Automatic Transmission - Diagnosis

• Application
• Description & Operation
  • Notes
  • Self-Diagnostic System
    • Diagnostic Formats
    • Retrieving Codes
    • Diagnostic Trouble Codes
    • KOEO & KOER Codes (Hard Faults)
    • Continuous Memory Codes (Intermittent Faults)
  • Powertrain Control Module
  • Input Sensors
    • Brake Pedal Position Switch
    • Camshaft Position Sensor
    • Crankshaft Position Sensor
    • Digital Transmission Range Sensor
    • Engine Coolant Temperature Sensor
    • Turbine Shaft Speed Sensor
    • Throttle Position Sensor
    • Transmission Control Switch
    • Transmission Fluid Temperature Sensor
    • Vehicle Speed Sensor
  • Output Devices
    • Shift Solenoid Assemblies
    • Torque Converter Clutch Solenoid
• Trouble Shooting
  • Preliminary Inspection
  • Symptom Diagnosis
    • No Forward Gears
    • No Reverse Gear
    • Some Or All Shifts Missing
    • Shifts Early Or Late
    • Erratic Or Hunting Shifts
    • No 1st Gear In Drive, Engages In Higher Gear
    • No Manual 1st Gear
    • No 1-2 Shift In "D" Position
    • No 2-3 Shift In "D" Position
    • No 3-4 Shift In "D" Position
    • Soft Or Slipping 1-2 Or 2-3 Upshift In "D" Position
    • Soft Or Slipping 3-4 Upshift In "D" Position
    • Soft Or Slipping 4-3 Downshift In "D" Position
    • Soft Or Slipping 3-2 Downshift In "D" Position)
    • Soft Or Slipping 2-1 Downshift In "D" Position
    • Harsh 1-2, 2-3 Or 3-4 Upshift In "D" Position
    • Harsh 4-3 Or 3-2 Downshift In "D" Position
    • Harsh 2-1 Downshift In "D" Position
    • No TCC Engagement
    • TCC Always Engaged
    • TCC Cycling Or Shuddering
    • No Engine Braking In 1st Gear Or Manual "1"
    • Poor Vehicle Performance
    • Engine Will Not Crank
    • Transaxle Overheating
• Diagnosis & Testing
  • Diagnostic Procedure
  • Quick Test
    • Notes
    • Description
    • Diagnostic Aids
    • Visual Check
    • Equipment Hookup
    • KOEO Self-Test
    • KOER Self-Test
    • Continuous Memory Self-Test
  • Reading Codes
    • Key On Engine Off & Key On Engine Running Codes (Hard Faults)
    • Pass Codes
    • OBD-II Monitor Testing Not Complete (DTC P1000)
    • Continuous Memory Codes (Intermittent Faults)
  • Clearing Diagnostic Trouble Codes
    • Notes
    • PCM Reset
    • OBD-II Drive Cycle
  • Scan Tool Unable To Communicate With Pcm
    • Notes
    • Diagnostic Aids
  • Additional System Functions
    • Notes
    • Generic OBD-II Parameter Identification (PID)
    • Accessing Ford Specific PIDs
    • On-Board System Readiness (OSR) Test Mode
    • Freeze Frame Data Mode
    • Output Test Mode
  • Torque CONVERTOR Engagement Test
  • Transaxle Drive Cycle Test
  • Summary
• System Tests
  • Notes
  • How To Use System Tests
  • Test A: Shift Solenoid Circuit
  • Test B: TFT Sensor
  • Test C: TCC Solenoid
  • Test D: Transmission Range Sensor
  • Test E: EPC Solenoid
  • Test F: TSS Sensor
• Removal & Installation
  • Notes
  • Powertrain Control Module
    • Removal & Installation
• Wiring Diagrams