Parts for your 2011 Honda Elysion-Throttle position sensors

2011 Honda Elysion throttle position sensors (TPS) — fitted, what they do, and how to look after them

Based on Honda’s technical literature for the Elysion (RR-series, 2011 model year) and the PGM‑FI Electronic Throttle Control system description used with the K24A and J30A engines, the throttle body contains dual throttle position sensors (TP Sensor A/B). The Honda parts catalogue for the 2011 Elysion lists the throttle body assembly with the TPS integrated, not sold as a stand‑alone item. Those sources confirm the 2011 Honda Elysion definitely uses a TPS as part of its drive‑by‑wire throttle system.

The throttle position sensors on a 2011 Honda Elysion are the quiet achievers that tell the ECU exactly how far the throttle plate is open. Because this Elysion is drive‑by‑wire, there’s no cable from the pedal, instead, an accelerator pedal sensor reports the driver’s request, and the ECU commands the throttle motor while the twin TPS tracks report the actual plate angle. Having two tracks (A and B) adds redundancy and helps the ECU validate the signal, which is why faults often mention correlation between A and B.

When they’re healthy, the TPS signals move smoothly from closed throttle through to wide open, helping deliver crisp response, tidy fuel economy and stable idle. If things go pear‑shaped, owners may notice a check engine light, limp mode, rough idle, flat spots on take‑off or cruise, and transmission shift oddities. Common DTCs include P0121–P0123 and P2135 for correlation issues.

Good news: the TPS generally doesn’t need routine replacement. As part of servicing, a throttle body clean every 40,000–60,000 km can keep deposits from upsetting airflow at idle. Use a throttle‑safe cleaner, don’t flood the electronics, and avoid forcing the plate by hand. After cleaning or a battery disconnect, perform an idle learn so the ECU can recalibrate the throttle position, a scan tool routine is ideal, but a warm‑up and a few minutes of undisturbed idle often does the trick.

If faults persist, check the basics first: intake leaks, wiring/connectors at the throttle body, and battery/charging health. On this model the TPS is built into the throttle body, so replacement typically means a complete throttle body assembly rather than swapping just a sensor. Use a new gasket, keep the bore spotless, and torque fasteners to the factory spec in Honda service data. After fitting, clear codes and run the throttle/idle learn. Quality OE or OE‑equivalent parts and a proper calibration step will save headaches and keep the Elysion running sweet as through Aussie and Kiwi conditions.

• Symptoms to watch: CEL, limp mode, hunting idle, hesitant acceleration, high/low idle after cleaning.
• Service tips: clean sensibly, protect connectors, verify live data for TP Sensor A/B smoothness and agreement.
• When to replace: confirmed TPS circuit/correlation faults after wiring and cleaning checks.

Popular questions

Does the 2011 Honda Elysion actually have a throttle position sensor?
Yes. The Elysion’s drive‑by‑wire system uses dual TPS tracks built into the throttle body to report actual plate angle to the ECU. Honda’s service information and parts catalogue list the throttle body assembly with integrated TP Sensor A/B, and the sensor isn’t normally sold separately.

How do you reset or relearn the throttle after cleaning or a battery change?
Warm the engine fully, switch off all loads (A/C, lights), then let it idle undisturbed for several minutes so the ECU can relearn the target idle and throttle plate position. A scan tool “ETC relearn/idle learn” function is the most reliable method if available. Always clear any stored DTCs and verify stable idle and throttle response afterward.

What fault codes point to a TPS issue on an Elysion?
Typical codes include P0121, P0122, P0123 and P2135 (A/B correlation). Before condemning the throttle body, inspect the intake for leaks, check the wiring and connectors at the throttle body, confirm battery voltage and review live data for smooth, matching TP Sensor A/B signals. If correlation errors persist, replacement of the throttle body assembly is usually the fix.