Parts for your 2010 Nissan Tiida-Throttle position sensors

2010 Nissan Tiida throttle-position-sensors: what they do and when to service them

Based on the Nissan Factory Service Manual for the C11 Tiida (EC section: Throttle Control System) and standard OBD-II diagnostics for the HR16DE/MR18DE engines, the 2010 Nissan Tiida absolutely uses throttle-position-sensors. They’re not a separate bolt-on sensor like older cable throttles, instead, dual throttle-position-sensors are integrated inside the electronic throttle body alongside the throttle actuator motor. This design is also reflected in common parts catalogues and workshop references for the Tiida/Versa platform.

On a 2010 Tiida, the throttle-position-sensors constantly report the exact angle of the throttle plate to the engine control module (ECM). That data is crucial for fuelling, ignition timing, idle control, cruise, emissions and smooth driveability. The unit uses two tracks (redundant signals) so the ECM can compare them for safety. If the readings disagree, expect a check engine light and limp-home behaviour. Typical fault codes a workshop might see include P0121–P0123 or P0221–P0223, often paired with throttle actuator codes.

Servicing-wise, throttle-position-sensors on this model are part of the throttle body, so they’re usually not replaced on their own. If the sensor side fails, technicians typically fit a complete throttle body assembly. Before replacing anything, it’s smart to check the connector, harness routing under the bonnet, and for signs of water ingress or corrosion. Cleaning the throttle bore with a throttle-safe cleaner can help with sticky throttle plates, but don’t force the blade by hand.

• Common symptoms: sluggish response, surging, erratic idle, stalling at lights, poor fuel economy, and a glowing MIL.
• Good maintenance: periodic throttle-body cleaning, ensuring a healthy battery/charging system (ETC is voltage-sensitive), and fixing any vacuum leaks.
• After any cleaning or replacement: perform the throttle/idle relearn (Idle Air Volume Learn). This can be done with a scan tool or via the approved pedal procedure from the Nissan FSM. Skipping relearn often leaves a high or hunting idle.
• Parts choice: quality OE or reputable brand throttle bodies tend to deliver the best long-term behaviour.

It’s worth noting the Tiida also has an accelerator pedal position (APP) sensor at the pedal. That tells the car what the driver wants, the throttle-position-sensors report what the throttle plate is actually doing. Both need to agree for smooth, safe operation, especially on long Kiwi and Aussie motorway runs measured in many kilometres.

Popular questions

Does the 2010 Nissan Tiida have both an accelerator pedal sensor and throttle-position-sensors?
Yes. The accelerator pedal position sensor sits on the pedal and tells the ECM how much throttle the driver is requesting. The throttle-position-sensors are built into the electronic throttle body and confirm the actual throttle plate angle. The ECM cross-checks both for safety and smooth response.

Can the throttle-position-sensors be replaced separately on a 2010 Tiida?
Generally, no. On this model the sensors are integrated into the throttle body with the actuator motor. If the TPS side fails, the usual fix is a complete throttle body replacement, followed by an idle/throttle relearn. Standalone TPS parts for this vehicle are rarely correct or reliable.

After cleaning or replacing the throttle body, the idle is high or hunts — what now?
Perform the Nissan Idle Air Volume Learn (IAVL). A scan tool makes it quick, but the factory pedal sequence can also work if done precisely. Check for vacuum leaks, an unseated intake hose, or a dirty MAF, as these can upset idle behaviour even after a proper relearn.