Steering System-General Information

• Specifications
  • General Specifications
• Description And Operation
  • Steering System
• Diagnosis And Testing
  • Steering System
    • Special Tool(s)
    • Material
    • Principles of Operation
      • Variable Assist Power Steering (VAPS)
    • Inspection and Verification
    • Steering System Symptom Definitions
      • Drift/Pull
      • Excessive Steering Wheel Play
      • Feedback
      • Hard Steering or Lack of Assist
      • Nibble
      • Poor Returnability/Sticky Steering
      • Shimmy
      • Wander
    • Symptom Chart
    • Connector Circuit Reference
      • Front Electronic Module (FEM) C201a
      • VAPS Solenoid C120
    • Pinpoint Test A: DTC C1924 - VAPS Solenoid Actuator Output Short To Ground
      • Normal Operation
      • Possible Causes
      • Pinpoint Test A: DTC C1924 - VARIABLE ASSIST POWER STEERING (VAPS) SOLENOID ACTUATOR OUTPUT SHORT TO GROUND
    • Pinpoint Test B: DTC C1925 - VAPS Solenoid Actuator Return Circuit Failure
      • Normal Operation
      • Possible Causes
      • Pinpoint Test B: DTC C1925 - VAPS SOLENOID ACTUATOR RETURN CIRCUIT FAILURE
    • Pinpoint Tests C: Hard Steering/Lack of Assist (No DTCs present)
      • Normal Operation
      • Possible Causes
      • Pinpoint Test C: HARD STEERING/LACK OF ASSIST (NO DTCS PRESENT)
    • Pinpoint Test D: Steering System Noise
      • Normal Operation
      • Possible Causes
      • Pinpoint Test D: STEERING SYSTEM NOISE
    • Pinpoint Test E: Steering is Very Difficult/Very Easy
      • Normal Operation
      • Possible Causes
      • Pinpoint Test E: STEERING IS VERY DIFFICULT/VERY EASY
    • Pinpoint Test F: Excessive Steering Wheel Play
      • Normal Operation
      • Possible Causes
      • Pinpoint Test F: EXCESSIVE STEERING WHEEL PLAY
    • Pinpoint Test G: Steering System Drift/Pull/Wander
      • Normal Operation
      • Possible Causes
      • Pinpoint Test G: STEERING SYSTEM DRIFT/PULL/WANDER
    • Component Tests
      • Steering Linkage
      • Turning Effort Test
      • Pump Flow and Pressure Test
      • Tie-Rod Articulation Torque
      • Steering Gear Valve
• General Procedures
  • Power Steering System Filling
  • Power Steering System Flushing
  • Power Steering System Purging