Diagnosis - Ax4S Automatic Transmission

• Description & Operation
  • Notes
  • Input Sensors
    • Air Conditioning Clutch (A/C Clutch)
    • Brake On/Off (BOO) Switch
    • Crankshaft Position (CKP) Sensor & Electronic Ignition (EI)
    • Engine Coolant Temperature (ECT) Sensor
    • Intake Air Temperature (IAT) Sensor
    • Mass Air Flow (MAF) Sensor
    • Transmission Control Switch (TCS) & Transmission Control
    • Transmission Fluid Temperature (TFT) Sensor
    • Throttle Position (TP) Sensor
    • Transmission Range (TR) Sensor
    • Transmission Speed Sensor (TSS)
    • Vehicle Speed Sensor (VSS)
  • Output Devices
    • Electronic Pressure Control (EPC) Solenoid
    • Solenoid Valve Body Assembly
    • Torque Converter Clutch (TCC) Solenoid
• Trouble Shooting
  • Preliminary Inspection
• Self-Diagnostic System
  • Diagnostic Formats
  • DIAGNOSTIC TROUBLE CODES (DTCs)
    • Notes
    • KOEO & KOER Codes (Hard Faults)
    • Continuous Memory Codes (Intermittent Faults)
  • Retrieving Codes
  • Reading Codes
    • Notes
    • KOEO & KOER SELF-TEST Codes
    • Pass Codes
    • Continuous Memory Codes
  • Code Reference Chart
  • Clearing Codes
    • PCM Reset
  • Summary
  • Quick Test
    • Description
    • Visual Check
    • Equipment Hookup
    • Aftermarket Scan Tool
    • New Generation STAR (NGS) Tester
    • KOEO Self-Test
    • KOER Self-Test
    • Computed Timing Check
    • Continuous Memory Self-Test (Emission Related)
    • Continuous Memory Self-Test (Enhanced Mode)
    • Additional System Functions
      • Notes
      • Generic OBD-II Parameter Identification (PID)
      • Non-Generic OBD-II Parameter Identification (PID)
      • On-Board System Readiness (OSR) Test Mode
      • Freeze Frame Data Mode
      • Oxygen Sensor Test Mode
      • Output Test Mode
      • Failure Mode Effects Management (FMEM)
      • Hardware Limited Operational Strategy (HLOS)
    • Transmission Drive Cycle Test
      • Notes
      • Test Procedure
    • Transmission Solenoid Cycling & Drive Test (Dynamic Test)
      • Preliminary Set Up
      • EPC Solenoid
      • Engagements
      • Upshift/Downshift
      • Torque Converter Engagement
      • Transmission Speed Sensor (TSS) Function Check
      • Transmission Tester Removal & Clearing Trouble Codes
• Circuit & Pinpoint Test Procedures
  • How To Use Circuit & Pinpoint Tests
    • Notes
    • Diagnostic Aids
• Pinpoint Tests
• Circuit Tests
  • Notes
  • Pinpoint Test A - Shift Solenoid Electrical Circuit
  • Pinpoint Test B - Transmission Fluid Temperature (TFT) Electrical Circuit
  • Pinpoint Test C - Torque CONVERTOR Clutch (TCC) Electrical Circuit
  • Pinpoint Test D - Transmission Range (Tr) Sensor
  • Pinpoint Test E - Electronic Pressure Control (EPC) Solenoid
  • Pinpoint Test F - Transmission Speed Sensor (TSS)
  • Circuit Test FD - Brake On-Off (Boo) Switch
    • Diagnostic Aids
• Technical Service Bulletins
  • Ford Motor Co. TSB 94-26-7
• Wiring Diagrams