Parts for your 2010 Nissan Pulsar-Throttle position sensors

2010 Nissan Pulsar throttle-position-sensors

Going by Nissan’s own technical documentation for this platform — specifically the Tiida/Latio C11 service manual (EC section: Electronic Throttle Control) and MR18DE/HR16DE engine manuals — the 2010 “Pulsar” sold in Australia and New Zealand is effectively the Tiida C11. On these cars the throttle-position sensors are very much used, but they’re built into the electronic throttle body rather than being a separate, bolt-on sensor. The unit contains dual throttle-position sensors and a throttle actuator, if one part fails, the whole throttle body is generally replaced.

The throttle-position sensors tell the ECU exactly how far the throttle plate is open. That input is crucial for fuelling, ignition timing, idle stability, cruise control, and smooth auto shift behaviour. When the signal goes out of range or doesn’t agree between the two internal sensors, the car can drop into limp mode, surge at idle, or light the check engine lamp with codes like P0120–P0124 or P2135.

For servicing a 2010 Nissan Pulsar/Tiida, there’s no separate TPS to swap. Maintenance focuses on the throttle body assembly and wiring:

• Clean the throttle body with throttle-safe cleaner. Don’t force the plate by hand.
• Inspect the connector for corrosion and the harness for rub-through under the bonnet.
• After cleaning or replacement, perform throttle/idle air volume learn with a scan tool, on these Nissans it’s required to stabilise idle.
• If the ECU flags TPS correlation faults, check battery voltage and grounds before condemning the throttle body.
• When replacing the throttle body, use a new gasket, torque evenly, and complete the learning procedure (Consult-III or an equivalent capable tool).

Common signs the internal TPS/throttle body needs attention include erratic idle, flat spots on tip-in, poor fuel economy, harsh shifts, and a steady MIL. Owners often report improvement after a careful clean and a proper learn procedure, if faults persist, the integrated unit is the fix.

Technical references: Nissan Tiida/Latio C11 Service Manual (EC: Electronic Throttle Control), and Nissan MR18DE/HR16DE engine diagnostics, which specify an electronic throttle body with dual, integrated throttle-position sensors and no standalone TPS.

Popular questions about 2010 Nissan Pulsar throttle-position-sensors

Does a 2010 Nissan Pulsar have a separate throttle-position sensor?
Not as a separate part. On the 2010 Pulsar/Tiida platform, the TPS is built into the electronic throttle body alongside the throttle actuator. If the sensor fails, the standard repair is to replace the entire throttle body and carry out the learn procedure.

What symptoms point to a failing throttle-position sensor on a 2010 Pulsar?
Owners may see a check engine light, limp mode, idle hunting, poor throttle response, or harsh shifting. Diagnostic trouble codes like P0121–P0124 or P2135 are common when the two internal sensor tracks disagree or the signal is out of range.

Do I need a relearn after cleaning or replacing the throttle body?
Yes. Nissan specifies throttle/idle air volume learn after cleaning or replacement. Without it, the idle can be high, low, or unstable. A capable scan tool speeds this up and makes the result more consistent.