Parts for your 2018 Nissan Serena-Crank angle sensor

2018 Nissan Serena crank-angle sensor: what it does and how to look after it

Yes, the 2018 Nissan Serena (C27 series) is fitted with a crank-angle sensor, more commonly called the crankshaft position (CKP) sensor. This is documented in the Nissan C27 Serena Electronic Service Manual (EC engine control section), the factory DTC list for P0335/P0336 (CKP sensor circuit), and Nissan’s parts catalogue listings for the C27 with the MR20DD petrol and e-POWER HR12DE engines. Aftermarket catalogues from OE suppliers also list a CKP for these engines, confirming fitment.

The Serena’s crank-angle sensor is the engine’s timekeeper. It tracks the exact position and speed of the crankshaft so the ECM can fire the coils, inject fuel, manage variable valve timing, and—on S-HYBRID/e-POWER models—coordinate engine starts and charging smoothly. If the signal goes missing or erratic, you’ll typically see hard starting, stalling at idle, hesitation, poor fuel economy, or the tach dropping out. Fault codes like P0335/P0336 are common flags.

There’s no fixed replacement interval, the sensor isn’t a scheduled service item. As part of routine servicing, it’s smart to:

• Inspect the CKP wiring and connector for chafing, oil intrusion, or green corrosion.
• Check for oil leaks around the rear of the block/bellhousing that could wick into the plug.
• Scan for pending codes and look at live RPM signal during cranking to confirm a stable read.

Replacement is straightforward but fiddly due to access. Typical steps are to disconnect the 12V battery, safely raise the car if needed, locate the sensor on the lower block near the transmission bellhousing, unplug, remove the retaining fastener, and pull the sensor straight out. Lightly oil the new O-ring, seat the new sensor without forcing it, and tighten the fastener to the workshop manual spec. Clear codes and road-test. Most cars will relearn the signal pattern on their own after a few start/drive cycles, if the light returns, a scan-tool “CKP pattern learn” procedure may be required.

Use genuine or OE-equivalent sensors to avoid intermittent faults. If symptoms persist after replacement, also check the cam sensor, timing chain stretch on high-kilometre cars, and any ECM earth issues.

Technical sources referenced: Nissan C27 Serena Electronic Service Manual (EC section), Nissan CONSULT DTC charts (P0335/P0336), Nissan Parts Catalogue for C27 MR20DD/HR12DE applications, and OE supplier application guides.

FAQs

Does the 2018 Serena have a crank-angle sensor and where is it?
Yes. It’s mounted on the engine block near the transmission bellhousing, reading a toothed wheel on the crank. Access is from underneath or low in the bay.

What are the common symptoms of a failing sensor?
Hard starting, random stalling at idle, surging, rough running, and an engine light with codes like P0335/P0336. The tach may briefly drop to zero when it cuts out.

Can it be driven with a dodgy sensor?
It might run poorly or stall, and in some cases won’t start at all. Best to sort it promptly to avoid getting stranded and to protect the catalytic converter from misfires.