Parts for your 2006 Toyota Kluger-Throttle position sensors

2006 Toyota Kluger throttle-position-sensors: fitted, important, and worth looking after

Based on Toyota technical literature, throttle-position-sensors are definitely used on the 2006 Toyota Kluger. Toyota’s New Car Features (ETCS-i description for 2AZ‑FE and 3MZ‑FE engines) and the 2006 Kluger/Highlander Repair Manual list throttle position–related diagnostics (DTCs P0120–P0124, P0220–P0224, P2135) and show the sensor as part of the electronic throttle body. Toyota’s parts catalogue likewise supplies the throttle body assembly with the TPS integrated. That makes throttle-position-sensors fully relevant to this model.

On the 2006 Kluger, the throttle-position-sensor (TPS) tells the engine control module exactly where the throttle plate sits. Because these models use Toyota’s electronic throttle control (ETCS‑i), the throttle body houses a motor and dual-track TPS for redundancy. The ECM compares the TPS with the accelerator pedal sensor and uses that data to manage airflow, fuelling, idle speed, gear changes, cruise control and traction systems. When the sensor signal drifts or drops out, the Kluger can hunt at idle, hesitate, surge, or drop into limp mode, often popping a check engine light.

Servicing is straightforward but precise. On most 2006 Klugers (2AZ‑FE 2.4L and 3MZ‑FE 3.3L), the TPS is integrated into the throttle body and isn’t sold separately by Toyota. If the sensor fails or won’t stay in spec, replacement normally means fitting a complete throttle body with a new gasket. After installation, an ETCS idle relearn/initialisation should be performed, a scan tool procedure is ideal, though the ECM will usually relearn after a warm idle and short drive cycle.

Preventative care helps the sensor live a long life. A periodic throttle body clean (every 60,000–100,000 kilometres, or when idle gets rough) removes carbon that can skew readings. Use throttle‑body‑safe cleaner sparingly, don’t flood the motor or sensor area, and never force the throttle plate open. While under the bonnet, inspect the TPS/throttle body connector and loom for corrosion or rub-through, especially if the vehicle has seen beach work or towing.

• Watch for symptoms: erratic idle, stall on coast-down, delayed throttle, poor economy, or DTCs like P0120, P0122, P2135.
• When replacing, use a quality gasket, torque evenly, and perform idle relearn.
• For diagnosis, compare dual TPS tracks (often labelled VTA1/VTA2) with a scan tool, they should rise smoothly and agree within spec.

Popular questions about 2006 Toyota Kluger throttle-position-sensors

Can the TPS be replaced on its own on a 2006 Kluger?
On most 2006 Klugers the TPS is integrated into the electronic throttle body and isn’t supplied as a separate genuine part. Some aftermarket options exist, but reliability varies. For consistent results, workshops usually replace the throttle body assembly.

Does the TPS need calibration after work on the throttle body?
Yes. After cleaning that moves the plate, battery disconnects, or throttle body replacement, the ETCS idle learn/initialisation should be performed. A scan tool procedure is best, but the ECM can relearn after a warm idle and a short, gentle drive.

What are the tell-tale signs the TPS is playing up?
Common clues include a fluttery or high idle, hesitation off the line, sudden limp mode, or a check engine light with codes like P0120 or P2135. If those appear, checking live data for smooth TPS signals and inspecting the throttle body and wiring is the next step.