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.
1993 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE
Shift Lock Control Module
- Check voltage at specified terminals of 8-pin shift lock control module connector, located to right of hood release handle. If voltage is not as specified, check appropriate component, connector or wiring harness and repair as necessary.
- With ignition switch in ON position, check voltage between shift lock control module terminal No. 1 (Yellow Wire) and terminal No. 8 (Black Wire). Battery voltage should exist. Voltage should not exist under any other conditions. If voltage is not as specified, check 10-amp fuse in fuse block.
- Check for voltage between shift lock control module terminal No. 2 (Red/Yellow wire) and terminal No. 8. Battery voltage should exist under all conditions. If voltage is not as specified, check 15-amp fuse on NX and Sentra, or 20-amp fuse on G20, located in fuse block.
- With ignition switch in ON position, selector lever in Park, and brake pedal applied, check for voltage between shift lock control module terminal No. 4 (Blue/Green wire) and terminal No. 8. Battery voltage should exist. Voltage should not exist under any other conditions. If voltage is not as specified, check shift lock solenoid.
- Check for voltage between shift lock control module terminal No. 5 (Red/Green wire) and terminal No. 8. With brake pedal applied, battery voltage should exist. With brake pedal released, voltage should not exist. If voltage is not as specified, check stoplight switch.
- Check for voltage between shift lock control module terminal No. 6 (Blue/Black wire) and terminal No. 8. When ignition key is inserted into key cylinder, selector lever is in Park and selector lever button is pushed, battery voltage should exist. When selector lever is set to any other position except Park, battery voltage should exist. Voltage should not exist under any other conditions. If voltage is not as specified, check detention switch.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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