DTC C1155

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-diagnosis results.

1. Self-diagnostic results
2. BR FLUID LEVEL LOW

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

1. YES: GO TO  2.
2. NO: INSPECTION END

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 Re-perform self-diagnosis.

OK or NG 

1. OK: Connector terminal contact is loose, damaged, open or shorted.
2. NG: GO TO  3.

1. Turn ignition switch OFF and disconnect brake fluid level switch connector and ABS actuator and electric unit (control unit) connector.
2. Check continuity between brake fluid level switch harness connector E52 and ABS actuator and electric unit (control unit) harness connector E56.
   Fig 1: Checking Brake Fluid Level Switch Harness Connector Continuity

   Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Displaying Brake Fluid Level Switch Harness Connector Continuity Specifications

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK: Connect connectors and perform a ABS actuator and electric unit (control unit) self-diagnosis.
2. NG: If open or short in harness, repair or replace applied harness.