When the engine controller determines that the knock sensor is detecting a knocking noise, then the timing is delayed. This would be particularly noticeable during acceleration. P0325 Symptoms: Honda Accord The symptoms associated with P0325 are going to vary by engine and model year. Is the resistance more than 700 kΩ? Poor contact in knock sensor connector. Then, start the engine and make a few revolutions to see if it works normally. If engine knocking occurs, ignition timing will be suppressed to prevent it. Do you just have code P0325 questions and need some answers about Knock Sensor 1 Circuit Malfunction Bank 1 or Single Sensor? Didn't know much bout it but I found some info.
The number of knock sensors available to buy told me that this is a very common fault. This appears to be a single wire sensor, which grounds through the body. Obviously judge the safety of this for yourself but even if these blocks failed there was no crush risk, it just allowed some extra elbow room. Frayed or broken wiring, corroded wiring and connectors, or connectors that are unplugged are also strong candidates. When this happens the computer will operate as though it is getting no signal from the sensor at all. Look for any loose wiring or poor connection due to rust, damaged, or improperly seated terminals.
At this point you can start the engine and hopefully enjoy the lack of engine management light on your dashboard. Have you grounded out knock sensor wire and checked for a reading at pin 42 like in pic that should say if there is a short in wire. How can I test the sensor itself? This generally indicates an electrical fault related to the Knock Sensor, either with the sensor itself or with the connection between the sensor and the engine controller. . On to the replacement procedure. Whether you need P0325 diagnostic tree information, P0325 diagnosis tips, P0325 technical information, P0325 diagnostics, P0325 troubleshooting help, or just answers to your code P0325 question, the is the place to go! Many problems can easily be found in the harness and connectors. So I contacted my local Honda dealer and was surprised to hear they had one in stock.
Typical old-style knock sensor circuit Courtesy: alldata. This engine is found in lots of other Hondas Accord, Civic, Stream Stepwgn , so hopefully this information will be useful for lots of people. Obvious and less obvious clues something was wrong Clearly the obvious clue was when the engine management light came on. Then once again, tap on an engine location near the sensor. An old-style knock sensor Courtesy: autobarn. This P0325 Honda code may show up intermittently or the Service Engine light may be lit constantly. How is the sensor 1 working? Be careful with the trim clips, but some will probably break anyway.
I have a 2005 Honda Element which is equipped with a K24. Does anyone knows the cause of those codes. What repairs can fix the P0325 code? If there is no response, then you need to replace the knock sensor, or the wiring between the connector where the meter is attached and the knock sensor. Enter the 5 character trouble codes in the search box and submit the search. They can also take a little digging to get to, which makes replacing it the way to go. P0325 means that there is a malfunction within the knock sensor 1 in circuit bank 1. This generally occurs in situations where the timing of the spark and or fuel injection is advanced, or before top dead center.
Crank the engine, put the vehicle in gear and keep your foot on the brake. I found this a very satisfying fix. Thanks again for your clear and useful guide. Most of them bolt right into the block, which makes accessing them difficult. The knock sensor is used to determine when the engine is operating in a condition that results in a knock or pinging noise.
Connect a timing light to the vehicle and start the engine. Many of the items that are checked can be done much faster and more accurately with the live data stream these scan tools allow access to. This is often caused by coolant system issues or. Common Misdiagnosis Common causes of misdiagnosis include replacement of the knock sensor when another more serious engine malfunction is to be blamed. So to have a reasonable chance to successfully test one on the bench you really need to have a known good one to compare it to. For 1 wire sensor, connect the other lead to a ground on the engine.
So, begin your diagnosis by visually inspecting the sensor and its connection. Be aware that it is possible for a faulty sensor to still respond with a measured voltage output when you whack it. You can use cable ties as a temporary fix if you need to wait for more to arrive. Also after replacement an dclearing code hold at 3000-4000 rpm then return to idleif light comes on with same code then it may need a software update for pcm or pcm may be bad. The knock sensor is an important part of a feedback loop that ensures proper operation of your car.
Yes and no, depending on your patience, dexterity and the size of your hands. On my way home the engine light came on again as i expected but i decided not to go back to honda. This sensor will let the computer know to dial back the timing. But i'm thinking to replace it soon. If the wiring checks out ok then a sensor will probably need to be replaced.