Engine-Codes - Scion - P0340 Scion

P0340 Scion Code - Camshaft Position Sensor Circuit Malfunction

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- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents

What are the Possible Causes of the Code P0340 Scion?

  • Faulty Camshaft Position Sensor (For Intake Camshaft)
  • Camshaft Position Sensor harness is open or shorted
  • Camshaft Position Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the P0340 Scion Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the Cost to Diagnose the Code P0340 Scion?

Labor: 1.0

The cost to diagnose the P0340 Scion code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

Does your Scion have Safety Recalls? → Check here

What are Code P0340 Scion Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of Power
  • Engine Stall

What Does the P0340 Scion Code Mean?

The Camshaft Position Sensor for the intake camshaft consists of a magnet and MRE (Magneto Resistance Element). The camshaft has a timing rotor for the camshaft position sensor. When the camshaft rotates, changes occur in the air gaps between the timing rotor and MRE, which affects the magnetic field. As a result, the resistance of the MRE material fluctuates. The camshaft position sensor converts the camshaft rotation data to pulse signals, uses the pulse signals to determine the camshaft angle, and sends it to the Engine Control Module (ECM). Then the ECM uses this data to control fuel injection and injection timing.
If no pulse signal is transmitted by the camshaft position sensor despite the camshaft rotating, or the rotation of the camshaft and the crankshaft is not synchronized, the ECM interprets this as a malfunction of the sensor. Also, when the sensor output voltage remains at below 0.3 V, or higher than 4.7 V for more than 4 seconds, the ECM stores a Diagnostic Trouble Code (DTC).

P0340 Scion Code - Camshaft Position Sensor Circuit Malfunction

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Information for Specific Scion Models

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