Inspection Procedure

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
SELF-DIAGNOSTIC RESULTS

Self-diagnostic results

BR FLUID LEVEL LOW

Is above displayed in the self-diagnosis item?
1. YES: Check pad for wear. Check brake fluid for leakage.
2. NO: GO TO 2.
CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect brake fluid level switch connector and VDC/TCS/ABS control unit connector.
2. Reconnect connectors securely, then perform VDC/TCS/ABS control unit self-diagnosis again.
Does anything appear on self-diagnostic results display?
1. YES: GO TO 3.
2. NO: Poor connector connections. Repair or replace connectors.

Self-diagnostic results
BR FLUID LEVEL LOW

CHECK HARNESS BETWEEN BRAKE FLUID LEVEL SENSOR AND VDC/TCS/ABS CONTROL UNIT

Turn ignition switch OFF and disconnect brake fluid level switch connector and VDC/TCS/ABS control unit connector.
Check continuity between brake fluid level switch harness connector E44 and VDC/TCS/ABS control unit harness connector M93.

CONTINUITY CONDITIONS

VDC/TCS/ABS control unit	Brake fluid level switch	Continuity
40	1	Yes
40	Ground	No
Ground	2	Yes

OK or NG

OK: Connect connectors and perform a VDC/TCS/ABS control unit self-diagnosis.
NG: If the open or short in harness, repair or replace harness.

Fig 1: Identifying Harness Between Brake Fluid Level Sensor And VDC/TCS/ABS Control Unit

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