Inspection Procedure

1. Check the brake reservoir tank fluid level. If the level is low, add brake fluid.
2. Erase the self-diagnosis results and check the self-diagnosis results.

Fig 1: Checking Self-Diagnosis Result - Brake Fluid Level Sensor System

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

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

YES >> GO TO 2.

NO >> Inspection End

1. Disconnect the brake fluid level sensor connector and VDC/TCS/ABS control unit connector and check the terminal for deformation, disconnection, looseness, and so on. If there is any non-standard condition, repair or replace the terminal.
2. Securely reconnect the connectors and re-conduct self-diagnosis.

OK or NG 

OK >> The connector terminal contact is loose, damaged, open or shorted.

NG >> GO TO 3.

1. Turn off the ignition switch and disconnect the brake fluid level sensor connector, VDC/TCS/ABS control unit, connectors.
2. Check the continuity between the brake fluid level sensor harness connector E73 and the VDC/TCS/ABS control unit connector E218.

Fig 2: Checking Harness Between Brake Fluid Level Sensor And VDC/TCS/ABS Control Unit (1 Of 2)

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

Fig 3: Checking Harness Between Brake Fluid Level Sensor And VDC/TCS/ABS Control Unit (2 Of 2)

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

OK or NG 

OK >> Connect the connectors and conduct a VDC/TCS/ABS control unit self- diagnosis.

NG >> If the open or short in harness, repair or replace the harness.