Common Misdiagnosis Antilock brake sensors are frequently replaced in error when attempting to diagnose a vehicle speed sensor code. The target engine speed is the lowest speed at which the engine can operate steadily. When the check engine light comes Honda Accord P0501 code on the first you should check is the gas cap. Using scan tool, check intake air temperature. The solution is here : Honda Accord P0501 Possible Solution : Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. The information contained on this site is presented for informational purposes only.
Do you have a replacement one or do you still have to purchase one? Enter the 5 character trouble codes in the search box and submit the search. I've replaced the speed sensor when I first got the car about 4 years ago. I had to do this many time with my car. The determines the vehicle speed based on the frequency of these pulse signals. If -4 F -20 C or less is indicated, go to next step.
EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. There are no gear shifting as pullies and V-belt type of chains are used for varying the gear ratios. Using scan tool, check vehicle speed. The location of the sensor depends on your vehicle. You should also check that the spark plug gap is set properly. If -4 F -20 C or less is indicated, go to next step.
The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. If antilock brake codes are present, the related condition could be a contributing factor in this vehicle speed sensor code. What repairs can fix the P0501 code? I drove the car for almost five hundred miles then the speedometer was intermittent again and the check engine light went on. The speed sensor can be inside or outside the transmission. The speedometer is electronically controlled by a speed sensor located on the transmission. I know this is the speed sensor code. The currently selected is for the Honda makes.
If you have any doubt as to repairs on your vehicle, please contact your technician. Mar 25, 2015 My 96 did the same thing. What causes the P0501 code? Using scan tool, check intake air temperature. After this signal is converted into a P0501 code. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Inside is very expensive to fix; outside shouldn't be too much - unless they have to drop the transmission to access it. If correct speed is indicated, problem is intermittent, system is okay at this time.
Diagnose codes in the order in which they are stored. Scanning your car woudl let you know what is happening, especially if you get a P0501 - which is for the speed sensor. I can tell you step by step how to get the dash apart if you want. Will it also be a faulty signal generator? If your spark plugs look good, problems with your ignition system can also preventing a spark. This valve is actuated by a step motor built into the valve, which moves the valve in the axial direction in steps corresponding to the Engine Control Module output signals.
Common Causes The most common cause of this malfunction is related to a faulty vehicle speed sensor. While changing my front brakes, I noticed that the sprocket pickup for the speed sensor on the front passenger side half shaft that works with the sensor was cracked and ready to fall off. After this signal is converted into a more precise rectangular waveform by the waveform shaping circuit inside the combination meter, it is then transmitted to the Engine Control Module. Please or to join the conversation. Author is the editor of AccurateAutoAdvice. The Chilton's manual has pretty good instructions on how to replace the instrument cluster. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.
P0501 Honda Description The vehicle speed sensor outputs a 4 pulse signal for every revolution of the rotor shaft, which is rotated by the transmission output shaft via the driven gear. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. The fix is pretty straight forward as you can see but the diagnosis can be tricky at times. If -4 F -20 C or less is not indicated, problem is intermittent. There is a wire that goes from that sensor to the speedometer in the instrument cluster. The optimum value stored in the is determined by taking into consideration various engine conditions, such as during warm-up, deceleration, and engine load air conditioner, power steering, and cooling fan operation.