Section 74 (Four-Wheel Drive Systems (ESOF) - F150)
WARNING: This page is about a different car, the 2001 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnosis And Testing
- Transfer Case - ESOF
- Notes
- Electrical Shift on the Fly (ESOF) Vacuum Schematic
- Inspection and Verification - Electronic Shift on the Fly (ESOF)
- Symptom Chart - Electronic Shift on the Fly (ESOF)
- Pinpoint Tests
- Pinpoint Test A: The Vehicle Does Not Shift Between 2WD And 4WD Modes Correctly
- Pinpoint Test B: The Vehicle Does Not Shift Between 4WD High And 4WD Low Modes Correctly
- Pinpoint Test C: The Front Axle Is Not Engaging Correctly (Transfer Case Motor Movement OK)
- Pinpoint Test D: The 4X4 Indicator Does Not Operate Correctly
- Pinpoint Test E: The 4X4 High Does Not Engage At Speed Correctly (Driveline Does Not Synchronize Correctly) But Does Engage At Rest
- Pinpoint Test F: No Communication With The Module - GEM
- Transfer Case - MSOF
- Notes
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test G: The 4X4 High Does Not Engage At Speed Correctly (Driveline Does Not Synchronize Correctly) But Does Engage At Rest
- Pinpoint Test H: The Front Axle Is Not Engaging Correctly (Transfer Case Motor Movement OK)
- Pinpoint Test J: The 4X4 Low Range Indicator Does Not Operate Correctly
- Pinpoint Test K: No Communication With The Module - GEM
- Transfer Case - ESOF