Automatic Transmission - Diagnosis - 4R100
- Application
- Description & Operation
- Notes
- Self-Diagnostic System
- Input Devices
- Accelerator Pedal Position Sensor (7.3L DI Turbo Diesel Only)
- Air Conditioning Clutch Switch
- Rear Anti-Lock Brake Speed Sensor
- Barometric Pressure Sensor (7.3L DI Turbo Diesel Only)
- Brake Pedal Position Switch
- Camshaft Position Sensor (7.3L DI Turbo Diesel Only)
- Digital Transmission Range Sensor
- Profile Ignition Pick-Up
- 4WD Low Switch
- Intake Air Temperature Sensor
- Mass Airflow Sensor
- Manifold Absolute Pressure Sensor (Gasoline Engines)
- Output Shaft Speed Sensor
- Throttle Position Sensor
- Transmission Control Switch Or Transmission Control Indicator Lamp
- Transmission Fluid Temperature (TFT) Sensor
- Turbine Shaft Speed (TSS) Sensor
- Output Devices
- Trouble Shooting
- Notes
- Preliminary Inspection
- Symptom Diagnosis
- Notes
- Harsh Forward Engagement
- Harsh Reverse Engagement
- Harsh Forward & Reverse Engagement
- 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 Manual 1st Gear
- No Manual 2nd Gear
- No 1-2, 2-3 Or 3-4 Upshift In "D" Position
- No 4-3 Or 2-1 Downshift
- No 3-2 Downshift
- No Torque Converter Clutch Engagement
- Torque Converter Clutch Always Engaged
- Torque Converter Clutch Cycling Or Shuddering
- Poor Vehicle Performance
- Incorrect Gear Ratio In "D", "2" Or "1" Positions
- Engine Will Not Crank
- Transmission Overheating
- No Engine Braking With O/D Cancelled, Manual "1" & "2" Have Engine Braking
- Diagnosis & Testing
- System Tests
- Notes
- How To Use System Tests
- Test A: Shift Solenoid Electrical Circuit
- Test B: Transmission Fluid Temperature Electrical Circuit
- Test C: Torque Converter Clutch Electrical Circuit
- Test D: Digital Transmission Range Sensor
- Test E: Electronic Pressure Control Solenoid
- Test F: Turbine Shaft Speed & Output Shaft Speed Sensors
- Test G: Coast Clutch Solenoid
- Test H: Solenoid Mechanical Failure
- Test Tb: Transmission Control Switch & Transmission Control Indicator Lamp
- Test TG: 4WD Low (4X4L) Range
- Test Z: Intermittent
- P0237 Map Sensor Out Of Range
- P0741 TCC Slippage Detected
- P1000 Incomplete OBD-II Testing
- P1111 System Pass Code
- P1124 TP Sensor Out Of On-Board Diagnostics Range
- P1703 BPP Switch Malfunction
- P1711 TFT Sensor Out Of On-Board Diagnostics Range
- P1728, P1744 Transmission Slippage
- Removal & Installation
- Wiring Diagrams