Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE
4WD Shift Switch And Indicator Lamp: Notes
WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
4WD SHIFT SWITCH OPERATION DESCRIPTION
| 4WD shift switch | Indicator lamp | Operation of 4WD shift switch | Use Condition | |
|---|---|---|---|---|
| 4WD shift | 4LO | |||
| [2WD] | OFF | 2WD <==> 4H switching can be done while driving. The indictor lamp will change when the driving mode is changed. Gear shifting between 2WD <==> 4H position must be performed at speeds below 100km/h (60 MPH). | For driving on dry, paved roads. | |
| [4H] | For driving on rough, sandy or snow-covered roads. | |||
| [4LO] | Flashing | To shift between 4H <==> 4LO, stop the vehicle and select the A/T selector lever to the "N" position with the brake pedal depressed. Depress and turn the 4WD shift switch. The 4WD shift switch will not shift to the desired mode if the transmission is not in "N" or the vehicle is moving with the brake pedal depressed. The 4LO indicator lamp will be lit when the 4LO is engaged. | The 4LO indicator lamp flashes when shifting between 4LO <==> 4H. | |
| ON | For use when maximum power and traction is required at low speed (for example on steep grades or rocky, sandy, muddy roads). | |||
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
