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.
2014 Nissan-Datsun Sentra SRFACTORY OEM SERVICE PROCEDURE
System Description
- ECM receives an ECO mode signal from combination meter via CAN communication and improves the fuel economy by controlling the throttle movement to less than usual. Therefore, driving characteristic is controlled (reducing energy consumption by decreasing needless acceleration and deceleration), so that driving that improved operational fuel efficiency is assisted.
- ECM receives an ECO mode signal from TCM via CAN communication and improves the fuel economy by controlling the throttle movement to less than usual.
- ECM transmits an ECO mode indicator lamp signal to the combination meter via CAN communication.
NOTE:
For the details of the ECO mode, refer to
"ECO MODE CONTROL: SYSTEM DESCRIPTION
" (CVT models) or
"ECO MODE CONTROL: SYSTEM DESCRIPTION
" (M/T models).
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.