Nissan Qashqai J11. Manual - part 966

C1144 INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT

BRC-101

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

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C1144 INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT

DTC Logic

INFOID:0000000010329839

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

1.

Turn ignition switch OFF to ON.

2.

Perform self-diagnostic result.

Is DTC C1144 detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-101, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010329840

1.

ADJUST THE NEUTRAL POSITION OF STEERING ANGLE SENSOR

Perform neutral position adjustment of steering angle sensor. Refer to 

BRC-64, "Work Procedure"

.

>> GO TO 2.

2.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

Perform self-diagnostic result.

Is DTC C1144 detected?

YES

>> GO TO 3.

NO

>> Inspection End.

3.

CHECK STEERING ANGLE SENSOR SYSTEM

Check steering angle sensor system. Refer to 

BRC-99, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-142, "Removal and Installa-

tion"

.

NO

>> Repair or replace malfunctioning components.

DTC

Display Item

Malfunction detected condition

Possible causes

C1144

ST ANG SEN SIGNAL

When neutral position adjustment of steering angle 
sensor is not complete.

• Harness or connector
• Steering angle sensor
• ABS actuator and electric unit 

(control unit)

• Incomplete neutral position ad-

justment of steering angle sen-
sor

BRC-102

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

C1154 PNP SWITCH

C1154 PNP SWITCH

DTC Logic

INFOID:0000000010769760

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

1.

Perform self-diagnostic result for USM.

Is DTC C1154 detected?

YES

>> Check Neutral Gear position switch or Reverse Gear position switch and USM system. Then GO

TO 2.

NO

>> Inspection end.

2.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

1.

Perform self-diagnostic result for USM.

Is any DTC detected?

YES

>> Refer to 

TM-485, "DTC Index"

.

NO

>> Perform more detailed analysis of Neutral Gear positionswitch or Reverse Gear position switch

and USM system.

DTC

Display Item

Malfunction detected condition

Possible causes

C1154

PNP POSI SIG
[ABNORMAL SIGNAL]

When a malfunction is detected with the neutral gear 
position switch or reverse switch position signal from 
the USM controller over CAN.

• Harness or connector
• USM  control  unit

C1155 BRAKE FLUID LEVEL SWITCH

BRC-103

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

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C1155 BRAKE FLUID LEVEL SWITCH

DTC Logic

INFOID:0000000010329841

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

1.

Turn ignition switch OFF to ON and wait 1 minute or more.

2.

Perform self-diagnostic result.

Is DTC C1155 detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-103, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010329842

Regarding Wiring Diagram information, refer to 

BRC-55, "Wiring Diagram"

.

1.

CHECK BRAKE FLUID LEVEL

1.

Turn the ignition switch OFF.

2.

Check brake fluid level. Refer to 

BR-11, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refill brake fluid. Refer to 

BR-11, "Draining"

 and 

BR-11, "Refilling"

.

2.

CONNECTOR INSPECTION

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector M52 and brake fluid level switch connector E6.

3.

Check connectors and terminals for deformation, disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace as necessary.

3.

CHECK BRAKE FLUID LEVEL SWITCH

Check brake fluid level switch. Refer to 

BRC-104, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace reservoir tank. Refer to 

BR-25, "Exploded View"

.

4.

CHECK BRAKE FLUID LEVEL SWITCH CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect brake fluid level switch harness connector.

3.

Disconnect combination meter harness connector.

4.

Check continuity between brake fluid level switch harness connector and combination meter harness con-
nector.

DTC

Display Item

Malfunction detected condition

Possible causes

C1155

BR FLUID LEVEL LOW

When brake fluid level low signal is detected.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

• Brake fluid level switch
• Combination meter

BRC-104

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

C1155 BRAKE FLUID LEVEL SWITCH

5.

Check continuity between brake fluid level switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace malfunctioning components.

5.

CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Check continuity between brake fluid level switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace malfunctioning components.

6.

CHECK COMBINATION METER

Check if indication and operation of combination meter are normal. Refer to 

MWI-9, "METER SYSTEM : Sys-

tem Description"

.

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-142, "Removal and Installa-

tion"

.

NO

>> Replace combination meter. Refer to 

MWI-80, "Removal and Installation"

.

Component Inspection

INFOID:0000000010329843

1.

CHECK BRAKE FLUID LEVEL SWITCH

1.

Turn the ignition switch OFF.

2.

Disconnect brake fluid level switch harness connector.

3.

Check continuity between terminals of brake fluid level switch.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace reservoir tank. Refer to 

BR-25, "Exploded View"

.

Brake fluid level switch

Combination meter

Continuity

Connector

Terminal

Connector

Terminal

E6

1

M52

25

Yes

Brake fluid level switch

—

Continuity

Connector

Terminal

E6

1

Ground

No

Brake fluid level switch

—

Continuity

Connector

Terminal

E6

2

Ground

Yes

Brake fluid level switch

Condition

Continuity

Terminal

1 – 2

When brake fluid level in reservoir tank is within the specified level.

No

When brake fluid level in reservoir tank is less than the specified 
level.

Yes