DTC C1155

INSPECTION PROCEDURE

1. CHECK SELF-DIAGNOSTIC RESULTS 
   1. Check fluid level in brake fluid reservoir tank. If the level is low, add brake fluid.
   2. Clear the stored self-diagnostic results and check self-diagnostic results.
      SELF-DIAGNOSTIC RESULTS CHART
      
      

      Self-diagnostic results
      BR FLUID LEVEL LOW

   Is the above displayed in the self-diagnosis display item?

   YES : GO TO 2.

   NO : INSPECTION END

2. CHECK CONNECTOR 
   1. Disconnect brake fluid level switch connector and ABS actuator and electric unit (control unit) connector and check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
   2. Securely reconnect connectors and perform self-diagnosis again.

   OK or NG 

   OK : Connector terminal contact is loose, damaged, open or shorted.

   NG : GO TO 3.

3. CHECK HARNESS BETWEEN BRAKE FLUID LEVEL SWITCH AND ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 
   1. Turn ignition switch OFF and disconnect brake fluid level switch connector E52 and ABS actuator and electric unit (control unit) connector E56.
   2. Check continuity between brake fluid level switch harness connector and ABS actuator and electric unit (control unit) harness connector.
      Fig 1: Checking Continuity Between Brake Fluid Level Switch Harness Connector And ABS Actuator And Electric Unit

      Courtesy of NISSAN MOTOR CO., U.S.A.
      ABS ACTUATOR AND ELECTRIC UNIT VOLTAGE CHART
      
      

      ABS actuator and electric unit (control unit)	Brake fluid level switch	Continuity
      8	1	Yes
      8	Ground	No
      Ground	2	Yes

   OK or NG 

   OK : Connect connectors and perform an ABS actuator and electric unit (control unit) self-diagnosis.

   NG : If open or short in harness, repair or replace applied harness.