![]() ![]() They are called sensor ground, signal, and power supply, respectively. Overall, the sensor will feature three wires in distinct colors (the color codes are not the same for every car, so do your research or ask the manufacturer before starting). For a proper and safe inspection, never forget to trace along with this precise order described below: The car’s wiring section varies across vehicle brands. It’s time we turn our attention to the wiring instead, whose ECU signals might undergo problems.įor that precise reason, we should test the wiring harnesses to identify whatever defects are hidden at the moment – and find appropriate ways to fix them! What if relearning processes fail to remove the dilemma – and that annoying cam sensor code still shows up? Congratulations you have succeeded! Although small adjustments might be necessary here and there for some cars, most models share the same process as the one instructed above. Now that the expected temp is reached, your car will start its relearn process immediately without further prompting. You can accelerate your car to increase those temps faster. Now, you need to wait for some time until the coolant temperature achieves the required benchmark. The scanner then asks you to kick-start your engine. Make sure you read everything from beginning to end to understand what you need to do next. Once done, enter the section “Special Function” and keep scrolling until you reach “Cam crank relearning”.Ī window will pop out, informing you how and when sensor relearning is required. Then hit Control Unit > Powertrain > ECM. ![]() On another note, if your budget affords it, purchasing a MaxiSys scanner might do the job much quicker. ![]() Another way is to hit “Auto Detect”, which will read the system automatically. Now turn on OBD2 to choose your model and vehicle brand. Switch on your car and connect it to a scanner tool (OBD2). Hence, we strongly recommend you follow our suggested steps to help the position sensor relearn its information: In most cases, no sensor relearning after replacement means your ECU might still store old data, causing the camshaft position sensor code to turn up. Scroll for more detail! Method 1: Recalibrate or Relearn The Sensor There are five methods to fix the error of check engine light still on after replacing camshaft position sensor. How To Fix Check Engine Light Still On After Replacing Crankshaft Position Sensor Untreated defects or faulty operations in these devices will likely lead to a manifestation of the P0340 camshaft code. “Starter motor” refers to small-sized electric motors used for engine kick-starting. ![]() This case is not that common, but it’s still worth a second look if all the other three scenarios do not fit your current situation. Your best bet is to get new sensors from a more trustworthy source or retailer! Faulty Starter Motors Though you might argue that it’s new, keep in mind that not every local store sells high-quality products. We cannot rule out the possibility that it’s not the other automobile compartments – but the sensors themselves – that suffer from technical defects. When they get damaged, no electricity supply is available for these two systems, causing the P0340 error to turn its ugly head! Defective Position Sensors Its overall purpose is to pass through the sensor’s teeth and interrupt its magnetic field.Īs a result, these wheels generate electric signals used by PCM and ECM. They refer to several notched wheels tightly attached to your cam-shaft. Damaged Reluctor Wheels In The Detectorsįirst of all, it’s important to understand what reluctant wheels are. Hence, once the wiring or electrical connector of these sensors encounters unexpected problems, the P0340 error will likely occur.īad grounds, loose connections, or damaged wires are also some possible culprits behind the code’s sudden appearance. Remember that camshaft position sensors always rely on electricity for their smooth runs. Though every model differs from the other, it’s safe to say that at least one of these four triggers is to blame: circuit issues, damaged reluctor wheel, defective sensors, or faulty start motors. ![]()
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