Nissan Qashqai J11. Manual — part 780
DLN-36
< BASIC INSPECTION >
[TRANSFER: TY21C]
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
UNIT CHARACTERISTICS WRITING
DLN-37
< BASIC INSPECTION >
[TRANSFER: TY21C]
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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 >
[TRANSFER: TY21C]
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
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
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
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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
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
.
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).
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