Anti-Lock Brake System - BOSCH 2U

• Description
• Operation
• Bleeding Brake System
  • Notes
  • Manual Bleeding Procedure
  • Pressure Bleeding Procedure
• Diagnosis
  • Notes
  • Pre-Diagnostic Inspection
  • Entering Diagnostic Display Mode
  • Clearing Codes
  • Using Tech 1
    • Notes
    • Selecting Model Year
    • Selecting Vehicle
    • Selecting Test Mode
    • Mode F0 (Data List)
    • Mode F1 (Code History)
    • Mode F2 (Trouble Codes)
    • Mode F3 (ABS Snapshot)
    • Mode F4 (ABS Tests)
    • Solenoid Valve Pressure Hold Test
    • Solenoid Valve Pressure Release Test
    • Automatic Tests
  • Symptom Diagnosis
  • INTERMITTENTS
• Diagnostic Code Charts
  • Code 21 - Right Front Wheel Speed Sensor Fault
    • Notes
    • Note On Intermittents
  • Code 22 - Right Front Toothed Wheel Frequency Error
    • Notes
    • Note On Intermittents
  • Code 25 - Left Front Wheel Speed Sensor Fault
    • Notes
    • Note On Intermittents
  • Code 26 - Left Front Toothed Wheel Frequency Error
    • Notes
    • Note On Intermittents
  • Code 31 - Right Rear Wheel Speed Sensor Fault
    • Notes
    • Note On Intermittents
  • Code 32 - Right Rear Toothed Wheel Frequency Error
    • Notes
    • Note On Intermittents
  • Code 35 - Left Rear Wheel Speed Sensor Fault
    • Notes
    • Note On Intermittents
  • Code 36 - Left Rear Toothed Wheel Frequency Error
    • Notes
    • Note On Intermittents
  • Code 41 - Right Front Solenoid Valve Fault
    • Notes
    • Note On Intermittents
  • Code 45 - Left Front Solenoid Valve Fault
    • Notes
    • Note On Intermittents
  • Code 55 - Rear Solenoid Valve Fault
    • Notes
    • Note On Intermittents
  • Code 61 - Pump Motor Or Relay Fault
  • Code 63 - Solenoid Valve Relay Fault
  • Code 71 - EBCM Fault
    • Note On Intermittents
  • Code 72 - EBCM Serial Data Fault
• Symptom Diagnostic Charts
  • Diagnostic Chart "A" - No System Power
  • Diagnostic Chart "B" - Anti-Lock Light On, No Codes Set
  • Diagnostic Chart "C" - Anti-Lock Light Inoperative, Key On
  • Diagnostic Chart "D" - Valve Cycling (Chattering) During
• Removal & Installation
  • Electronic Brake Control Module (EBCM)
    • Removal & Installation
  • Hydraulic Modulator
    • Removal
    • Installation
  • Modulator Relays
    • Removal & Installation
  • Toothed Sensor Ring
    • Notes
    • Removal & Installation (Front)
    • Removal & Installation (Rear)
  • Wheel Speed Sensor
    • Notes
    • Removal & Installation (Front)
    • Removal & Installation (Rear)
• Adjustments
  • Stoplight Switch
  • Parking Brake
• Wiring Diagram