A detonation error can be caused by various reasons - a low or very high signal from it to the electronic engine control unit (ECU), a circuit error, an out-of-range voltage or signal range, as well as a complete failure of the knock sensor (hereinafter referred to as DS), which happens very rarely. However, in any case, the Check Engine light on the car’s dashboard is activated, symbolizing the occurrence of a malfunction, and when the engine is running, there is a deterioration in dynamics, dips in speed and an increase in fuel consumption. Often, “dzhekichana” can be detected as a result of using bad fuel, but often it’s all about the contact and wiring of the motor. The error code can be easily read using diagnostic scanners. For an explanation of all knock sensor errors, indicating the causes and methods for eliminating them, see below.
There are actually four knock sensor errors - P0325, P0326, P0327 and P0328. However, the conditions for their formation, external signs, and methods of elimination are very similar, and sometimes identical. These diagnostic codes cannot specifically report the cause of the failure, but they can point you in the direction of troubleshooting the knock sensor circuit. Quite often, this is a bad contact in connecting the sensor to the connector or in the contact of its surface to the engine, but sometimes the sensor really fails (cannot be repaired, only replacement is possible). Therefore, first of all, the operation of the engine knock sensor is checked.
How does a mechanic diagnose a P0328 code?
When diagnosing this error code, a mechanic will do the following:
- Connects the OBD-II scanner to the vehicle's diagnostic connector and reads all stored data and error codes
- Clear error codes from the ECM and test drive the vehicle to see if P0328 appears again
- Find out if the engine makes a lot of noise during operation
- Inspect the knock sensor for damage
- Check the cooling system as well as the engine for damage
- Checks the octane number of the fuel, as well as the fuel system
- Check the knock sensor voltage
- Checks engine coolant temperature and fuel pressure
- Will check the ECM according to the manufacturer's procedure
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Individual Sensor)
OBD-II Trouble Code Technical Description
Knock Sensor 1 Circuit High Input (Bank 1 or Separate Sensor)
What does it mean?
This diagnostic trouble code (DTC) is a generic transmission code, which means it applies to OBD-II equipped vehicles. Although general, specific repair steps may vary depending on the make/model.
Knock sensors are used to detect pre-knock of the engine (knock or horn). The knock sensor (KS) is usually a two-wire type. A 5 volt link is applied to the sensor and there is a reflected signal from the knock sensor to the PCM (powertrain control module).
The sensor signal wire informs the PCM when detonation occurs and to what severity. The PCM will retard ignition timing to avoid premature detonation. Most PCMs are capable of detecting spark knock trends in an engine during normal operation.
The P0328 code is a general diagnostic trouble code, so it applies to all makes of vehicles and refers to a high knock sensor voltage output. In many cases, this means the voltage is higher than 4.5 V, but this specific value depends on the specific make and model of the vehicle. This code refers to the sensor on bank #1.
Symptoms
Symptoms of a P0328 trouble code may include:
- MIL (Malfunction Indicator Light) Illumination
- A knock is heard from the engine compartment
- Engine noise when accelerating
- Power Loss
- Irregular rotation speed
Causes
Possible causes of the P0328 code include:
- Knock sensor connector damaged
- Knock sensor circuit open or short to ground
- Knock sensor circuit shorted to voltage
- Knock sensor failure
- Knock sensor loose
- Electrical noise in the circuit
- Low fuel pressure
- Incorrect fuel octane number
- Mechanical motor problem
- Faulty/faulty PCM
Possible solutions
If you hear engine knocking (knocking), first eliminate the source of the mechanical problem and recheck. Make sure the correct octane fuel was used (some engines require premium fuel, see owner's manual). Additionally, for this code, the problem will most likely be with either the knock sensor itself or the wiring and connectors running from the sensor to the PCM.
In fact, for a DIY car owner, the best next step is to measure the resistance between the two terminals of the knock sensor wires where they enter the PCM. Also check the voltage at the same terminals. Compare these numbers to the manufacturer's specifications. Also check all wiring and connectors running from the knock sensor back to the PCM. Additionally, you should also check the resistance with a Digital Volt-Ohm Meter (DVOM) of the knock sensor itself, compare it with the vehicle manufacturers specification. If the resistance value of the knock sensor is not normal, it must be replaced.
Other knock sensor fault codes: P0324, P0325, P0326, P0327, P0328, P0329, P0330, P0331, P0332, P0334
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From english:
Decoding the error P0328 from Mazda: Ignition Coil 1 Control Circuit
Make:
Mazda
Code:
P0328
Definition:
Ignition Coil 1 Control Circuit
Description:
The ignition is ON.DTC P0351-P0358 runs continuously when the above condition is met.The ECM detects an open,short to ground,short to voltage on the IC circuit.Note: An IC circuit fault condition will result in an engine misfire, and under certain driving conditions could possibly overheat the 3-way catalytic converter.
Cause:
- Ignition coil
- ECM has failed
On which cars is this problem most common?
The problem with code P0328 can occur on different machines, but there are always statistics on which brands this error occurs more often. Here is a list of some of them:
- Audi (Audi a4)
- Chevrolet (Chevrolet Captiva)
- Hyundai (Hyundai Accent, Elantra)
- Infiniti (Infiniti fx35)
- Kia (Kia Sid, Cerato)
- Lexus
- Mazda (Mazda 2, Mazda 3, Mazda 6, Demio, Premasi)
- Nissan (Nissan Almera, Xterra, Murano, Teana, Frontier)
- Opel (Opel Astra)
- Skoda (Skoda Octavia)
- Subaru (Subaru Outback, Tribeca, Forester)
- Suzuki
- Toyota (Toyota Avensis, Camry, Rav4, Sienna)
- Volkswagen (Volkswagen Passat, Polo)
- VAZ 2109, 2110, 2112, 2114, 2115
- Lada Kalina, Niva, Priora
With fault code P0328, you can sometimes encounter other errors. The most common ones are: P0132, P0152, P0158, P0171, P0183, P0324, P0325, P0326, P0327, P0329, P0330, P0331, P0332, P0333, P0334, P0400, P0451, P0463, P0496.
Symptoms of malfunction
The main driver symptom of P0328 is the MIL (Malfunction Indicator Light). It is also called Check engine or simply “check light”.
They can also appear as:
- The “Check engine” warning light on the control panel will light up (the code will be stored in memory as a malfunction).
- The motor can operate, but with reduced performance (drop in power).
- Jerking and detonation in the engine.
- Increased fuel consumption.
- There may be no symptoms other than a stored DTC.
This error is not considered very serious. When it appears, serious problems with the car's handling are unlikely to arise, but a slight drop in engine power is possible.
P0328 Knock Sensor Circuit High Input
Repair importance level: 2/3
P0328 Possible causes
- Knock sensor faulty
- Poor electrical connection in the knock sensor circuit
- Knock sensor wiring harness open or shorted
- Faulty Engine Control Module (ECM)
How to fix code P0328?
Check the "Possible Causes" listed above. Inspect the associated wiring harness and connectors. Check for damaged components and look for broken, bent, pulled out, or corroded connector pins.
Technical Notes
Code P0328 means the knock sensor is not working properly. Problems with the knock sensor will not cause problems with engine performance. Replacing the knock sensor usually solves the problem.
Cost to diagnose code P0328
Labor: 1.0
The cost to diagnose a P0328 code is 1.0 labor hour. The cost of car repairs depends on the location, the make and model of your car, and even the type of engine. Most auto repair shops charge between $75 and $150 per hour.
When is the code discovered?
Excessively high voltage from the sensor is transmitted to the electronic control module (ECM).
Possible symptoms
- Engine light (or engine service warning light) is on
- Possible loss/loss of power
P0328 Description
Knock vibration from the cylinder block is sensed by the knock sensor as vibration pressure. This pressure is converted into a voltage signal and sent to the engine control module ( ECM
).
The ECM
uses this signal to retard ignition timing and protect the engine from this harmful pre-ignition. Engine detonation occurs in a certain frequency range. A knock sensor located in the cylinder block, cylinder head or intake manifold is tuned to detect this frequency. There is a piezoelectric element inside the knock sensor. Piezoelectric elements generate voltage when pressure or vibration is applied to them. The piezoelectric element in the knock sensor is tuned to the engine's knock frequency. The vibration from engine detonation causes the piezoelectric element to vibrate, generating voltage. The knock sensor output voltage is highest at this time.
Manufacturer information
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Diagnostics and error codes Mazda 3
Mazda 3 diagnostics allows you to identify problems in the car system, as well as take independent measures to eliminate them. Diagnostic equipment is connected via a special connector. All operations can be carried out independently. Let's consider the correct procedure for diagnosing fault codes, as well as the most common errors for Mazda 3.
P0328 MAZDA Knock Sensor Circuit High Input
Repair importance level: 2/3
P0328 MAZDA Possible Causes
- Knock sensor faulty
- Poor electrical connection in the knock sensor circuit
- Knock sensor wiring harness open or shorted
- Faulty Engine Control Module (ECM)
How to fix code P0328 MAZDA?
Check the "Possible Causes" listed above. Inspect the associated wiring harness and connectors. Check for damaged components and look for broken, bent, pulled out, or corroded connector pins.
Technical Notes
Code P0328 means the knock sensor is not working properly. Problems with the knock sensor will not cause problems with engine performance. Replacing the knock sensor usually solves the problem.
Cost of diagnosing P0328 MAZDA code
Labor: 1.0
The cost of diagnosing the P0328 MAZDA code is 1.0 hour of labor. The cost of car repairs depends on the location, the make and model of your car, and even the type of engine. Most auto repair shops charge between $75 and $150 per hour.
When is the code discovered?
Excessively high voltage from the sensor is transmitted to the electronic control module (ECM).
Possible symptoms
- Engine light (or engine service warning light) is on
- Possible loss/loss of power
P0328 MAZDA Description
The knock sensor is attached to the cylinder block. It detects engine knock using a piezoelectric element. The knock vibration of the cylinder block is perceived as vibration pressure. This pressure is converted into a voltage signal and sent to the engine control module ( ECM
).
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