Four Wheel Drive (4WD) Systems
- Specifications
- Description And Operation
- Diagnosis And Testing
- Four Wheel Drive (4WD) Systems 1-Speed Torque-On-Demand
- Notes
- DTC Charts
- Symptom Chart - 4WD
- Symptom Chart - NVH
- Pinpoint Tests
- Pinpoint Test A: DTC U300D:11
- Pinpoint Test B: DTC P0562:00 or P0563:00
- Pinpoint Test C: The Front Axle Does Not Engage/Disengage Correctly
- Pinpoint Test D: The Vehicle Does Not Shift Between 4X4 AUTO and 4X4 Modes Correctly
- Pinpoint Test E: 4WD Does Not Engage at Speed Correctly
- Pinpoint Test F: 4WD System Jumps Out of Gear
- Pinpoint Test G: Straightline Driveline Wind-up
- Pinpoint Test H: The Front Axle Makes Noise in 2H Mode Only and Generally Under Heavy Throttle
- Pinpoint Test I The Vehicle Has No Torque or Inadequate Torque At Rear Wheels in 4x4 AUTO Mode
- Pinpoint Test J: The 4WD Indicators Do Not Operate Correctly/Do Not Operate
- Pinpoint Test K: The Vehicle Binds in Turns/Resists Turning/Pulsates/Shudders in a Straight Line
- Four Wheel Drive (4WD) Systems 2-Speed Torque-On-Demand
- Notes
- DTC Charts
- Symptom Chart - 4WD
- Symptom Chart - NVH
- Pinpoint Tests
- Pinpoint Test N: The Front Axle Does Not Engage/Disengage Correctly
- Pinpoint Test O: The Vehicle Does Not Shift Between 4A (4X4 AUTO) and 4H (4X4) Modes Correctly
- Pinpoint Test P: The Vehicle Does Not Shift Between 4H (4X4) and 4L (4X4 Low) Modes Correctly
- Pinpoint Test Q: 4WD Does Not Engage at Speed Correctly
- Pinpoint Test R: The 4WD System Jumps Out of Gear
- Pinpoint Test S: Vehicle Pulsates or Shudders in a Straight Line (Straightline Driveline Wind-up)
- Pinpoint Test T: The Front Axle Makes Noise in 2H Mode Only and Generally Under Heavy Throttle
- Pinpoint Test U: 4WD System Functional Test
- Pinpoint Test V: The 4X4 Mode Indicators Do Not Operate Correctly/Do Not Operate
- Pinpoint Test W: Vehicle Binds in a Turn/Resists Turning/Pulsates in a Straightline in 4WD Mode
- Pinpoint Test X: The Vehicle Does Not Shift Between 2H (2WD) and 4X4 Modes Correctly
- Pinpoint Test Y: Neutral Flat Tow Functional Test
- Four Wheel Drive (4WD) Systems 1-Speed Torque-On-Demand
- General Procedures
- Removal And Installation