Traction Control System (TCL)

• General Description
  • Notes
  • Construction Diagram
• Traction Control System (TCL) Diagnosis
  • TCL Diagnostic Trouble Code Detection Conditions
  • TCL Diagnostic Troubleshooting Strategy
  • Diagnostic Function
    • How To Connect The Scan Tool (Mut-III)
    • How To Read And Erase Diagnostic Trouble Codes < Using Scan Tool MB991958>
    • How To Read And Erase Diagnostic Trouble Codes < Using The Abs Warning Light And Special Tool MB991529>
    • How To Read Diagnostic Trouble Codes
    • How To Erase Diagnostic Trouble Codes
  • Diagnostic Trouble Code Chart
  • Diagnostic Trouble Code Procedures
    • DTC 31, 32, 33, 34: TCL Solenoid Valve inside Hydraulic Unit (Open Circuit or Short Circuit)/DTC 41, 42, 43, 44, 45, 46, 47, 48: ABS Solenoid Valve inside Hydraulic Unit (Open Circuit or Short Circuit) /DTC 51: Valve Power Supply /DTC 53: Pump Motor
      • Notes
      • Circuit Operation
      • TCL DTC Set Conditions
      • TROUBLESHOOTING HINTS (The most likely causes for these DTCs are to set are:)
      • Diagnosis
  • Symptom Chart
  • Symptom Procedures
    • INSPECTION PROCEDURE 1: Communication between the Scan Tool and the ABS-ECU is not Possible.
      • Notes
      • Circuit Operation
      • Technical Description (Comment)
      • TROUBLESHOOTING HINTS (The most likely causes for this case:)
      • Diagnosis
    • INSPECTION PROCEDURE 2: When the Ignition Key is Turned to the "ON" Position (Engine Stopped), the TCL Indicator Light does not Illuminate.
      • Notes
      • Circuit Operation
      • Technical Description (Comment)
      • TROUBLESHOOTING HINTS (The most likely causes for this case:)
      • Diagnosis
    • INSPECTION PROCEDURE 3: When the Ignition Key is Turned to the "ON" Position (Engine Stopped), the TCL Warning Light does not Illuminate.
      • Notes
      • Circuit Operation
      • Technical Description (Comment)
      • TROUBLESHOOTING HINTS (The most likely causes for this case:)
      • Diagnosis
    • INSPECTION PROCEDURE 4: The TCL Indicator Light Remains Illuminated after the Engine is Started.
      • Notes
      • Circuit Operation
      • Technical Description (Comment)
      • TROUBLESHOOTING HINTS (The most likely causes for this case:)
      • Diagnosis
    • INSPECTION PROCEDURE 5: The TCL Warning Light Remains Illuminated after the Engine is Started.
      • Notes
      • Circuit Operation
      • Technical Description (Comment)
      • TROUBLESHOOTING HINTS (The most likely causes for this case:)
      • Diagnosis
    • INSPECTION PROCEDURE 6: The TCL System does not Operate.
      • Technical Description (Comment)
      • TROUBLESHOOTING HINTS (The most likely cause for this case:)
      • Diagnosis
  • Data List Reference Table
  • Actuator Test Reference Table
  • Check At Abs-Ecu
    • Terminal Voltage Check Chart
    • Resistance And Continuity Between Harness-Side Connector Terminals
• Special Tools
• On-Vehicle Service
  • Bleeding
    • Notes
    • Master Cylinder Bleeding
    • Brake Line Bleeding
  • Wheel Speed Sensor Output Voltage Measurement
  • Hydraulic Unit Check