Nissan Qashqai J11. Manual - part 780

DLN-36

< BASIC INSPECTION >

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ADDITIONAL SERVICE WHEN REPLACING 4WD CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING 4WD CONTROL UNIT

Description

INFOID:0000000010755249

When replacing 4WD control unit, unit characteristics writing is required.

Work Procedure

INFOID:0000000010755250

1.

PERFORM WRITING UNIT CHARACTERISTICS

Perform writing unit characteristics of electric controlled coupling.

>> Refer to 

DLN-37, "Work Procedure"

.

UNIT CHARACTERISTICS WRITING

DLN-37

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UNIT CHARACTERISTICS WRITING

Description

INFOID:0000000010755251

When replacing 4WD control unit, rear final drive assembly and/or electric controlled coupling, unit character-
istics of electric controlled coupling writing is required.

Work Procedure

INFOID:0000000010755252

1.

UNIT CHARACTERISTICS WRITING

 With CONSULT

1.

Confirm the unit characteristics of electric controlled coupling.
NOTE:
Unit characteristics is 12-digit alphanumeric.

2.

Turn the ignition switch OFF to ON.

3.

Select “UNIT CHARACTERISTICS WRITE” in “WORK SUP-
PORT” for “ALL MODE AWD/4WD”.

4.

Input unit characteristics.

5.

Select “Start”.

6.

Check that “UNIT CHARACTERISTICS WRITE COMPLETED”
is displayed.

>> WORK END

JSDIA5446ZZ

DLN-38

< DTC/CIRCUIT DIAGNOSIS >

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C1201 4WD CONTROL UNIT

DTC/CIRCUIT DIAGNOSIS

C1201 4WD CONTROL UNIT

DTC Description

INFOID:0000000010755253

DTC DETECTION LOGIC

POSSIBLE CAUSE

Internal malfunction of 4WD control unit

FAIL-SAFE

4WD control changes to front-wheel drive immediately, then 4WD control stops, and the vehicle becomes
front-wheel drive.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

With CONSULT

1.

Turn the ignition switch OFF to ON.

2.

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

Is DTC “C1201” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

DLN-38, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010755254

1.

PERFORM SELF-DIAGNOSIS

 With CONSULT

1.

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

2.

Turn the ignition switch OFF, and then wait 10 seconds or more.

3.

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

Is DTC “C1201” detected?

YES

>> Replace 4WD control unit. Refer to 

DLN-72, "Removal and Installation"

.

NO

>> Check 4WD control unit pin terminals for damage or loose connection with harness connector. If

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

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

C1201

CONTROLLER FAILURE
(Control unit failure)

Malfunction has occurred inside 4WD control unit.

C1203 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

DLN-39

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C1203 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

DTC Description

INFOID:0000000010755255

DTC DETECTION LOGIC

POSSIBLE CAUSE

ABS malfunction
• Vehicle speed signal error

FAIL-SAFE

4WD control changes to front-wheel drive gradually (rear-wheels still have some driving torque), then 4WD
control stops, and the vehicle becomes front-wheel drive.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

With CONSULT

1.

Drive at 30 km/h (19 MPH) or more for approximately 1 minute.

2.

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

Is DTC “C1203” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

DLN-39, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010755256

1.

PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

With CONSULT

Perform self-diagnosis for “ABS”.

Is any DTC detected?

YES

>> Check the DTC. Refer to 

BRC-53, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK TERMINALS AND HARNESS CONNECTORS

Check 4WD control unit pin terminals for damage or loose connection with harness connector.

Is inspection result normal?

YES

>> After turning the ignition switch OFF, perform DTC confirmation procedure again. If DTC “C1203”

is detected, Replace 4WD control unit. Refer to 

DLN-72, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

C1203

ABS SYSTEM
(ABS system)

Malfunction related to wheel sensor has been detected by 
ABS actuator and electric unit (control unit).