Question about Renault SCENIC
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Posted on Jan 02, 2017
SOURCE: Error Codes P1684 and P0340
Camshaft position sensor circuit
means the battery was disconnected(or had been drained to a low voltage) recently.
Posted on Jul 22, 2008
SOURCE: P0340 code
This indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - the sensor itself, the wiring, or the PCM.
A code P0340 could mean one or more of the following has happened:
Posted on Nov 21, 2008
The Camshaft Position (CMP) Sensor detects the position of the camshaft in order to identifiy when piston No. 1 is on its compression stroke. The CMP sensor is used for ignition timing in the Ford DIS igntion system, but not in the EDIS igntion system. Both DIS/EDIS use the CMP signal for synchronizing the firing of sequential fuel injectors.
On the 3.0L vulcan engine, the CMP signal is generated by a single Hall-Effect magnetic switch, activated by a single "vane" spinning around by virture of a synchronized shaft which is driven by the camshaft.
The CMP sensor & synchronizer/shaft are located behind the intake manifold (i.e., back near the firewall on a Ranger) on the top of the cylinder block. If you just need to replace the sensor, it is a simple job of unplugging the electrical connector and removing the screws holding the sensor in place. Here is a sketch of the sensor to give you an idea what to look for:
Posted on Feb 27, 2009
Hi, the cam shaft sensor will be located Under the hood, center, upper engine area, mounted behind
rear of intake manifold, in the engine block.
This is a magnetic or hall effect sensor. It sends a signal to the computer relaying information about shaft speed, position and acceleration or deceleration. This information determines when the fuel/air mixture needs to be ignited and how much mixture is needed for the engine.
The possible causes of failure will be faulty housing or faulty wires as well. A faulty ECM could trigger a false alarm as well. this is highly unlikely but, possible in most cases. The most reported reasons is flat out sensor failure.
Posted on May 21, 2009
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