Nissan Murano Z50 (2003 year). Manual — part 230

LT-168

AUTO LIGHT SYSTEM

Revision; 2004 April

2003 Murano

TKWA0760E

AUTO LIGHT SYSTEM

LT-169

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Terminals and Reference Value for BCM

AKS004JO

NOTE:
Optical sensor must be securely subjected to work lamp light. If the optical sensor is insufficiently illuminated,
the measured value may not satisfy the standard.

Terminal

No.

Wire

color

Signal name

Measuring condition

Reference value

Ignition

switch

Operation or condition

7

W/B

Battery power supply

OFF

—

Battery voltage

8

B

Ground

ON

—

Approx.0

10

R

Passenger side door switch sig-
nal

OFF

Passenger
side door
switch

ON (open)

Approx. 0V

OFF (closed)

Battery voltage

14

SB

Driver side door switch signal

OFF

Driver side
door switch

ON (open)

Approx. 0V

OFF (closed)

Battery voltage

35

R

Ignition switch (ON)

ON

—

Battery voltage

36

P/B

Ignition switch (ACC)

ACC

—

Battery voltage

38

W

Optical sensor signal

ON

When optical sensor is illumi-
nated

3.1V or more

Note

When optical sensor is not illu-
minated

0.6V or less

40

R/B

Combination switch output 2

ON

Lighting, turn, wiper OFF

41

R/G

Combination switch output 3

42

P/L

Combination switch output 4

43

R

Combination switch output 5

45

BR/Y

Optical sensor power supply

ON

—

Approx. 5V

47

R/W

Combination switch output 1

ON

Lighting, turn, wiper OFF

48

L/W

Combination switch input 1

ON

Lighting, turn, wiper OFF

4.5V or more

49

G/B

Combination switch input 2

50

LG/R

Combination switch input 3

51

G/Y

Combination switch input 4

52

LG/B

Combination switch input 5

53

P

Optical sensor ground

ON

—

Approx. 0V

70

L

CAN

−

H

—

—

—

71

Y

CAN

−

L

—

—

—

72

O

K

−

LINE

—

—

—

SKIA1119J

SKIA1119J

LT-170

AUTO LIGHT SYSTEM

Revision; 2004 April

2003 Murano

Terminals and Reference Values for IPDM E/R

AKS004JP

How to Proceed With Trouble Diagnosis

AKS004JQ

1.

Confirm the symptom or customer complaint.

2.

Understand operation description and function description. Refer to

LT-140, "System Description"

.

3.

Carry out the Preliminary Check. Refer to

LT-171, "Preliminary Check"

.

4.

Check symptom and repair or replace the cause of malfunction. Refer to

LT-175, "Trouble Diagnosis Chart

by Symptom"

.

5.

Does the auto light system operate normally? If YES: GO TO 6. If NO: GO TO 4.

6.

INSPECTION END

Terminal

No.

Wire

color

Signal name

Measuring condition

Reference value

Ignition

switch

Operation or condition

14 B

Ground

ON

—

Approx.

0V

21

L

Headlamp low (LH)

ON

Lighting switch
2ND position

OFF

Approx. 0V

ON

Battery voltage

22

G

Headlamp high (LH)

ON

Lighting switch
HIGH or PASS
position

OFF

Approx. 0V

ON

Battery voltage

24

L/W

Headlamp high (RH)

ON

Lighting switch
HIGH or PASS
position

OFF

Approx. 0V

ON

Battery voltage

27

R/Y

Headlamp low (RH)

ON

Lighting switch
2ND position

OFF

Approx. 0V

ON

Battery voltage

37

R/L

Parking, license, and tail
lamp

ON

Lighting switch
1ST position

OFF

Approx. 0V

ON

Battery voltage

45 B

Ground

ON

—

Approx.

0V

48 L

CAN

−

H

—

—

—

49

Y

CAN

−

L

—

—

—

AUTO LIGHT SYSTEM

LT-171

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Preliminary Check

AKS004JR

SETTING CHANGE FUNCTIONS

●

Sensitivity of auto light system can be adjusted using CONSULT-II. Refer to

LT-173, "WORK SUPPORT"

.

CHECK POWER SUPPLY AND GROUND CIRCUIT

1.

CHECK FUSES

●

Check for blown fuses.

Refer to

LT-166, "Wiring Diagram — AUTO/L —"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to

PG-

3, "POWER SUPPLY ROUTING CIRCUIT"

.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect BCM connector.

2.

Check voltage between BCM connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open or short between BCM and fuse.

Unit

Power source

Fuse and fusible link No.

BCM

Battery

F

Ignition switch ON or START position

1

Ignition switch ACC or ON position

6

IPDM E/R

Battery

75

83

84

85

86

Terminals

Ignition switch position

(+)

(-)

OFF

ACC

ON

Connector

Terminal

(Wire color)

E118

7 (W/B)

Ground

Battery
voltage

Battery
voltage

Battery
voltage

M35

35 (R)

0V

0V

Battery
voltage

M35

36 (P/B)

0V

Battery
voltage

Battery
voltage

SKIA3192E

LT-172

AUTO LIGHT SYSTEM

Revision; 2004 April

2003 Murano

3.

CHECK GROUND CIRCUIT

Check continuity between BCM and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Check harness ground circuit.

CONSULT-II Function

AKS004JS

CONSULT-II performs the following functions communicating with BCM.

CONSULT-II BASIC OPERATION

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.

With ignition switch OFF, connect CONSULT-II and CONSULT-II
CONVERTER to data link connector, then turn ignition switch
ON.

2.

Touch “START (NISSAN BASED VHCL)”.

Terminals

Continuity

Connector

Terminal (Wire color)

Ground

Yes

E118

8 (B)

SKIA3193E

BCM diagnosis

part

Check item, diagnosis mode

Description

HEAD LAMP

WORK SUPPORT

Changes the setting for each function.

DATA MONITOR

Displays BCM input data in real time.

ACTIVE TEST

Operation of electrical loads can be checked by sending driving signal to them.

BCM C/U

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

PBIB1300E

SKIA3098E

AUTO LIGHT SYSTEM

LT-173

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3.

Touch “BCM” on “SELECT SYSTEM” screen.
If “BCM” is not indicated, refer to

GI-38, "CONSULT-II Data Link

Connector (DLC) Circuit"

.

4.

Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.

WORK SUPPORT
Operation Procedure

1.

Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.

2.

Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.

3.

Touch “CUSTOM A/LIGHT SETTING” or “ILL DELAY SET” on “SELECT WORK ITEM” screen.

4.

Touch “START”.

5.

Touch “NORMAL” or “MODE 2 - 4” of setting to be changed (CUSTOM A/LIGHT SETTING), Touch
“MODE1–8” of setting to be changed. (ILL DELAY SET)

6.

Touch “SETTING CHANGE”.

7.

The setting will be changed and “CUSTOMIZING COMPLETED” will be displayed.

8.

Touch “END”.

Work Support Setting Item

●

Sensitivity of auto light can be selected and set from four modes.

DATA MONITOR
Operation Procedure

1.

Touch “HEADLAMP” on “SELECT TEST ITEM” screen.

2.

Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.

3.

Touch either “ALL SIGNALS” or “SELECTION FROM MENU”.

4.

Touch “START”.

SKIA6338E

SKIA1922E

Work item

Description

CUSTOM A/LIGHT SETTING

Auto light sensitivity can be changed in this mode. Sensitivity can be adjusted in four modes.

●

MODE 1 (Normal)/ MODE 2 (sensitive)/MODE 3 (Desensitized)/MODE4 (Insensitive)

ILL DELAY SET

Auto light delay off timer period can be changed in this mode. Selects auto light delay off timer
period among eight modes.

●

MODE 1 (45 sec.)/MODE 2 (OFF)/MODE 3 (30 sec.)/MODE 4 (60 sec.)/MODE 5 (90 sec.)/
MODE 6 (120 sec.)/MODE 7 (150 sec.)/MODE 8 (180 sec.)

All signals

Monitors all the signals.

Selection from menu

Selects and monitors individual signal.

LT-174

AUTO LIGHT SYSTEM

Revision; 2004 April

2003 Murano

5.

When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is
selected, all the signals will be monitored.

6.

Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.

Display Item List

ACTIVE TEST
Operation Procedure

1.

Touch “HEADLAMP” on “SELECT TEST ITEM” screen.

2.

Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.

3.

Touch item to be tested and check operation of the selected item.

4.

During the operation check, touching “BACK” deactivates the operation.

Display Item List

Monitor item

Contents

IGN ON SW

“ON/OFF”

Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch sig-
nal.

ACC ON SW

“ON/OFF”

Displays “ACC (ON)/OFF, Ignition OFF (OFF)” status judged from ignition switch signal.

AUTO LIGHT SW

“ON/OFF”

Displays status of the lighting switch as judged from the lighting switch signal. (AUTO posi-
tion: ON/Other than AUTO position: OFF)

TAIL LAMP SW

“ON/OFF”

Displays status (lighting switch 1st position: ON/Others: OFF) of light switch judged from
lighting switch signal.

HEAD LAMP SW 1

“ON/OFF”

Displays status (headlamp switch 1: ON/Others: OFF) of headlamp switch 1 judged from
lighting switch signal.

HI BEAM SW

“ON/OFF”

Displays status (high beam switch: ON/Others: OFF) of high beam switch judged from light-
ing switch signal.

PASSING SW

“ON/OFF”

Displays status (flash-to-pass switch: ON/Others: OFF) of flash-to-pass switch judged from
lighting switch signal.

FR FOG SW

“ON/OFF”

Displays status (front fog lamp switch: ON/Others: OFF) of front fog lamp switch judged from
lighting switch signal.

DOOR SW - DR

“ON/OFF”

Displays status of the driver door as judged from the driver door switch signal. (Door is open:
ON/Door is closed: OFF)

DOOR SW - AS

“ON/OFF”

Displays status of the passenger door as judged from the passenger door switch signal.
(Door is open: ON/Door is closed: OFF)

DOOR SW - RR

“ON/OFF”

Displays status of the rear doors as judged from the rear door switch signal. (Door is open:
ON/Door is closed: OFF)

HEAD LAMP SW 2

“ON/OFF”

Displays status (headlamp switch 2: ON/Others: OFF) of headlamp switch 2 judged from
lighting switch signal.

OPTICAL SENSOR

[0 - 5V]

Displays “ambient light (close to 5V when light/close to 0V when dark)” judged from optical
sensor signal.

Test item

Description

TAIL LAMP

Allows tail lamp relay to operate by switching ON–OFF.

HEAD LAMP (LOW)

Allows headlamp relay to operate by switching ON

−

OFF.

HEAD LAMP (HI)

Allows headlamp relay to operate by switching ON–OFF.

FR FOG LAMP

Allows fog lamp relay to operate by switching ON–OFF.

AUTO LIGHT SYSTEM

LT-175

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Trouble Diagnosis Chart by Symptom

AKS004JT

Lighting Switch Inspection

AKS004JU

1.

CHECK LIGHTING SWITCH INPUT SIGNAL

Select “BCM” in CONSULT-II. Operate lighting switch via “AUTO
LIGHT SW” on data monitor screen, and make sure light turns on
and off as commanded.

OK or NG

OK

>> INSPECTION END

NG

>> Replace lighting switch.

Trouble phenomenon

Malfunction system and reference

●

Parking lamps and headlamps will not illuminate when out-
side of the vehicle becomes dark. (Lighting switch 1st posi-
tion and 2nd position operate normally.)

●

Parking lamps and headlamp will not go out when outside
of the vehicle becomes light. (Lighting switch 1st position
and 2nd position operate normally.)

●

Headlamps go out when outside of the vehicle becomes
light, but parking lamps stay on.

●

Refer to

LT-173, "WORK SUPPORT"

.

●

Refer to

LT-175, "Lighting Switch Inspection"

.

●

Refer to

LT-176, "Optical Sensor System Inspection"

.

If above systems are normal, replace BCM.

Parking lamps illuminate when outside of the vehicle
becomes dark, but headlamps stay off. (Lighting switch 1st
position and 2nd position operate normally.)

●

Refer to

LT-173, "WORK SUPPORT"

.

●

Refer to

LT-176, "Optical Sensor System Inspection"

.

If above systems are normal, replace BCM.

Auto light adjustment system will not operate. (Lighting switch
AUTO, 1st position and 2nd position operate normally.)

●

Refer to

LT-176, "Optical Sensor System Inspection"

.

If above system is normal, replace BCM.

Auto light adjustment system of combination meter will not
operate.

●

CAN communication line inspection between BCM and combina-
tion meter. Refer to

BCS-34, "CAN Communication Inspection

Using CONSULT-II (Self-Diagnosis)"

.

Shut off delay feature will not operate.

●

CAN communication line inspection between BCM and combina-
tion meter. Refer to

BCS-34, "CAN Communication Inspection

Using CONSULT-II (Self-Diagnosis)"

.

●

Refer to

BL-61, "Check Door Switch"

.

If above system is normal, replace BCM.

When lighting switch is AUTO
position

: AUTO LIGHT SW ON

SKIA4196E

LT-176

AUTO LIGHT SYSTEM

Revision; 2004 April

2003 Murano

Optical Sensor System Inspection

AKS004JV

1.

CHECK OPTICAL SENSOR INPUT SIGNAL

Select “BCM” in CONSULT-II. Using “OPTICAL SENSOR” data from
“DATA MONITOR”, check difference in the voltage when the auto
light sensor is illuminated and not illuminated.

CAUTION:

Optical sensor must be securely subjected to work lamp light. If
the optical sensor is insufficiently illuminated, the measured
value may not satisfy the standard.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

2.

CHECK OPTICAL SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and optical sensor connector.

3.

Check continuity (open circuit) between BCM harness connector
M36 terminal 45 (BR/Y) and optical sensor harness connector
M16 terminal 1 (BR/Y).

4.

Check continuity (short circuit) between BCM harness connector
M36 terminal 45 (BR/Y) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3.

CHECK OPTICAL SENSOR POWER SUPPLY CIRCUIT

1.

Check continuity (open circuit) between BCM harness connector
M36 terminal 38 (W) and optical sensor harness connector M16
terminal 2 (W).

2.

Check continuity (short circuit) between BCM harness connector
M36 terminal 38 (W) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

Illuminated

Optical sensor

: 3.1V or more

Not illuminated

Optical sensor

: 0.6V or less

SKIA4197E

Continuity should exist.

Continuity should not exist.

SKIA3891E

Continuity should exist.

Continuity should not exist.

SKIA3892E

AUTO LIGHT SYSTEM

LT-177

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4.

CHECK OPTICAL SENSOR POWER SUPPLY CIRCUIT

1.

Check continuity (open circuit) between BCM harness connector
M37 terminal 53 (P) and optical sensor harness connector M16
terminal 3 (P).

2.

Check continuity (short circuit) between BCM harness connector
M37 terminal 53 (P) and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair harness or connector.

5.

CHECK OPTICAL SENSOR VOLTAGE

1.

Connect BCM connector.

2.

Turn ignition switch ON.

3.

Check voltage between BCM harness connector M36 terminal
45 (BR/Y) and ground.

OK or NG

OK

>> Replace the optical sensor.

NG

>> Replace BCM. Refer to

BCS-36, "Removal and Installa-

tion of BCM"

.

Removal and Installation of Optical Sensor

AKS005LB

1.

Remove instrument mask (LH) assembly. Refer to

IP-11,

"Removal and Installation"

.

2.

While pressing pawl in direction as shown in the figure, remove
the sensor unit from instrument mask.

Continuity should exist.

Continuity should not exist.

SKIA2302E

Approx. 5V should exist.

SKIA3893E

PKIA2517E

LT-178

HEADLAMP AIMING CONTROL

Revision; 2004 April

2003 Murano

HEADLAMP AIMING CONTROL

PFP:26010

Wiring Diagram — H/AIM —

AKS004UC

TKWA0761E

HEADLAMP AIMING CONTROL

LT-179

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TKWA0762E

LT-180

HEADLAMP AIMING CONTROL

Revision; 2004 April

2003 Murano

Removal and Installation

AKS004UD

1.

Remove the side ventilator assembly (LH). Refer to

IP-11,

"Removal and Installation"

in “INSTRUMENT PANEL (IP)” sec-

tion.

2.

Press the headlamp aiming switch fixing pawls and remove the
unit from the side ventilator assembly (LH).

Switch Circuit Inspection (Xenon type)

AKS004UE

Using a circuit tester, check continuity between the headlamp aiming
switch connector terminals in each operation status of the aiming
switch.

PKIA2521E

SKIA4195E

FRONT FOG LAMP

LT-181

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FRONT FOG LAMP

PFP:26150

System Description

AKS005P3

Control of the fog lamps is dependent upon the position of the combination switch (lighting switch). The light-
ing switch must be in the 2ND position or AUTO position (LOW beam is ON) for front fog lamp operation.When
the lighting switch is placed in the fog lamp position the BCM (body control module) receives input signal
requesting the fog lamps to illuminate. When the headlamps are illuminated, this input signal is communicated
to the IPDM E/R (intelligent power distribution module engine room) across the CAN communication lines. The
CPU (central processing unit) of the IPDM E/R controls the front fog lamp relay coil. When activated, this relay
directs power to the front fog lamps.

OUTLINE

Power is supplied at all times

●

through 15A fuse [No. 72, located in IPDM E/R (intelligent power distribution module engine room)]

●

to front fog lamp relay [located in IPDM E/R (intelligent power distribution module engine room)]

●

through 15A fuse [No. 73, located in IPDM E/R (intelligent power distribution module engine room)]

●

to CPU (central processing unit) [located in IPDM E/R (intelligent power distribution module engine
room)].

Power is also supplied at all times

●

through 50A fusible link (letter F, located in fuse and fusible link block)

●

to BCM (body control module) terminal 7

When the ignition switch is in ON or START position, power is supplied

●

through 10A fuse [No. 1, located in fuse block (J/B)]

●

to BCM (body control module) terminal 35

●

through 10A fuse [No. 80, located in IPDM E/R (intelligent power distribution module engine room)]

●

to CPU (central processing unit) [located in IPDM E/R (intelligent power distribution module engine room)]

When the ignition switch is in ACC or ON position, power is supplied

●

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

●

to BCM (body control module) terminal 36

Ground is supplied

●

to BCM (body control module) terminal 8

●

through grounds E13, E26 and E28

●

to IPDM E/R (intelligent power distribution module engine room) terminal 14 and 45

●

through grounds E13, E26 and E28.

FOG LAMP OPERATION

The fog lamp switch is built in the combination switch. The lighting switch must be in the 2ND position or
AUTO position (LOW beam is ON) and the fog lamp switch must be ON for fog lamp operation.
With the fog lamp switch in the ON position, the CPU of the IPDM E/R grounds the coil side of the fog lamp
relay. The fog lamp relay then directs power

●

through IPDM E/R terminal 32

●

to front fog lamp LH terminal 1

●

through IPDM E/R terminal 29

●

to front fog lamp RH terminal 1

Ground is supplied

●

to front fog lamp LH terminal 2

●

through grounds E13, E26 and E28, and

●

to front fog lamp RH terminal 2

●

through grounds E13, E26 and E28.

With power and grounds supplied, the front fog lamps illuminate.

LT-182

FRONT FOG LAMP

Revision; 2004 April

2003 Murano

COMBINATION SWITCH READING FUNCTION

Refer to

LT-251, "Combination Switch Reading Function"

.

EXTERIOR LAMP BATTERY SAVER CONTROL

When the combination switch (lighting switch) is in the 2ND position (ON), the fog lamp switch is ON, and the
ignition switch is turned from ON or ACC to OFF, the battery saver control feature is activated.
Under this condition, the fog lamps (and headlamps) remain illuminated for 5 minutes, then the fog lamps (and
headlamps) are turned off.
Exterior lamp battery saver control mode can be changed by the function setting of CONSULT-II.

CAN Communication System Description

AKS004JX

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.

CAN Communication Unit For 2WD Models

AKS007QT

×

: Applicable

Body type

Wagon

Axle

2WD

Engine

VQ35DE

Transmission

CVT

Brake control

ABS

VDC

Low tire pressure warning
system

×

×

×

×

×

×

×

×

Navigation system

×

×

×

×

×

×

×

×

Automatic drive positioner

×

×

×

×

×

×

×

×

CAN communication unit

ECM

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

TCM

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

Low tire pressure warning
control unit

×

×

×

×

×

×

×

×

Display unit

×

×

×

×

×

×

×

×

Display control unit

×

×

×

×

×

×

×

×

Data link connector

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

BCM

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

Unified meter and A/C amp.

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

Steering angle sensor

×

×

×

×

×

×

×

×

Driver seat control unit

×

×

×

×

×

×

×

×

ABS actuator and electric
unit (control unit)

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

IPDM E/R

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

CAN communication type

LT-183, "TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE

5/TYPE 6/TYPE 7/TYPE 8"

LT-188, "TYPE 9/TYPE10/TYPE 11/TYPE 12/

TYPE 13/TYPE 14/TYPE 15/TYPE 16"

FRONT FOG LAMP

LT-183

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TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/TYPE 6/TYPE 7/TYPE 8
System Diagram

●

Type1

●

Type2

●

Type3

SKIA4902E

SKIA4903E

SKIA4904E