BR–98 BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS) DTC 55 Brake Fluid Level Warning Switch Circuit CIRCUIT DESCRIPTION The brake fluid level warning switch sends the appropriate signal to the ECU when the brake fluid level drops. DTC No. | Diagnostic Trouble Code Detecting Condition | Trouble area 55 | Voltage at ECU terminal LBL is 0 V continuously for 10 sec. or more. | Brake fluid level Brake fluid level warning switch Short in brake fluid level warning switch circuit ECU Fail safe function: If trouble occurs in this circuit, the ECU cuts off current to the TRAC solenoid relay and prohibits TRAC control. WIRING DIAGRAM W 1B 1J J/B No.1 W B-Y 4 J/B No.1 1J 1E GAUGE ABS & TRAC ECU 12 V AM1 R/B No.2 ALT Ignition Switch Brake Warning Light C10 C17 BR-W IF1 9 1 15 B-W (Canada) BR-W (USA) 1 Diode 2 R-W 10 LBL A-20 B2 14 6 Brake Fluid Level Warning Switch 2 E6 Battery RG7064