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.
2009 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Pattern B: Notes
- Turn the ignition switch ON after replacing each part.
- Start engine.CAUTION: Do not start the driving.
- Touch CONSULT-III screen in the order of "DATA MONITOR", and "MAIN SIGNALS".
- Warm up the transaxle assembly until "ATF TEMP COUNT" indicates 47 [approximately 20°C(68°F)] or more. Turn the ignition switch OFF.
- Turn the ignition switch ON.CAUTION: Do not start engine.
- Select "SELF-DIAG RESULTS".
- Shift the selector lever to "R" position.
- Depress slightly the accelerator pedal (Pedal angle: 2/8) while depressing the brake pedal.
- Perform "ERASE".
- Shift the selector lever to "R" position after replacing TCM. Turn the ignition switch OFF.
- Wait approximately 10 minutes after turning the ignition switch OFF.
- Turn the ignition switch ON while shifting the selector lever to "R" position.CAUTION: Do not start engine.
- Select "Special function".
- Check that the value on "CALIBRATION DATA" is same as the data after erasing "Calibration Data".
- Restart the procedure from step 3 if the values are not same.
- Shift the selector lever to "P" position.
- Check that the shift position indicator in the combination meter turns ON (It indicates approximately 1 or 2 seconds after shifting the selector lever to "P" position.)
- Check the following items if the shift position indicator does not turn ON. Repair or replace the shift position indicator if necessary.
- The harness between TCM and ROM ASSY in the transaxle assembly is open or short.
- Cable disconnected, loosen, or bent from the connector housing.
- Power supply and ground of TCM. Refer to DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY) .
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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