Nissan Murano Z51. Manual - part 473

DLN-26

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY20A]

AWD LOCK INDICATOR LAMP

AWD LOCK INDICATOR LAMP

Description

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The following is the indications of indicator lamp after the engine start.

AWD LOCK INDICATOR LAMP

Component Function Check

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1.

AWD LOCK INDICATOR LAMP OPERATION CHECK 1

Check that AWD LOCK indicator lamp turns on for approximately 1 second after the ignition switch is turned
ON.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to diagnosis procedure. Refer to 

DLN-22, "Diagnosis Procedure"

.

Diagnosis Procedure

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1.

CHECK AWD WARNING LAMP

Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.

Does AWD warning lamp turn ON?

YES

>> Proceed to 

DLN-24, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

CHECK AWD LOCK SWITCH

Perform the trouble diagnosis for AWD lock switch. Refer to 

DLN-22, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the error-detected parts.

3.

CHECK AWD LOCK INDICATOR LAMP SIGNAL

With CONSULT-III

1.

Start the engine.

CAUTION:

Stop the vehicle.

2.

Change AWD lock switch to “LOCK” from “AUTO”.

3.

Check “4WD MODE MON” of CONSULT-III “DATA MONITOR” for “ALL MODE AWD/4WD”.

Does the item on “DATA MONITOR” indicate “LOCK”?

YES

>> GO TO 4.

NO

>> Replace AWD control unit. Refer to 

DLN-50, "Exploded View"

.

4.

CHECK COMBINATION METER POWER SUPPLY CIRCUIT

Perform the trouble diagnosis for combination meter power supply circuit. Refer to 

MWI-43, "COMBINATION

METER : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace the error-detected parts.

Condition

AWD LOCK indicator lamp

Lamp check

Turns ON for approx. 1 second when ignition switch is turned ON.

AUTO mode

OFF

LOCK mode

ON

AWD CONTROL UNIT

DLN-27

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ECU DIAGNOSIS INFORMATION

AWD CONTROL UNIT

Reference Value

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VALUES ON THE DIAGNOSIS TOOL

Monitor item

Condition

Value/Status

STOP LAMP SW

Brake pedal: Depressed

On

Brake pedal: Released

Off

ENG SPEED SIG

Engine stopped
(Engine speed: Less than 400 rpm)

Stop

Engine running
(Engine speed: 400 rpm or more)

Run

ETS ACTUATOR

Engine stopped (Ignition switch: ON)

Off

Engine running

On

4WD WARN LAMP

AWD warning lamp: ON

On

AWD warning lamp: OFF

Off

4WD MODE SW

Releasing AWD lock switch.

AUTO

AWD lock switch is hold pressed.

LOCK

4WD MODE MON

AWD LOCK indicator lamp: OFF

AUTO

AWD LOCK indicator lamp: ON

Vehicle speed below 10 km/h (6 
mph)

LOCK

Vehicle speed above 10 km/h (6 
mph)

AUTO

DIS-TIRE MONI

Vehicle running with normal size tire installed

0 – 4 mm

Vehicle running with improper size tire installed (Front/rear tire size 
difference, wear condition)

4 – 8 mm, 8 – mm

P BRAKE SW

Parking brake operated

On

Parking brake not operated

Off

BATTERY VOLT

Always

Battery voltage

THRTL POS SEN

When depressing accelerator pedal
(Value rises gradually in response to throttle position.)

0 – 100%

ETS SOLENOID

Engine running
• At idle speed

AWD LOCK indicator lamp: OFF

Approx. 0.000 A

AWD LOCK indicator lamp: ON

Approx. 0.000 A

Engine running
• 3,000 rpm or more constant

AWD LOCK indicator lamp: OFF

Approx. 0.000 – 1.800 A*

AWD LOCK indicator lamp: ON

Approx. 1.800 A

FR RH SENSOR

Vehicle stopped

0.00 km/h (0.00 mph)

Vehicle running

CAUTION:

Check air pressure of tire under standard condition.

Nearly matches the speed meter 
display (

±

10% or less)

FR LH SENSOR

Vehicle stopped

0.00 km/h (0.00 mph)

Vehicle running

CAUTION:

Check air pressure of tire under standard condition.

Nearly matches the speed meter 
display(

±

10% or less)

RR RH SENSOR

Vehicle stopped

0.00 km/h (0.00 mph)

Vehicle running

CAUTION:

Check air pressure of tire under standard condition.

Nearly matches the speed meter 
display(

±

10% or less)

DLN-28

< ECU DIAGNOSIS INFORMATION >

[TRANSFER: TY20A]

AWD CONTROL UNIT

*: The values are changed by throttle opening and engine speed.

TERMINAL LAYOUT

PHYSICAL VALUES

*: The values are changed by throttle opening and engine speed.

CAUTION:

When using circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.

RR LH SENSOR

Vehicle stopped

0.00 km/h (0.00 mph)

Vehicle running

CAUTION:

Check air pressure of tire under standard condition.

Nearly matches the speed meter 
display(

±

10%)

Monitor item

Condition

Value/Status

JSDIA0057ZZ

Terminal No.

(Wire color)

Description

Condition

Value (Approx.)

+

-

Signal name

Input/

Output

1

(LG)

Ground

AWD solenoid power sup-
ply

Output

Engine speed: At idle

AWD LOCK indicator lamp: OFF

0 V

AWD LOCK indicator lamp: ON

0 V

Engine speed: 3,000 
rpm or more constant

AWD LOCK indicator lamp: OFF

2.5 V*

AWD LOCK indicator lamp: ON

8 V

2

(L)

Ground

AWD solenoid ground

—

Engine speed: At idle

0 V

Engine speed: 3,000 rpm or more constant

0 V

7

(R)

Ground

Ignition switch

Input

Ignition switch: ON

Battery voltage

Ignition switch: OFF

0 V

8

(L)

—

CAN-H

Input/

Output

—

—

9

(G)

Ground

Power supply (AWD sole-
noid)

Input

Always

Battery voltage

10

(B)

Ground

Ground

—

Always

0 V

11

(B)

Ground

Ground

—

Always

0 V

14

(Y)

Ground

AWD lock switch

Output

Ignition switch: ON

Releasing AWD lock switch

Battery voltage

AWD lock switch is hold 
pressed.

0 V

16

(P)

—

CAN-L

Input/

Output

—

—

AWD CONTROL UNIT

DLN-29

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Wiring Diagram - AWD SYSTEM -

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JCDWM0487GB