Nissan Murano Z50 (2003 year). Manual - part 40

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-163

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●

Type28

●

Type29

●

Type30

SKIA4929E

SKIA4930E

SKIA4931E

BL-164

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Type31

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Type32

SKIA4932E

SKIA4933E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Input/output Signal Chart

T: Transmit   R: Receive

Signals

ECM

TCM

Low 

tire 

pres-

sure 

warn-

ing 

con-

trol 

unit

Dis-
play 

unit

Dis-
play 

con-

trol 

unit

BCM

Uni-

fied 

meter 

and 
A/C 

amp.

Steer

ing 

angle 

sen-

sor

Drive

r seat 

con-

trol 

unit

AWD 

con-

trol 

unit

ABS 

actu-

ator 
and 

elec-

tric 

unit 

(con-

trol 

unit)

IPDM 

E/R

Engine and CVT integrated control 
signal

T

R

R

T

Second position signal 

R

T

VDC operation signal

R

R

T

Stop lamp switch signal

R

T

R

Key switch signal

T

R

Ignition switch signal

T

R

R

P range signal

T

R

R

Closed throttle position signal

T

R 

Wide open throttle position signal

T

R 

Second position indicator signal

T

R

R

Engine speed signal

T

R

R

R

R

R

R

Engine status signal

T

R

Engine coolant temperature signal

T

R

Accelerator pedal position signal 

T

R

R

R

Fuel consumption monitor signal

T

R

CVT self-diagnosis signal

R

T

Input shaft revolution signal

R

T

R

Output shaft revolution signal

R

T

R

Air conditioner switch signal

R

T

A/C compressor request signal

T

R

A/C compressor feedback signal

T

R

T

Blower fan motor switch signal

R

T

A/C control signal

T

T

R

R

R

T

Cooling fan speed request signal

T

R

Position lights request signal

T

R

R

Low beam request signal

T

R

Low beam status signal

R

T

High beam request signal

T

R

R

High beam status signal

R

T

Front fog lights request signal

T

R

Vehicle speed signal

R

R

R

T

R

R

R

R

T

R

Sleep request 1 signal

T

R

Sleep request 2 signal

T

R

BL-166

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Door switch signal

R

T

R

R

T

R

R

R

Turn indicator signal

T

R

Key fob ID signal

T

R

Key fob door unlock signal

T

R

Seat belt buckle switch signal

R

T

Oil pressure switch signal

R

T

T

R

Buzzer output signal

T

R

Fuel level sensor signal

R

T

Fuel level low warning signal

R

R

T

Malfunction indicator signal

T

R

ASCD SET lamp signal

T

R

ASCD CRUISE lamp signal

T

R

Front wiper request signal

T

R

Front wiper stop position signal

R

T

Rear window defogger switch signal

T

R

Rear window defogger control signal

R

R

R

T

Hood switch signal

R

T

Theft warning horn request signal

T

R

Horn chirp signal

T

R

Steering angle sensor signal

T

R

Tire pressure signal

T

R

Tire pressure data signal

T

R

R

CVT position indicator signal

T

R

R

ABS warning lamp signal

R

T

VDC OFF indicator lamp signal

R

T

SLIP indicator lamp signal

R

T

Brake warning lamp signal

R

T

System setting signal

T

T

R

AWD warning lamp signal

R

T

AWD lock indicator lamp signal

R

T

AWD lock switch signal

T

R

Parking brake switch signal

R

T

R

Signals

ECM

TCM

Low 

tire 

pres-

sure 

warn-

ing 

con-

trol 

unit

Dis-
play 

unit

Dis-
play 

con-

trol 

unit

BCM

Uni-

fied 

meter 

and 
A/C 

amp.

Steer

ing 

angle 

sen-

sor

Drive

r seat 

con-

trol 

unit

AWD 

con-

trol 

unit

ABS 

actu-

ator 
and 

elec-

tric 

unit 

(con-

trol 

unit)

IPDM 

E/R

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Schematic

AIS001VR

TIWA0277E

BL-168

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Wiring Diagram -VEHSEC-

AIS001VS

FIG. 1

TIWA0278E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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FIG. 2

TIWA0361E

BL-170

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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FIG. 3

TIWA0280E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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FIG. 4

TIWA0281E

BL-172

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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FIG. 5

TIWA0282E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Terminals and Reference Value for BCM

AIS001VT

*: Without navigation system.

Terminals and Reference Value for IPDM E/R

AIS001VU

TERMINAL 

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE

7

W/B

Power source (Fusible link)

—

Battery voltage

8

B

Ground

—

0V

10

R

Passenger door switch

ON (Open) 

→

 OFF (Closed)

0V 

→

 Battery voltage

14

SB

Driver door switch

ON (Open) 

→

 OFF (Closed)

0V 

→

 Battery voltage

18

V/W

Back door switch

ON (Open) 

→

 OFF (Closed)

0V 

→

 Battery voltage

36

P/B

ACC power supply
(ACC or ON)

Ignition switch (ACC position)

Battery voltage

55

G/O

Combination meter (security 
indicator lamp)

Goes off 

→

 Illuminates

Battery voltage 

→

 0V

70

L

CAN-H

—

—

71

Y

CAN-L

—

—

72

O

Data link connector

—

—

74

BR/W

Power window switch
(Serial link)

Ignition switch is ON or power win-
dow retained power operation is 
activated.

PIIA2344J

TERMINAL 

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE

14

B

Ground

—

0V

45

B

Ground

—

0V

48

L

CAN-H

—

—

49

Y

CAN-L

—

—

51

Y/B

Hood switch

ON (Open) 

→

 OFF (closed)

0V 

→

 Battery voltage

53

G/O

Horn relay

ON 

→

 OFF

0V 

→

 Battery voltage

BL-174

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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CONSULT-II Function

AIS001VV

CONSULT-II INSPECTION PROCEDURE

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 carry out CAN communication.

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-38, "CONSULT-II Data Link

Connector (DLC) Circuit"

 .

6.

Touch “THEFT ALM”.

7.

Select diagnosis mode.

PIIA1095E

MBIB0233E

LIIA0033E

LIIA0034E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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“DATA MONITOR”, “ACTIVE TEST” AND “WORK SUPPORT”

CONSULT-II APPLICATION ITEM
Data Monitor

Active Test

Work Support

SEL274W

Monitored Item

Description

IGN ON SW

Indicates [ON/OFF] condition of ignition switch.

ACC ON SW

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

KEY CYL LK SW

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

KEY CYL UN SW

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

DOOR SW-DR

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

DOOR SW-AS

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

DOOR SW-RR

Indicates [ON/OFF] condition of rear door switches.

TRUNK OPNR SW

This is displayed even when it is not equipped.

TRUNK OPN MNTR

This is displayed even when it is not equipped.

HOOD SW

Indicates [ON/OFF] condition of hood switch.

LOCK SW DR/AS

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

UNLK SW DR/AS

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

LK BUTTON/SIG

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

UN BUTTON/SIG

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

TRUNK BTN/SIG

This is displayed even when it is not equipped.

BACK DOOR SW

Indicates [ON/OFF] condition of back door switch.

Test Item

Description

THEFT IND

This test is able to check security indicator lamp operation. The lamp will be turned on when “ON” 
on CONSULT-II screen is touched.

HEADLAMP

This test is able to check vehicle security lamp operation. The headlamps will be activated for 0.5 
seconds after “ON” on CONSULT-II screen is touched.

HORN

This test is able to check vehicle security horn operation. The horns will be activated for 0.5 sec-
onds after “ON” on CONSULT-II screen is touched.

Test Item

Description

SECURITY ALARM SET

This mode is able to confirm and change security alarm ON-OFF setting.

THEFT ALM TRG

The switch which triggered vehicle security alarm is recorded. This mode is able to confirm and 
erase the record of vehicle security alarm. The trigger data can be erased by touching “CLEAR” 
on CONSULT-II screen.

BL-176

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Trouble Diagnosis

AIS001VW

WORK FLOW

●

“POWER DOOR LOCK SYSTEM” Diagnosis; refer to 

BL-56, "Work Flow"

 .

●

“REMOTE CONTROL SYSTEM” Diagnosis; refer to

BL-111, "Work Flow"

 .

LIIA0123E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Preliminary Check

AIS001VX

The system operation is canceled by turning ignition switch to “ACC” at any step between START and ARMED
in the following flow chart.

After performing preliminary check, go to symptom chart. Refer to 

BL-178, "Symptom Chart"

 .

PIIA2494E

BL-178

VEHICLE SECURITY (THEFT WARNING) SYSTEM

Revision; 2004 April

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Symptom Chart

AIS001VY

*1: Make sure the system is in the armed phase.

PROCEDURE

Diagnostic procedure

Reference 

page

SYMPTOM

1

Vehicle security 
system cannot be 
set by ····

Door switch

Diagnostic Procedure 1 (Check door, hood and back door switch)

BL-179

Lock/unlock switch

Diagnostic Procedure 6 (Check door lock/unlock switch)

BL-186

Door outside key

Diagnostic Procedure 3 (Check door key cylinder switch)

BL-186

Key fob

Check remote keyless entry.

BL-111

—

If the above systems are “OK”, replace BCM.

BCS-36

Security indicator does not turn “ON”.

Diagnostic Procedure 2 (Check security indicator lamp)

BL-185

If the above systems are “OK”, replace BCM.

BCS-36

2

*1 Vehicle secu-
rity system does 
not alarm when 
····

Any door is opened.

Diagnostic Procedure 1 (Check door, hood and back door switch)

BL-179

If the above systems are “OK”, replace BCM.

BCS-36

3

Vehicle security 
alarm does not 
activate.

Horn alarm

Diagnostic Procedure 4 (Check vehicle security horn alarm)

BL-186

Check horn function. 

WW-73

If the above systems are “OK”, replace BCM.

BCS-36

Headlamp alarm

Diagnostic Procedure 5 (Check vehicle security headlamp alarm)

BL-186

If the above systems are “OK”, replace BCM.

BCS-36

4

Vehicle security 
system cannot be 
canceled by ····

Door outside key

Diagnostic Procedure 3 (Check door key cylinder switch)

BL-186

If the above systems are “OK”, check power window main switch.

GW-30

Key fob

Check remote keyless entry function.

BL-111

If the above systems are “OK”, replace BCM.

BCS-36