL-72

REMOTE KEYLESS ENTRY SYSTEM

Revision: 2004 November

2004 Murano

2. 

CHECK BACK DOOR SWITCH HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect BCM and back door switch connectors.

3.

Check continuity between BCM connector M36 terminal 58 and
back door switch connector D100 terminal 1.

4.

Check continuity between BCM connector M36 terminal 58 and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK BACK DOOR SWITCH

Check continuity between back door switch terminals 1 and 3.

OK or NG

OK

>> GO TO 4.

NG

>> Replace back door switch.

4. 

CHECK BACK DOOR SWITCH GROUND HARNESS

Check continuity between back door switch connector D100 terminal 3 and ground.

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace harness.

58 (V/W) – 1 (V/W)

: Continuity should exist.

58 (V/W) – Ground

: Continuity should not exist.

PIIB0890E

Terminal

Back door switch condition

Continuity

1

3

Open position

Yes

Closed position

No

PIIA4316E

3 (B) - Ground

: Continuity should exist.

PIIA2490E