Nissan Qashqai J11. Manual - part 799

 

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Nissan Qashqai J11. Manual - part 799

 

 

DLN-112

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY30A]

C1203 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

C1203 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Description

INFOID:0000000010288271

Transmits the following signals via CAN communication to AWD control unit.
• Vehicle speed signal
• Stop lamp switch signal (brake signal)

DTC Logic

INFOID:0000000010288272

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT

1.

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

2.

Perform AWD control unit self-diagnosis.

Is DTC “C1203” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

DLN-112, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010288273

1.

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

With CONSULT

Perform ABS actuator and electric unit (control unit) self-diagnosis.

Is any error system detected?

YES

>> Check the error system.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS

With CONSULT

1.

Erase AWD control unit self-diagnosis results.

2.

Start engine and drive vehicle at 30 km/h (19 MPH) for at least 1 minute.

3.

Make sure that ABS warning lamp turns OFF.

4.

Perform AWDAWD control unit self-diagnosis.

Is DTC “C1203” detected?

YES

>> Replace AWD control unit. Refer to 

DLN-153, "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 damaged parts.

DTC

Items

(CONSULT screen terms)

Diagnostic item is detected when...

Possible cause

C1203

ABS SYSTEM

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

ABS malfunction
• Vehicle speed signal error
• Stop lamp switch signal (brake signal) 

error

C1204 AWD SOLENOID

DLN-113

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY30A]

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C1204 AWD SOLENOID

Description

INFOID:0000000010288274

Controls electric controlled coupling by command current from AWD control unit.

DTC Logic

INFOID:0000000010288275

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT

1.

Turn the ignition switch OFF to ON.

2.

Perform AWD control unit self-diagnosis.

Is DTC “C1204” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

DLN-113, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010288276

1.

CHECK AWD SOLENOID POWER SUPPLY

1.

Turn the ignition switch OFF.

2.

Disconnect AWD control unit harness connector.

3.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

4.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>>

Check the following. If any items are damaged, repair or replace damaged parts.

• 10A fuse (#28) open
- Short among 10A fuse (#28) connector, AWD control unit harness connector No. 9 terminal and

the ground

- Open between the battery and AWD control unit harness connector No. 9 terminal

2.

CHECK AWD SOLENOID GROUND

1.

Turn the ignition switch OFF.

2.

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

Is the inspection result normal?

YES

>> GO TO 3.

DTC

Items

(CONSULT screen terms)

Diagnostic item is detected when...

Possible cause

C1204

AWDAWD SOLENOID

Malfunction related to AWD solenoid has 
been detected.

Internal malfunction of electronic con-
trolled coupling

AWD control unit

Ground

Voltage (Approx.)

Connector

Terminal

B1

9

Ground

Battery voltage

AWD control unit

Ground

Continuity

Connector

Terminal

B1

10

Ground

Existed

11

DLN-114

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY30A]

C1204 AWD SOLENOID

NO

>> Repair or replace damaged parts.

3.

CHECK AWD SOLENOID CIRCUIT (1)

Check the resistance between AWD control unit harness connector terminals.

Is the inspection result normal?

 YES  >> GO TO 5.
 NO

>> GO TO 4.

4.

CHECK AWD SOLENOID CIRCUIT (2)

1.

Disconnect AWD solenoid harness connector.

2.

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

3.

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 AWDAWD SOLENOID

Check the resistance between AWD solenoid harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 6.

NO

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

DLN-209,

"Exploded View"

.

6.

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

>> GO TO 7.

NO

>> Repair or replace damaged parts.

7.

CHECK AWD CONTROL UNIT OUTPUT VOLTAGE

1.

Connect AWD control unit harness connector.

2.

Check voltage between AWD control unit and ground.

AWD control unit

 Resistance (Approx.)

Connector

Terminal

B1

1

2

2.45 

AWD control unit

AWD solenoid

Continuity

Connector

Terminal

Connector

Terminal

B1

1

C1

2

Existed

2

1

AWD control unit

Ground

Continuity

Connector

Terminal

B1

1

Ground

Not existed

2

AWD solenoid

 Resistance (Approx.)

Connector

Terminal

C1

2

1

2.45 

C1204 AWD SOLENOID

DLN-115

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY30A]

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Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace AWD control unit.

8.

CHECK AWD CONTROL UNIT GROUND CIRCUIT

Check continuity between AWD control unit and ground.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Replace AWD control  unit.

Component Inspection

INFOID:0000000010288277

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-209,

"Exploded View"

.

AWD control unit

Ground

Condition

Voltage (Approx.)

Connector

Terminal

B1

1

Ground

Engine speed: 3,000 rpm or more constant

Lock indicator lamp: ON

8 V

AWD control unit

Ground

Continuity

Connector

Terminal

B1

2

Ground

Existed

AWD solenoid

 Resistance (Approx.)

Connector

Terminal

C1

2

1

2.45 

 

 

 

 

 

 

 

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