Chassis Diagnostic Procedures - Anti-Lock Brake System

• Introduction
  • Notes
  • System Coverage
  • Six-Step Troubleshooting Procedure
• Identification Of System
• System Description And Functional Operation
  • TEVES MARK 20i SYSTEM DESCRIPTION
    • Notes
    • Pedal Feel/Vehicle Characteristics
    • System Components
      • Antilock Brake System
    • Abs And Brake Warning Indicators
    • Controller Antilock Brake (Cab)
    • Hydraulic Control Unit
    • Relays/Switches
    • Sensors
  • Diagnostic Trouble Codes
    • Notes
    • System Initialization
    • Diagnostic Mode
    • Intermittent Diagnostic Trouble Codes
  • Axle Lock
    • General
    • Description
  • Using The DRBIII®
  • DRBIII® Error Messages
    • Notes
    • DRBIII® Does Not Power Up (Blank Screen)
    • Display Is Not Visible
• Disclaimers, Safety Warnings
  • Disclaimers
  • Safety
    • Technician Safety Information
    • Vehicle Preparation For Testing
    • Servicing Sub-Assemblies
    • DRBIII® Safety Information
  • Warning
    • Vehicle Damage Warnings
    • Road Testing A Complaint Vehicle
  • Diagnosis
• Required Tools And Equipment
• Glossary Of Terms
• Diagnostic Information And Procedures
  • Notes
  • Brakes (Cab) - Symptoms
    • Symptom: CAB POWER FEED CIRCUIT
      • When Monitored and Set Condition:
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: CONTROLLER FAILURE
      • When Monitored and Set Condition:
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: G-SWITCH NOT PROCESSABLE
      • When Monitored and Set Condition:
      • Possible Causes
      • Diagnostic Procedure
    • Symptom List: LEFT FRONT SENSOR CIRCUIT FAILURE; LEFT REAR SENSOR CIRCUIT FAILURE; RIGHT FRONT SENSOR CIRCUIT FAILURE; RIGHT REAR SENSOR CIRCUIT FAILURE
      • Notes
      • When Monitored and Set Condition:
        • Left Front Sensor Circuit Failure
        • Left Rear Sensor Circuit Failure
        • Right Front Sensor Circuit Failure
        • Right Rear Sensor Circuit Failure
      • Possible Causes
      • Diagnostic Procedure
    • Symptom List: LEFT FRONT SENSOR SIGNAL FAILURE; LEFT REAR SENSOR SIGNAL FAILURE; RIGHT FRONT SENSOR SIGNAL FAILURE; RIGHT REAR SENSOR SIGNAL FAILURE
      • Notes
      • When Monitored and Set Condition:
        • Left Front Sensor Signal Failure
        • Left Rear Sensor Signal Failure
        • Right Front Sensor Signal Failure
        • Right Rear Sensor Signal Failure
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: PUMP MOTOR NOT WORKING PROPERLY
      • When Monitored and Set Condition:
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: SYSTEM OVER VOLTAGE
      • When Monitored and Set Condition:
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: SYSTEM UNDER VOLTAGE
      • When Monitored and Set Condition:
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *ABS WARNING INDICATOR ALWAYS ON
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *ABS WARNING INDICATOR INOPERATIVE
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *BRAKE LAMP SWITCH
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *FRONT AXLE LOCK INDICATOR REMAINS FLASHING
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *REAR AXLE LOCK INDICATOR REMAINS FLASHING
      • Possible Causes
      • Diagnostic Procedure
    • Symptom: *REAR AXLE LOCK INOPERATIVE
      • Possible Causes
      • Diagnostic Procedure
  • Verification Tests
• Component Locations
  • Controller Antilock Brake
  • Data Link Connector
  • G-Switch
  • Power Distribution Center (Fuses & Relays)
  • Wheel Speed Sensors
    • Front
    • Rear
  • Wheel Speed Sensor Connectors
    • Left Front
    • Right Front
    • Rear
  • Brake Switches
    • Parking Brake
    • Brake Switch
• Connector PINOUTS
  • Axle Lock Switch (Off-Road Package) - 8 Way
  • Brake Lamp Switch - Gray 6 Way
  • Brake Warning Indicator Switch - Black 2 Way
  • C115 (Off-Road Package) - Black (Engine Side)
  • C115 (Off-Road Package) - Black (Front Feedback Overlay Side)
  • C116 (Off-Road Package) - LT. Gray (Engine Side)
  • C116 (Off-Road Package) - LT. Gray (Rear Feedback Overlay Side)
  • Clutch Pedal Position Switch (M/T) - Black 2 Way
  • Controller Antilock Brake - 25 Way
  • Data Link Connector - Black 16 Way
  • Front Locker Indicator Switch (Off-Road Package) - Black 2 Way
  • Front Locker Pump (Off-Road Package) - LT. Gray 3 Way
  • G-Switch (LHD) - 3 Way
  • Instrument Cluster C1 - 12 Way
  • Instrument Cluster C2 - 16 Way
  • Left Front Wheel Speed Sensor - 2 Way
  • Left Front Wheel Speed Sensor (Sensor Side) - 2 Way
  • Left Rear Wheel Speed Sensor - 2 Way
  • Left Rear Wheel Speed Sensor (Sensor Side) - 2 Way
  • Fuses (PDC)
  • Front Locker Relay (In PDC/Off-Road Package)
  • Rear Locker Relay (In PDC/Off-Road Package)
  • Rear Locker Indicator Switch (Off-Road Package) - Black 2 Way
  • Rear Locker Pump (Off-Road Package) - LT. Gray 3 Way
  • Right Front Wheel Speed Sensor - Black 2 Way
  • Right Front Wheel Speed Sensor (Sensor Side) - 2 Way
  • Right Rear Wheel Speed Sensor - Black 2 Way
  • Right Rear Wheel Speed Sensor (Sensor Side) - 2 Way
  • Vehicle Speed Sensor - Black 3 Way
• Schematic Diagrams
  • TEVES MARK 20i CONTROLLER ANTILOCK BRAKE - ABS
  • Axle Lock