Diagnosis - Automatic Transmission

• Application
• Identification
  • Transaxle
• Description & Operation
  • Introduction
  • Electronic Control System
    • Notes
    • Diagnostic Formats
    • Retrieving DTCs
    • Key On, Engine Off (KOEO) Self-Test
    • Key On, Engine Running (KOER) Self-Test
    • BPP, PSP & TCS Test Procedures
    • Continuous Memory Self-Test
  • Powertrain Control Module
  • Input Sensors
    • Brake Pedal Position Switch
    • Camshaft Position Sensor
    • Crankshaft Position Sensor
    • Engine Coolant Temperature Sensor
    • Throttle Position Sensor
    • Transmission Fluid Temperature Sensor
    • Transmission Range Sensor
    • Turbine Shaft Speed Sensor
    • Vehicle Speed Sensor
  • Output Devices
    • Shift Solenoid Assemblies
    • Torque Converter Clutch Solenoid
  • Shift Interlock System
• Component Locations
• Programming
  • Notes
  • Powertrain Control Module
    • Notes
    • Flash Vehicle Identification Block Procedure
• Trouble Shooting
  • Introduction
  • Preliminary Inspection
  • Symptom Diagnosis (Electronic)
    • 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
  • Symptom Diagnosis (Mechanical)
    • Notes
    • No Forward Gears, Reverse Okay
    • No Reverse, Forward Gears Okay
    • Harsh Reverse Engagement
    • Harsh Forward Engagement
    • Delayed Or Soft Engagement Into Reverse
    • Delayed Or Soft Engagement Into Forward Gears
    • Delayed Or Soft Forward & Reverse Engagement
    • Some Or All Shifts Missing
    • Shift Timing Early Or Late
    • Erratic Or Hunting Shifts
    • No Forward & No Reverse
    • Soft Or Slipping Upshifts Or Downshifts
    • Soft Or Slipping 1-2 Shift In "D" Position
    • Soft Or Slipping 2-3 Shift In "D" Position
    • Soft Or Slipping 3-4 Shift In "D" Position
    • Soft Or Slipping 4-3 Shift In "D" Position
    • Soft Or Slipping 3-2 Shift In "D" Position
    • Soft Or Slipping 2-1 Shift In "D" Position
    • Harsh Upshifts Or Downshifts
    • Harsh 1-2 Upshift In "D" Position
    • Harsh 2-3 Upshift In "D" Position
    • Harsh 3-4 Upshift In "D" Position
    • Harsh 4-3 Downshift In "D" Position
    • Harsh 3-2 Downshift In "D" Position
    • Harsh 2-1 Downshift In "D" Position
    • No 1st Gear, Engages In Higher Gear
    • No Manual Low Gear
    • No 1-2 Upshift In "D" Position
    • No 2-3 Upshift In "D" Position
    • No 3-4 Upshift In "D" Position
    • TCC Does Not Apply
    • TCC Always Applied/Engine Stalls
    • TCC Cycles, Shudders &/Or Chatters
    • No Engine Braking In Manual Low
    • High Gearshift Lever Efforts
    • Poor Vehicle Performance
    • Noise Or Vibration In Forward &/Or Reverse
    • Engine Will Not Crank
    • No Park Range
    • Transaxle Overheating
  • Clutch & Band Applications
• Performance Tests
  • Road Test
  • Hydraulic Pressure Tests
  • Hydraulic Pressure Test Results
    • Notes
    • Low In All Ranges
    • Low In "D" & "2" Only
    • Low In "R" Only
    • High In All Ranges
  • Throttle Pressure Test
  • Stall Speed Test
  • Stall Speed Test Results
    • High In All Ranges
    • High In "D" Range Only
    • High In "2" Range
    • High In "R" Range
    • Low In All Ranges
  • Time Lag Test
  • Time Lag Test Results
    • High "N" To "OD"
    • Low "N" To "OD"
    • High "N" To "D"
    • Low "N" To "D"
    • High "N" To "R"
    • Low "N" To "R"
• Self-Diagnostic System
  • Notes
  • Diagnostic Procedure
  • Retrieving Diagnostic Trouble Codes (Quick Test)
    • Notes
    • Description
    • Visual Check
    • Vehicle Preparation & Equipment Hook-Up
    • Key On Engine Off (KOEO) Self-Test
    • Key On Engine Running (KOER) Self-Test
    • Continuous Memory Self-Test
  • Diagnostic Trouble Code Definitions
  • Clearing Diagnostic Trouble Codes
    • Notes
    • PCM Reset
  • Scan Tool Unable To Communicate
  • Additional System Functions
  • Torque CONVERTOR Engagement Test
  • Transaxle Drive Cycle Test
• Diagnostic Tests
  • Notes
  • How To Use Diagnostic Tests
    • Notes
    • Diagnostic Aids
  • 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
• Connector Identification
• Wiring Diagrams