Nissan Sentra manuals

Nissan Sentra Service Manual: C1140 Actuator relay system

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

C1140

ACTUATOR RLY

When a malfunction is detected in actuator relay.

  • Harness or connector

  • ABS actuator and electric unit (control unit)

  • Fusible link

  • Battery power supply system

DTC CONFIRMATION PROCEDURE

1.CHECK SELF DIAGNOSTIC RESULT

With CONSULT


  1. Turn ignition switch ON.
  2. Perform self diagnostic result.

Is DTC C1140 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-77, "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) connector.

  3. Check connector 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 Actuator and electric unit (control unit) battery power supply

Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 25 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.

C1130 Engine signal
DTC Logic DTC DETECTION LOGIC DTC Display Item Malfunction detected condition Possible causes C1130 ENGINE SIGNAL 1 When a malfunction is detected in ECM system. ...

C1142 Press sensor
DTC Logic DTC DETECTION LOGIC DTC Display Item Malfunction detected condition Possible causes C1142 PRESS SEN CIRCUIT When a malfunction is detected in master cylinde ...

Other materials:

Compression pressure
Inspection Warm up the engine to full operating temperature. Release fuel pressure. Refer to EC-143, "Work Procedure". Remove ignition coil and spark plug from each cylinder. Refer to EM-46, "Exploded View". Connect engine tachometer (not required in use of CONSULT). ...

Vehicle loading information
WARNING It is extremely dangerous to ride in a cargo area inside a vehicle. In a collision, people riding in these areas are more likely to be seriously injured or killed. Do not allow people to ride in any area of your vehicle that is not equipped with seats a ...

Rear seat
Exploded View Rear seatback assembly (rh) Seatback striker Seatback latch release knob Seatback latch assembly Seatback silencer (RH) Rear seatback frame (rh) Seatback latch release knob finisher Rear seat bolster trim (RH) Rear seat bolster pad (RH) Rear seat bolster (rh) ...

В© 2014-2025 Copyright www.nisentra.com