Camry fault code C1336, Camry fault code C

C1336 (Deceleration sensor zero correction.)

B1497 Communication Failure (BUSIC) Definition: Communication interruption or signal abnormality in the communication bus. Basis:

At present, several damper motors (circulation, hybrid, mode) of automobile automatic air conditioners are connected to each motor in turn by a communication bus that connects in series (the motor is separated from the motor plug and the line inlet is divided, so disconnecting the plug will not disconnect the bus). The motor is a miniature ECU with its own address. Instructions are executed according to the address in the communication packet.

Generally three wires. If some of the damper motors do not operate due to the breakage or jamming of the mechanism, resulting in the abnormal function of the corresponding damper, such as the temperature on the left side can not change (note that it is' No change', the knob can be adjusted, the temperature display is changing, the actual damper does not move, the temperature does not change) at the same time B1497, (according to the actual maintenance according to the position of the broken wire, there may be one or more dampers do not move), congratulations, the communication bus has a short circuit, because it is distributed around the evaporation box, the short circuit position may not be seen without dismantling the assembly, but you can use a multimeter to detect the on/off to find the area of the short circuit, and then determine the maintenance workload.

Hello, it is recommended to go to the 4S store to check it out.

Now the car is electronically controlled engine, there are a lot of sensors to detect the working condition of the engine, and then the signal is fed back to the computer, after the computer analysis and comparison, and then to control the fuel injection ignition and air intake, if the engine sensor detection is problematic, the computer will report the fault code, to remind the owner, the engine needs to be tested and repaired, so we have to find out the cause of this failure, there are often the following reasons, for reference only: 1. The sensor is damaged, the contact is poor or the signal is interrupted; 2. Poor engine maintenance; 3. The quality of fuel and oil is not good; 4. The combustion of the mixture is insufficient; 5. Spark plug failure, ignition coil failure; 6. The fuel pump is faulty and the oil circuit is blocked; 7. The air conditioner filter is blocked.

The specific situation is analyzed as follows; 1. Sensor problems; The sensors mentioned here include water temperature, crankshaft position, air flow, intake air temperature, oxygen sensor, etc., when these sensors are damaged, poor contact or signal interruption, the ECU of the car can not accurately obtain the engine data, at this time it will cause the engine fault light to turn on. 2. Maintenance problems; Poor engine maintenance is the most common cause of engine failure to light up. We know that the vehicle has a certain maintenance cycle, if the owner does not maintain on time, coupled with bad driving habits, then it will increase the burden of engine operation, and finally can only remind you through the fault light to care about your car 3, oil quality problems; The oil quality here includes fuel and engine oil, we know that the fuel filled by the car is generally marked, and the engine oil is also semi-synthetic and fully synthetic, the manufacturer will generally recommend the owner to use which grade of fuel, which type of engine oil, if the owner does not add as required, it will cause wear and tear of the engine in the long run, and the fault light is not to blame.

Poor combustion of the mixture; The failure of the spark plug, ignition coil, fuel pump, and oil circuit blockage of the engine will cause poor combustion of the engine mixture. Poor combustion of the mixture is caused by the problem of engine carbon deposition or knocking, and these will eventually be detected by the engine's oxygen sensor and reported to the ECU, which will naturally turn on the fault light to warn of the intake air intake problem; When the engine burns, it needs to take intake, the air filter element is very important in this process, if the air filter element of the car is not clean, it will affect the air intake of the car if it is not cleaned regularly, and it will be blocked for a long time, and if it is serious, it will cause the engine failure light to turn on. pressurization issues; Intake booster lines and turbochargers can also cause engine failure lights to illuminate.

The most common of these is turbocharger damage, while the vehicle can also experience symptoms such as oil leakage, high oil consumption, loss of power, metal noise, and blue or black smoke from the exhaust pipe. 7. Exhaust problems; Rear oxygen sensor, three-way catalytic converter, exhaust camshaft and bearing. The most common of these is a failure of the three-way catalytic converter that causes the engine failure light to illuminate.

The use of leaded gasoline, the use of leaded or silicone lubricant additives, the bump of the three-way catalytic converter, and the failure of the engine oil supply system are some of the factors that can easily cause the failure of the three-way catalytic converter.

Summary. Kiss <>

Extension: Fault Code Definition: 1

The sensor is transmitting an incorrect signal, which is a fault of the sensor itself and a fault of the line. 2.The control logic error, that is, the information received by the control unit conflicts with each other and cannot be executed, and the fault code will also be stored, but the fault location displayed at this time is not accurate, and we need to analyze and judge according to the control logic of the relevant components.

Camry fault code B1866

What is the Camry fault code B1866 and what is to be replaced?

Hello, happy to answer your <>

Camry fault code B1866: Loss of high-to-traffic header information of the controller's LAN CAN data connection. There are open and open circuits in the passenger-side detonation device circuit of the knee air bag.

The internal fault of the transmission Qi Digital is different from the original fault code, and the fault code P1866 drive system data bus information is missing.

Dear, Camry fault code B1866 is the loss of the information of the controller LAN CAN data even after the line is stared. The built-in collision sensor is malfunctioning. I need to replace the sensor limbs and them.

Is it to replace the airbag hairspring?

Dear, yes. It's to replace the airbag hairspring.

Well, thanks! Kiss <>

Extension: Fault Code Definition: 1

The sensor is transmitting an incorrect signal, which is a fault of the sensor itself and a fault of the line. 2.The control logic is wrong, that is, the information received by the control unit conflicts with each other and cannot be executed, at this time, Zheng Yuan will store the fault code, but the fault location displayed at this time is not accurate, and we need to analyze and judge according to the control logic of the relevant component of the plexus.

Summary. Kiss, first extract the fault code is 31 (front right wheel speed sensor (front left wheel speed sensor), 33 (rear right wheel speed sensor), 34 (rear left wheel speed sensor). The analysis believes that the possibility of damage or defect at the same time is very small for the four wheel speed sensors and related circuits, and the fault point may be the failure or interference of the ECU, because the other control systems of the vehicle work normally, the possibility of ECU failure is also small, and finally the fault point is locked in the electromagnetic interference.

After searching, it was found that the shielded cable of the wheel speed sensor was severely worn. Because the ABS sensor of the car is electromagnetic, the signal voltage generated when working in the low-speed area is extremely weak, and the ABS needs to rely on a highly sensitive signal voltage to adjust the size of the wheel braking force through the ECU.

Toyota Camry fault code C0274ABS

Hello dear, Toyota Camry fault code C0274ABS is the fault phenomenon of ABS system alarm.

Kiss, first extract the fault code is 31 (front right wheel speed sensor (front left wheel speed sensor), 33 (rear right wheel speed sensor), 34 (rear left wheel speed sensor). The analysis believes that the possibility of damage or defect at the same time is very small for the four wheel speed sensors and related circuits, and the fault point may be the failure or interference of the ECU, because the other control systems of the vehicle work normally, the possibility of ECU failure is also small, and finally the fault point is locked in the electromagnetic interference. After searching, it was found that the shielded cable of the wheel speed sensor was severely worn.

Because the ABS sensor of the car is electromagnetic, the signal voltage generated when working in the low-speed area is extremely weak, and the ABS needs to rely on a highly sensitive signal voltage to adjust the size of the wheel braking force through the ECU.

In order to ensure the accuracy of the signal, the wheel speed sensor is provided with a shielding net, once the shielding net is damaged, the high-frequency electromagnetic wave on the car will interfere with the normal operation of the wheel speed sensor, resulting in ABS failure or malfunction, and the fault self-diagnosis system will send out an alarm. Fix the fault point, clear the fault code, test everything is normal, troubleshooting.

In 02, there was a B short circuit in the relay circuit of the Toyota Camry motor.

Hello, 2 years Toyota Camry motor relay circuit existence b short circuit repair method is as follows, remove the sensor, with a wallpaper knife to gently cut the sensor coil and wire joint. Here 1 thread has fallen off. Measure 2 wires and measure their resistance within the normal range.

After re-welding and installation, reinstall it on the wheel according to the specified torque, and ensure that the gap between the sensor head and the ring gear is 1 when re-installing.

The Camry P040314 fault code and the corresponding fault location are as follows:

Fault-specific** Fault description.

P1420 Evaporative Discharge (EVAP) System - Low leakage P1170 Inlet Inlet Injector Performance.

P1663 Oil Control Valve Variable Valve Timing - Fault (Row 2)P1120 Accelerator Pedal Position (Plex App) Sensor - Circuit Fault P106A Evaporation Control (EVAP) Pressure Lift Bright Force Transducer Manifold Absolute Pressure (MAP) Sensors - Relevance.

P1440 Secondary Air Injection Switching Valve, Row 1 - Circuit FaultP1730 Intermediate Shaft Speed Sensor.

P1572 Cruise Control LiDAR Sensor - Laser Beam Alignment Direction is IncorrectP1566 Cruise Control Switch - Circuit Fault.

P1451 Fuel Tank Pressure Sensor - Range Performance.