Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » A L L Diagnostic Trouble Codes ( DTC ) » Testing and Inspection » C Code Charts » C1111 » TCS/ABS  
 
 
  TCS/ABS  
 

DTC C1111 PUMP MOTOR

Description

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

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.
NO >> Inspection END

Diagnosis Procedure
Inspection PROCEDURE
1.CHECK CONNECTOR

  1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E26, check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
  2. Reconnect connector and perform self-diagnosis. Is the Inspection result normal?

YES >> Inspection end.
NO >> GO TO 2

  1. CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT
  1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E26.

  

  1. Check voltage between the ABS actuator and electric unit (control unit) harness connector E26 terminal 2 and ground.

  

Is the Inspection result normal?
YES >> GO TO 3
NO >>

  • Repair or replace malfunctioning components.
  • Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".
  1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

  

Check continuity between ABS actuator and electric unit (control unit) harness connector E26 terminal 1, 4 and ground.

  

Is the Inspection result normal?
YES >>

Component Inspection
1.CHECK ACTIVE TEST

  1. On "ACTIVE TEST", select "ABS MOTOR".
  2. Touch ON and OFF on screen. Make sure motor relay and actuator relay operates as shown in table below.

  

Is the Inspection result normal?
YES >> Inspection END
NO >> Go to diagnosis procedure.