Abs System Version 5.4 - Repair

• Adjustment Replacement
  • ABS hydraulic unit and control module
    • To remove
    • To fit
  • Wheel sensor, front left
    • To remove
    • To fit
  • Wheel sensor, front right
    • To remove
    • To fit
  • Rear-wheel sensors
    • To remove
    • To fit
• Component Location
  • Brake-light switch (29)
  • Wheel speed sensor, front left (298FL)
  • Wheel speed sensor, front right (298FR)
  • Wheel speed sensor, rear left (298RL)
  • Wheel speed sensor, rear right (298RR)
  • Main fuse board 342a in engine compartment
  • Trionic T7 control module, 4-cyl (430b)
  • Data link connector, 16-pin, CARB (445)
  • Main instrument unit for diesel cars (540c)
    • K12
    • K20
  • Main instrument unit for petrol cars (540d)
    • K12
    • K20
  • ABS control module (547)
  • Trionic T7 control module 4-cyl LEV/OBDII (589b)
  • EDC 15 control module, contact B (595B)
  • Connector H10-19
  • Connector H16-1
  • Connector H33-2
  • Connector H33-5
    • LHD
    • RHD
  • Crimp J1, front harness
  • Crimp J8, front harness
  • Crimp J21, front harness
  • Crimp J55, dashboard harness
  • Crimp J63, dashboard harness
  • Crimp J75, dashboard harness
  • Crimp J116, rear harness
  • Crimp J117, rear harness
  • Crimp J118, rear harness
  • Crimp J119, rear harness
  • Grounding point G2
    • Notes
    • Connected components
  • Grounding point G30
    • Notes
    • Connected components
• Fault Diagnosis, Fault Codes
  • Notes
  • DTC C1371: Wheel Sensor Front Left. Signal Incorrect
    • Wheel Sensor Front Left. Signal Incorrect
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1372: Wheel Sensor Front Left. No Signal
    • Wheel Sensor Front Left. No Signal
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1376: Wheel Sensor Front Right. Signal Incorrect
    • Wheel Sensor Front Right. Signal Incorrect
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1377: Wheel Sensor Front Right. No Signal
    • Wheel Sensor Front Right. No Signal
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1381: Wheel Sensor Rear Left. Signal Incorrect
    • Wheel Sensor Rear Left. Signal Incorrect
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1382: Wheel Sensor Rear Left. No Signal
    • Wheel Sensor Rear Left. No Signal
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1386: Wheel Sensor Rear Right. Signal Incorrect
    • Wheel Sensor Rear Right. Signal Incorrect
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1387: Wheel Sensor Rear Right. No Signal
    • Wheel Sensor Rear Right. No Signal
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1390: Wheel Sensor. Wrong Number of Teeth
    • Wheel Sensor. Wrong Number of Teeth
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1532: Battery Voltage. Too Low
    • Battery Voltage. Too Low
    • Fault symptoms
    • Conditions
  • DTC C1540: Solenoids. Open Circuit
    • Solenoids. Open Circuit
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C1605: Control module fault
    • Control module fault
    • Fault symptoms
    • Conditions
  • DTC C2415, C2450, C2455, C2485: Solenoid Valves Incorrect
    • C2415 Solenoid Valves Rear Left. Incorrect, C2450 Solenoid Valves Front Left. Incorrect, C2455 Solenoid Valves Front Right. Incorrect, C2485 Solenoid Valves Rear Right. Incorrect
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C2465: Pump Motor. Incorrect
    • Pump Motor. Incorrect
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC C2470: Brake Light Switch. Open Circuit
    • Brake Light Switch. Open Circuit
    • Fault symptoms
    • Conditions
    • Diagnostic help
• Fault diagnosis, general
  • Fault diagnosis strategy for electronic systems
    • Notes
    • General fault diagnosis in electronic systems
      • Control module
      • Outputs
      • Inputs
  • Tech 2 Menu structure
  • Menu "Read Values"
  • Menu: "Activate"
  • "System information" menu
  • Valve test
    • Explanation of valve test
  • Before changing a control module
  • Testing for open/short circuits
    • General
    • Testing for open circuits by measuring voltage.
    • Testing for open circuits by measuring resistance
    • Testing for short circuits to ground
• Fault diagnosis symptom
  • No diagnostic link
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • ABS warning lamp fails to come on.
    • Notes
    • Fault symptoms
    • Diagnostic help
    • Conditions
  • The ABS lamp is constantly on.
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • Wheel-speed signal absent.
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
• Special Tools
  • Tech 2
  • 86 11 352 Measurement cable, male pin (x 4)
  • 88 19 096 Bleeding equipment
  • 86 11 212 Bypass wiring, ABS MK IV
• Technical Data
  • Hydraulic unit
  • Control module (integrated into hydraulic unit)
  • Front-wheel sensors
  • Rear-wheel sensors
  • Tightening torques
  • Test readings, control-module connections
    • Notes
    • Scope
    • Points to remember:
    • Connection, test readings
• Technical description
  • ABS 5.4: System overview
  • Main components
  • The ABS 5.4 system in brief
  • Control module inputs
  • Control module outputs
  • Control module
    • Notes
    • The control module incorporates the following components:
    • Main relay
    • Pump relay
    • Diagnosis
  • Power supply
    • Battery voltage (+30 circuit)
    • Battery voltage (+15 circuit)
    • Diagnosis
  • Control module ground
    • Control module ground
    • Diagnosis
  • Front-wheel sensors
    • Notes
    • Diagnosis
  • Rear-wheel sensors
    • Notes
    • Diagnosis
  • Brake-light switch
    • Notes
    • Diagnosis
  • Return pump
    • Notes
    • Diagnosis
  • Valve block
    • Notes
    • Diagnosis
  • Function
    • Notes
    • Braking force/slip
    • Lateral force/Slip
  • ABS modulation
    • Notes
    • Phase 1
    • Phase 2
    • Phase 3
    • Phases 1 to 3
  • EBD (Electronic Brake-force Distribution)
  • Brakes off
  • Braking without ABS modulation
  • Braking with ABS modulation
    • Notes
    • Phase 1
    • Phase 2
    • Phase 3
  • ABS warning lamp
    • Notes
    • Diagnosis
  • Wheel speed
  • Diagnostic data link
    • Notes
    • Diagnosis
• Wiring diagram
  • Anti-lock brakes ABS 5.4
    • Notes
    • List of components