Parts for your 2018 Toyota Crown-Crank angle sensor

2018 Toyota Crown crank angle sensor (crankshaft position sensor)

On the 2018 Toyota Crown, a crank angle sensor is absolutely fitted and relevant. Toyota’s service literature (TIS repair manuals for the S210/S220 Crown) includes diagnostics and removal/installation procedures for the Crankshaft Position Sensor, with DTCs such as P0335 and P0336. The Toyota Electronic Parts Catalog also lists a crankshaft position sensor for the engines offered in 2018 Crowns, including the 2.0L turbo 8AR‑FTS, the 2.5L hybrid A25A‑FXS, and the 3.5L hybrid 8GR‑FXS.

For the 2018 Toyota Crown, the crank angle sensor (more commonly called the crankshaft position sensor) is the little hero that keeps the engine perfectly in step. It reads a toothed wheel on the crank and feeds the ECU precise position and speed signals. That lets the ECU fire the injectors and coils bang on time, control idle quality, detect misfires, and provide the baseline for variable valve timing and start-up. On hybrid Crowns, it’s even more critical because the engine starts and stops frequently, the ECU relies on a clean crank signal to relight the engine smoothly.

As part of regular servicing, there’s no scheduled replacement interval for the crank angle sensor—it's a fit-and-forget item unless symptoms pop up. That said, a smart workshop will give it a quick once-over during major services: check the connector for corrosion or a loose fit, inspect the loom for chafe, and look for oil leaks that might wick into the plug. If accessible, a wipe of the magnetic tip to remove fine metal fuzz doesn’t hurt. It’s typically mounted to the block near the crank pulley or at the transmission bellhousing area, depending on engine variant.

When a sensor begins to fail, drivers might notice hard starting, random stalling, rough idle, a dead tach needle during crank, or the Check Engine light with codes like P0335/P0336. If replacement is needed, go for a genuine or high‑quality OEM sensor. Fit a new O‑ring if applicable, lightly lubricate it, and torque the retaining bolt to spec from the Toyota manual. Always clear fault codes and road‑test. Most Toyota ECUs don’t need a special relearn for the crank signal—the ECU will adapt after a few clean starts—but a scan tool check is good practice. If the old unit failed due to contamination or damage, sort the root cause too: fix any oil leaks, secure the harness, and confirm there’s no cracked reluctor ring. Sorted right, a new sensor will restore crisp starts and smooth running for years.

• Common symptoms: no‑start or long crank, intermittent stall, rough running, MIL on (P0335/P0336), limp mode.
• Basic tools: 10 mm socket, torque wrench, scan tool, oscilloscope optional for signal checks.

FAQs

Where is the crank angle sensor on a 2018 Toyota Crown?

Location varies by engine. On many 8AR‑FTS 2.0T cars it’s down low on the block near the transmission bellhousing, on A25A‑FXS 2.5 hybrids it’s typically at the front or side of the block near the crank pulley, and on 8GR‑FXS V6 hybrids it’s usually at the rear of the block near the flywheel. Access is from underneath in most cases—raising the vehicle makes life easier.

What fault codes point to a bad crank angle sensor?

The big ones are P0335 (Crankshaft Position Sensor “A” Circuit) and P0336 (Range/Performance). If those show up with hard starting or stalling, the sensor, wiring, or the reluctor wheel may be at fault. Always check the connector and harness before condemning the sensor.

Does the crank angle sensor need regular replacement?

No scheduled interval. Replace only if it’s faulty or damaged. During major services, a quick inspection for oil ingress, wiring rub-through, and debris on the tip is worthwhile. Using a quality replacement and torquing it correctly helps ensure long, drama‑free operation.