Section 694 (Transfer Case - Four Wheel Drive (4WD) Systems - F-150 & Mark LT)
WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnostic Tests
- Four Wheel Drive (4WD) Systems - Mechanical Shift
- Notes
- Principles of Operation
- Inspection and Verification
- Four Wheel Drive (4WD) Control Module (PCM) Diagnostic Trouble Code (DTC) Chart
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: No Communication With the Four Wheel Drive (4WD) Control Module (PCM)
- Pinpoint Test B: The Front Axle Does Not Engage/Disengage Correctly/Makes Noise in 2H Under Heavy Throttle
- Pinpoint Test C: The Vehicle Does Not Shift Between Two Wheel Drive (2WD) and Four Wheel Drive (4WD) Modes Correctly
- Pinpoint Test D: The Vehicle Does Not Shift Between 4H and 4L Modes Correctly
- Pinpoint Test E: Four Wheel Drive (4WD) Does Not Engage at Speed Correctly
- Pinpoint Test F: The Four Wheel Drive (4WD) System Jumps Out of Gear
- Pinpoint Test G: Straightline Driveline Wind-up
- Pinpoint Test H: Mechanical Shift on the Fly (MSOF) Functional Test
- Pinpoint Test I: The Instrument Cluster 4L and 4H Indicators Do Not Operate Correctly/Do Not Operate
- Four Wheel Drive (4WD) Systems - Electronic Shift
- Notes
- Principles of Operation
- Inspection and Verification
- Four Wheel Drive (4WD) Control Module (PCM) Diagnostic Trouble Code (DTC) Chart
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test J: No Communication With the Four Wheel Drive (4WD) Control Module
- Pinpoint Test K: The Front Axle Does Not Engage/Disengage Correctly/Makes Noise in 2H Under Heavy Throttle
- Pinpoint Test L: The Vehicle Does Not Shift Between Two Wheel Drive (2WD) and Four Wheel Drive (4WD) Modes Correctly
- Pinpoint Test M: The Vehicle Does Not Shift Between 4H and 4L Modes Correctly
- Pinpoint Test N: 4WD Does Not Engage at Speed Correctly
- Pinpoint Test O: The Four Wheel Drive (4WD) System Jumps Out of Gear
- Pinpoint Test P: Straightline Driveline Wind-up
- Pinpoint Test Q: Electronic Shift on the Fly (ESOF) Functional Test
- Pinpoint Test R: The Instrument Cluster 4L and 4H Indicators Do Not Operate Correctly/Do Not Operate
- Four Wheel Drive (4WD) Systems - All Wheel Drive (AWD)
- Notes
- Principles of Operation
- Inspection and Verification
- Four Wheel Drive (4WD) Control Module Diagnostic Trouble Code (DTC) Chart
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test S: No Communication With the Four Wheel Drive (4WD) Control Module (PCM)
- Pinpoint Test T: The Vehicle Does Not Shift Between All Wheel Drive (AWD) and 4H Correctly
- Pinpoint Test U: The Instrument Cluster 4H Indicator Does Not Operate Correctly/Does Not Operate
- Pinpoint Test V: Straightline Driveline Wind-up
- Pinpoint Test W: The Vehicle Binds in Turns/Resists Turning/Pulsates/Shudders in a Straightline
- Pinpoint Test X: All Wheel Drive (AWD) System Functional Test
- Four Wheel Drive (4WD) Systems - Mechanical Shift
- Removal And Installation