Nissan Murano. Manual - part 444

C1204 AWD SOLENOID

DLN-15

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY20A]

C

E

F

G

H

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J

K

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M

A

B

DLN

N

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2.

Check the continuity between AWD control unit harness connector and the ground.

3.

Check the continuity between AWD solenoid harness connector and the ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK AWD SOLENOID

Check AWD solenoid. Refer to 

DLN-15, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to 

DLN-100,

"Exploded View"

.

5.

CHECK TERMINALS AND HARNESS CONNECTORS

1.

Check AWD control unit pin terminals for damage or loose connection with harness connector.

2.

Check AWD solenoid pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES

>> Replace AWD control unit. Refer to 

DLN-53, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Component Inspection

INFOID:0000000009718087

1.

CHECK AWD SOLENOID

1.

Turn the ignition switch OFF.

2.

Disconnect AWD solenoid harness connector.

3.

Check the resistance between AWD solenoid harness connector terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to 

DLN-100,

"Exploded View"

.

AWD control unit

AWD solenoid

Continuity

Connector

Terminal

Connector

Terminal

M69

1

C1

1

Existed

2

2

AWD control unit

—

Continuity

Connector

Terminal

M69

1

Ground

Not existed

2

AWD solenoid

—

Continuity

Connector

Terminal

C1

1

Ground

Not existed

2

AWD solenoid

 Resistance (Approx.)

Terminal

1

2

2.45 

Ω

DLN-16

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY20A]

C1205 AWD ACTUATOR RELAY

C1205 AWD ACTUATOR RELAY

Description

INFOID:0000000009718088

AWD solenoid is supplied with voltage by the internal circuit of AWD control unit. 

DTC Logic

INFOID:0000000009718089

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ALL MODE AWD/4WD”.

Is DTC “C1205” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

DLN-16, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009718090

1.

CHECK AWD SOLENOID CIRCUIT (1)

1.

Turn the ignition switch OFF.

2.

Disconnect AWD control unit harness connector.

3.

Check the continuity between AWD control unit harness connector and the ground.

Is the inspection result normal?

 YES  >> GO TO 2.
 NO

>> GO TO 3.

2.

CHECK TERMINALS AND HARNESS CONNECTORS

1.

Check AWD control unit pin terminals for damage or loose connection with harness connector.

2.

Check AWD solenoid pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES

>> After connecting each harness connector, perform DTC confirmation procedure again. When DTC

“C1205” is detected, replace AWD control unit. Refer to 

DLN-53, "Exploded View"

.

NO

>> Repair or replace damaged parts.

3.

CHECK AWD SOLENOID

1.

Disconnect AWD solenoid harness connector.

2.

Check the continuity between AWD solenoid harness connector and the ground.

DTC

Display item

Malfunction detected condition

Possible cause

C1205

4WD ACTUATOR RLY

Malfunction has been detected from 
AWD actuator relay integrated with AWD 
control unit, or malfunction related to 
AWD solenoid has been detected.

• Internal malfunction of AWD control 

unit

• Malfunction of AWD solenoid power 

supply circuit (open or short)

AWD control unit

—

Continuity

Connector

Terminal

M69

1

Ground

Not existed

2

C1205 AWD ACTUATOR RELAY

DLN-17

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY20A]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to 

DLN-100,

"Exploded View"

.

4.

CHECK AWD SOLENOID CIRCUIT

Check the continuity between AWD control unit harness connector and the ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK TERMINALS AND HARNESS CONNECTORS

1.

Check AWD control unit pin terminals for damage or loose connection with harness connector.

2.

Check AWD solenoid pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES

>> After connecting each harness connector, perform DTC confirmation procedure again. When DTC

“C1205” is detected, GO TO 1.

NO

>> Repair or replace damaged parts.

AWD solenoid

—

Continuity

Terminal

1

Ground

Not existed

2

AWD control unit

—

Continuity

Connector

Terminal

M69

1

Ground

Not existed

2

DLN-18

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY20A]

C1210 ECM

C1210 ECM

Description

INFOID:0000000009718091

Transmits the following signals via CAN communication to AWD control unit.     
• Accelerator pedal position signal
• Engine speed signal

DTC Logic

INFOID:0000000009718092

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT

1.

Start the engine. Drive the vehicle for a while.

2.

Perform self-diagnosis for “ALL MODE AWD/4WD”.

Is DTC “C1210” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

DLN-18, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009718093

1.

PERFORM ECM SELF-DIAGNOSIS

With CONSULT

Perform self-diagnosis for “ENGINE”.

Is any DTC detected?

YES

>> Check the DTC.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS

With CONSULT

1.

Erase self-diagnostic results for “ALL MODE AWD/4WD”.

2.

Turn the ignition switch OFF.

3.

Start the engine. Drive the vehicle for a while.

4.

Stop the vehicle. Perform self-diagnosis for “ALL MODE AWD/4WD”.

Is DTC “C1210” detected?

YES

>> Replace AWD control unit. Refer to 

DLN-53, "Exploded View"

.

NO

>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If

any items are damaged, repair or replace error-detected parts.

DTC

Display item

Malfunction detected condition

Possible cause

C1210

ENGINE SIGNAL 1

Malfunction related to engine signal has 
been detected.

Malfunction of engine control system