Nissan Maxima. Manual - part 253

C1109 BATTERY VOLTAGE [ABNORMAL]

BRC-33

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

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4. Turn ignition switch OFF.

5. Check continuity between ABS actuator and electric unit (control

unit) connector E26 terminals 1, 4 and ground.

Is the inspection result normal?

YES

>> Check battery for terminal looseness, low voltage, etc. If any malfunction is found, repair malfunc-

tioning parts.

NO

>> Repair or replace malfunctioning components.

Special Repair Requirement

INFOID:0000000010049051

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). Refer to 

BRC-6, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-

TRAL POSITION : Special Repair Requirement"

.

>> END

ABS actuator and electric unit (control 

unit)

Ground

Continuity

Connector

Terminal

E26

1

—

Yes

4

ALFIA0007ZZ

BRC-34

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1110, C1153, C1170 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

C1110, C1153, C1170 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)

DTC Logic

INFOID:0000000010049052

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-34, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010049053

1.

REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

CAUTION:

Replace ABS actuator and electric unit (control unit) when self-diagnostic result shows items other

than that applicable.

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

Special Repair Requirement

INFOID:0000000010049054

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). Refer to 

BRC-6, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-

TRAL POSITION : Special Repair Requirement"

.

>> END

DTC

Display item

Malfunction detected condition

Possible cause

C1110

CONTROLLER FAILURE

When there is an internal malfunction in the ABS actuator 
and electric unit (control unit).

• ABS actuator and electric unit 

(control unit)

C1153

EMERGENCY BRAKE

When ABS actuator and electric unit (control unit) is mal-
functioning. (Pressure increase is too much or too little)

C1170

VARIANT CODING

In a case where VARIANT CODING is different.

Self-diagnosis results

CONTROLLER FAILURE

EMERGENCY BRAKE

VARIANT CODING

C1111 PUMP MOTOR

BRC-35

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

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C1111 PUMP MOTOR

Description

INFOID:0000000010049055

PUMP

The pump returns the brake fluid stored in the reservoir to the master cylinder by reducing the pressure. 

MOTOR

The motor drives the pump according to the signals transmitted by the ABS actuator and electric unit (control

unit). 

DTC Logic

INFOID:0000000010049056

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-35, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010049057

Regarding Wiring Diagram information, refer to 

BRC-83, "Wiring Diagram"

.

1.

CONNECTOR INSPECTION

1. Turn ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) connector.

3. Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair

or replace terminals.

4. Reconnect connector and perform self-diagnosis. Refer to 

BRC-21, "CONSULT Function (ABS)"

.

Is any item indicated on the self-diagnosis display?

YES

>> GO TO 2

NO

>> Poor connection of connector terminals. Repair or replace connector.

2.

CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT

DTC

Display item

Malfunction detected condition

Possible cause

C1111

PUMP MOTOR

During actuator motor ON, when the actuator motor turns 
OFF, or when the control line for actuator motor relay is 
open.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

During actuator motor OFF, when the actuator motor 
turns ON, or when the control line for relay is shorted to 
ground.

Self-diagnosis results

PUMP MOTOR

BRC-36

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1111 PUMP MOTOR

1. Turn ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) connec-

tor.

3. Check voltage between ABS actuator and electric unit (control

unit) connector E26 terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace malfunctioning components.

3.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control

unit) connector E26 terminals 1, 4 and ground.

Is the inspection result normal?

YES

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

Refer to 

BRC-106, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000010049058

1.

CHECK ACTIVE TEST

1. On “ACTIVE TEST”, select “ABS MOTOR”.

2. Touch “On” and “Off” on screen. Make sure motor relay, actuator relay, V/R output and M/R output operate

as shown in table below.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Go to diagnosis procedure. Refer to 

BRC-35, "Diagnosis Procedure"

.

Special Repair Requirement

INFOID:0000000010049059

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). Refer to 

BRC-6, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-

TRAL POSITION : Special Repair Requirement"

.

>> END

ABS actuator and electric unit (control 

unit)

Ground

Voltage

(Approx.)

Connector

Terminal

E26

2

—

Battery voltage

WFIA0501E

ABS actuator and electric unit (control 

unit)

Ground

Continuity

Connector

Terminal

E26

1

—

Yes

4

ALFIA0007ZZ

Operation

On

Off

MOTOR RELAY

On

Off

ACTUATOR RLY

On

On

V/R OUTPUT

On

On

M/R OUTPUT

On

Off