Nissan Versa Note. Manual - part 129

BRC-80

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1144 INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT

C1144 INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT

DTC Logic

INFOID:0000000009637524

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF DIAGNOSTIC RESULT

With CONSULT.

1. Turn ignition switch ON.

2. Perform self diagnostic result.
Is DTC C1144 detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-80, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009637525

1.

ADJUST THE NEUTRAL POSITION OF STEERING ANGLE SENSOR

Perform neutral position adjustment of steering angle sensor. Refer to 

BRC-53, "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-78, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

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

BRC-109, "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

C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR

BRC-81

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR

DTC Logic

INFOID:0000000009637526

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 C1145 or C1146 detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-81, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009637527

1.

REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Replace ABS actuator and electric unit (control unit).

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

BRC-109, "Removal and Installa-

tion"

.

DTC

Display Item

Malfunction detected condition

Possible causes

C1145

YAW RATE SENSOR

• When a malfunction is detected in yaw rate signal.
• When yaw rate signal is not continuously received 

for 2 seconds or more.

• When side G signal is not continuously received for 

2 seconds or more.

• When decel G signal is not continuously received 

for 2 seconds or more.

• Harness or connector
• Yaw rate/side/decel G sensor
• ABS actuator and electric unit 

(control unit)

• Ignition power supply system
• Fuse

C1146

SIDE G-SEN CIRCUIT

When a malfunction is detected in side/decel G sig-
nal.

BRC-82

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1155 BR FLUID LEVEL LOW

C1155 BR FLUID LEVEL LOW

DTC Logic

INFOID:0000000009637528

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSIS RESULTS

Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-82, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009637529

Regarding Wiring Diagram information, refer to 

BRC-43, "Wiring Diagram"

.

NOTE:

Check brake fluid level in brake reservoir tank before starting inspection.

1.

CONNECTOR INSPECTION

1. Turn ignition switch OFF.

2. Disconnect combination meter and brake fluid level switch connectors.

3. Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace as necessary.

2.

CHECK BRAKE FLUID LEVEL SWITCH 

Perform the brake fluid level switch component inspection. Refer to 

BRC-83, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace brake fluid level switch. Refer to 

BRC-9, "Brake Fluid Level Switch"

.

3.

CHECK BRAKE FLUID LEVEL SWITCH HARNESS

1. Check continuity between combination meter connector and brake fluid level switch connector E40 termi-

nal 1.

2. Check continuity between combination meter connector and ground.

DTC

Display item

Malfunction detected condition

Possible cause

C1155

BR FLUID LEVEL LOW

Brake fluid level is low or communication line between 
the ABS actuator and electric unit (control unit) and brake 
fluid level switch is open or shorted.

• Harness or connector
• Brake fluid level switch

Self-diagnosis results

BR FLUID LEVEL LOW

Combination meter

Brake fluid level switch

Continuity

Connector

Terminal

Connector

Continuity

M24

11

E40

1

Yes

C1155 BR FLUID LEVEL LOW

BRC-83

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace malfunctioning components.

4.

CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Check continuity between brake fluid level switch connector E40 terminal 2 and ground.

Is the inspection result normal?

YES

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

BRC-109, "Removal and Installa-

tion"

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000009637530

1.

CHECK BRAKE FLUID LEVEL SWITCH

1. Turn ignition switch OFF.

2. Disconnect brake fluid level switch connector.

3. Check continuity between brake fluid level switch terminals 1 and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace brake fluid level switch. Refer to 

BR-27, "Exploded View"

.

Combination meter

—

Continuity

Connector

Terminal

M24

11

Ground

No

Brake fluid level switch

—

Continuity

Connector

Terminal

E40

2

Ground

Yes

Brake fluid level switch terminals

Condition

Continuity

1— 2

Brake fluid reservoir full

No

Brake fluid reservoir empty

Yes