Automatic Transmission - Diagnosis - Ax4N

• Application
• Description & Operation
  • Notes
  • Self-Diagnostic System
    • Notes
    • Diagnostic Formats
    • Retrieving Codes
  • Powertrain Control Module Location
  • Input Devices
    • Air Conditioning Clutch Switch
    • Brake Pedal Position Switch
    • Crankshaft Position Sensor & Electronic Ignition
    • Engine Coolant Temperature Sensor
    • Intake Air Temperature Sensor
    • Mass Air Flow Sensor
    • Power Steering Pressure Switch
    • Transmission Control Switch & Transmission Control Indicator Light
    • Transmission Fluid Temperature Sensor
    • Throttle Position Sensor
    • Digital Transmission Range Sensor
    • Turbine Shaft Speed Sensor
    • Vehicle Speed Sensor
  • Output Devices
    • Electronic Pressure Control Solenoid
    • Solenoid Valve Body Assembly
    • Torque Converter Clutch Solenoid
• Trouble Shooting
  • Preliminary Inspection
  • Symptom Diagnosis
    • Notes
    • Harsh Forward Engagement
    • Harsh Reverse Engagement
    • Delayed/Soft Forward
    • Delayed/Soft Reverse
    • Harsh Forward & Reverse Engagement
    • Soft Forward & Reverse
    • Some Or All Shifts Missing
    • Some Or All Shifts Early Or Late
    • Erratic Or Hunting Shifts
    • Soft Or Slipping Shifts
    • Harsh Shifts
    • No 1st Gear In Drive, Engages In Higher Gear
    • No 1-2 Or 3-4 Upshift In "D" Position
    • No 2-3 Upshift In "D" Position
    • No 4-3 Or 2-1 Downshift
    • No TCC Engagement
    • TCC Always Engaged
    • TCC Cycling Or Shuddering
    • Poor Vehicle Performance
    • Engine Will Not Crank
    • Transaxle Overheating
• Diagnosis & Testing
  • Notes
  • Diagnostic Procedure
  • Quick Test
    • Description
    • Visual Check
    • Equipment Hookup
    • Key On Engine Off (KOEO) Self-Test
    • Key On Engine Running (KOER) Self-Test
    • Continuous Memory Self-Test
  • Reading Diagnostic Trouble Codes
    • Notes
    • KOEO & KOER Codes (Hard Faults)
    • Pass Codes
    • Continuous Memory Codes (Intermittent Faults)
  • Clearing Diagnostic Trouble Codes
    • Notes
    • PCM Reset
  • Scan Tool Unable To Communicate
  • Additional System Functions
    • Notes
    • Generic OBD-II Parameter Identification (PID)
    • Non-Generic OBD-II Parameter Identification (PID)
    • Output Test Mode
    • Failure Mode Effects Management (FMEM)
    • Hardware Limited Operational Strategy (HLOS)
  • Torque CONVERTOR Engagement Test
  • Transaxle Drive Cycle Test
    • Notes
    • Test Procedure
  • Transaxle Dynamic Drive Cycle Test
    • Preliminary Set Up
    • EPC Solenoid
    • Engagements
    • Upshift/Downshift
    • Torque Converter Engagement
    • Turbine Shaft Speed Sensor Function Check
    • Transmission Tester Removal & Clearing DTCs
  • Summary
• System Tests
  • Notes
  • How To Use System Tests
  • Test A: Shift Solenoids
  • Test B: Transmission Fluid Temperature Sensor
  • Test C: Torque Converter Clutch Solenoid
  • Test D: Transmission Range Sensor
  • Test E: Electronic Pressure Control Solenoid
  • Test F: Turbine Shaft Speed Sensor
  • Test G: Output Shaft Speed Sensor (Sable & TAURUS)
  • Test H: Solenoid Mechanical Failure
• Removal & Installation
  • Notes
  • Powertrain Control Module
    • Removal & Installation
• Wiring Diagrams