Nissan Cube. Manual - part 104

BRC-66

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1145, C1146 YAW RATE/SIDE G SENSOR

1.

Replace yaw rate/side G sensor. Refer to 

BRC-115, "Exploded View"

.

2.

Erase self-diagnosis results for “ABS” with CONSULT.

3.

Turn the ignition switch OFF. 

4.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

5.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1145” or “C1146” detected?

YES

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

BRC-113, "Exploded View"

.

NO

>> INSPECTION END

Special Repair Requirement

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1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actua-
tor and electric unit (control unit) or steering angle sensor and removing steering angle sensor. Refer to 

BRC-

9, "Special Repair Requirement"

>> END

C1155 BRAKE FLUID LEVEL SWITCH

BRC-67

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

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C1155 BRAKE FLUID LEVEL SWITCH

Description

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The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actu-
ator and electric unit (control unit).

DTC Logic

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DTC DETECTION LOGIC

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

1.

Turn the ignition switch ON.

2.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1155” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-67, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

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1.

CHECK BRAKE FLUID LEVEL

1.

Turn the ignition switch OFF.

2.

Check brake fluid level. Refer to 

BR-10, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refill brake fluid. Refer to 

BR-10, "Refilling"

.

2.

PERFORM SELF-DIAGNOSIS (1)

1.

Erase self-diagnosis result for “ABS” with CONSULT.

2.

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

3.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

4.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1155” detected?

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

CHECK BRAKE FLUID LEVEL SWITCH

Check brake fluids level switch. Refer to 

BRC-69, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace reservoir tank. Refer to 

BR-25, "Exploded View"

. GO TO 4.

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
• Brake fluid level switch
• Combination meter

BRC-68

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1155 BRAKE FLUID LEVEL SWITCH

4.

PERFORM SELF-DIAGNOSIS (2)

1.

Erase self-diagnosis result for “ABS” with CONSULT.

2.

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

3.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

4.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1155” detected?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

CHECK CONNECTOR AND TERMINAL

1.

Turn the ignition switch OFF.

2.

Disconnect brake fluid level switch harness connector.

3.

Check brake fluid level switch harness connector for disconnection or looseness.

4.

Check brake fluid level switch pin terminals for damage or loose connection with harness connector.

5.

Disconnect combination meter harness connector.

6.

Check combination meter harness connector for disconnection or looseness.

7.

Check combination meter pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace error-detected parts. GO TO 6.

6.

PERFORM SELF-DIAGNOSIS (3)

1.

Connect brake fluid level switch harness connector.

2.

Connect combination meter harness connector.

3.

Erase self-diagnosis result for “ABS” with CONSULT.

4.

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

5.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

6.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1155” detected?

YES

>> INSPECTION END

NO

>> GO TO 7.

7.

CHECK BRAKE FLUID LEVEL SWITCH HARNESS

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.

5.

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

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace error-detected parts. GO TO 8.

Brake fluid level switch

Combination meter

Continuity

Connector

Terminal

Connector

Terminal

E37

1

M34

11

Existed

Brake fluid level switch

—

Continuity

Connector

Terminal

E37

1

Ground

Not existed

C1155 BRAKE FLUID LEVEL SWITCH

BRC-69

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

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8.

CHECK BRAKE FLUID LEVEL SWITCH GROUND

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

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair or replace error-detected parts. GO TO 9.

9.

CHECK COMBINATION METER

Check combination meter. Refer to 

MWI-30, "CONSULT Function (METER/M&A)"

.

Is the inspection result normal?

YES

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

BRC-113, "Exploded View"

.

NO

>> Repair or replace combination meter. Refer to 

MWI-93, "Exploded View"

.

Component Inspection

INFOID:0000000009949982

1.

CHECK BRAKE FLUID LEVEL SWITCH

1.

Turn the ignition switch OFF.

2.

Disconnect brake fluid level switch harness connector.

3.

Check continuity between brake fluid level switch harness connector.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace reservoir tank. Refer to 

BR-25, "Exploded View"

.

Special Repair Requirement

INFOID:0000000009949983

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actua-
tor and electric unit (control unit) or steering angle sensor and removing steering angle sensor. Refer to 

BRC-

9, "Special Repair Requirement"

>> END

Brake fluid level switch

—

Continuity

Connector

Terminal

E37

2

Ground

Existed

Brake fluid level switch

Condition

Continuity

Terminal

1 

−

 2

When brake fluid is full in the reservoir tank.

Not existed

When brake fluid is empty in the reservoir tank.

Existed