Nissan Sentra manuals

Nissan Sentra Service Manual: C1111 PUMP MOTOR

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

C1111 PUMP MOTOR
  • When a malfunction is detected in motor or motor relay.
  • When a low pressure malfunction is detected in accumulator.
  • When a malfunction is detected in accumulator pressure sensor.
  • Harness or connector
  • ABS actuator and electric unit (control unit)
  • Fusible link
  • Battery power supply system
  • Motor/accumulator assembly

DTC CONFIRMATION PROCEDURE

1.CHECK SELF DIAGNOSTIC RESULT

With CONSULT


  1. Turn ignition switch OFF.

  2. Depress brake pedal 20 times or more.

  3. Start the engine and wait for 3 minutes or more.

  4. Perform self diagnostic result.

Is DTC C1111 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-65, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

Regarding Wiring Diagram information, refer to BRC-44, "Wiring Diagram".

1.CONNECTOR INSPECTION

  1. Turn ignition switch OFF.

  2. Disconnect ABS actuator and electric unit (control unit) 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 abs motor and motor relay battery power supply

Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 1 and ground.

Is the inspection result normal?


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 E33 terminals 13, 38 and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".

NO >> Repair or replace malfunctioning components.

1110, C1170 ABS Actuator and electric unit (control unit)
DTC Logic DTC DETECTION LOGIC DTC Display item Malfunction detected condition Possible cause C1110 CONTROLLER FAILURE When there is an internal malfunction in the ABS ...

C1113, C1145, C1146 Yaw rate/side/decel G Sensor
DTC Logic DTC DETECTION LOGIC DTC Display Item Malfunction detected condition Possible causes C1113 G SENSOR When a malfunction is detected in longitunal G sensor s ...

Other materials:

Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat belt pre-tensioner" The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”, used along with a front seat belt, helps to reduce the risk or severity of injur ...

Component parts
Component Parts Location Driver air bag module Front passenger air bag off indicator Front passenger air bag module Front LH side air bag module (RH similar) LH side curtain air bag module (view with headliner removed) (RH similar) Front LH seatbelt pre-tensioner (view wit ...

How to set srt code
Description OUTLINE In order to set all SRTs, the self-diagnoses as in the “SRT ITEM” table must have been performed at least once. Each diagnosis may require actual driving for a long period of time under various conditions. SRT ITEM The table below shows required self-diagnostic ...

© 2014-2025 Copyright www.nisentra.com