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In this episode we'll be testing the Crankshaft Position Sensor REF (reference) - trouble code P1335. This sensor detects the Top Dead Center 120 degrees signal. The sensor consists of a permanent magnet, core and coil. When the engine is running, the gap between the sensor and the crankshaft pulley will periodically change. This change causes voltage signal in the sensor coil to change. The ECM receives the voltage and detects the TDC 120 degrees signal.
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Code P1335 is caused by the following:
- 120 degrees signal is not entered to the ECM during engine running.
- 120 degrees signal is not entered to the ECM for the first few seconds during engine cranking.
- 120 degrees signal cycle excessively changes during engine running.
Areas to look at:
- Crankshaft position sensor harness connector
- Crankshaft position sensor
- Starter motor and/or starting system.
As stated in the video, use Google Images, Google web search along with car specific websites to find diagrams, ohms/resistance readings, etc. for your specific vehicle. This vehicle is a '97 Nissan Maxima.
Note:
Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk. Carsntoys is a member of the Amazon Influencer Program.
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