The Infiniti P1564 Code is a diagnostic trouble code that indicates an issue with the ASCD steering switch on an Infiniti vehicle. This code is typically associated with Hybrid Models, so it is important to take caution when servicing a vehicle that has a high-voltage battery system. An excessively high voltage signal from the ASCD steering switch is sent to the ECM, and it is this signal that is out of the specified range. In order to determine the cause of the issue, the code must be diagnosed thoroughly, as it can be related to a variety of things such as the harness and connectors, the ASCD steering switch, and the ECM. It is essential that the issue be identified and rectified as soon as possible, as the MIL will not illuminate for this self-diagnosis.
Causes and Solutions of Infiniti P1564 Code
| Cause | Solution |
|---|---|
| Harness or connectors | Check for any open or shorted circuits in the ASCD switch. |
| ASCD steering switch | Replace the defective switch if needed. |
| ECM | Check the ECM for any faulty components. |
| DTC P0605 | Perform the trouble diagnosis for DTC P0605 first. |
Harness and Connectors
The first thing to consider when diagnosing the Infiniti P1564 Code is the harness and connectors. If these components are not correctly connected or wired, it can cause the code to appear. It is important to check for any open or shorted circuits in the ASCD switch. If any problems are found, the issue must be rectified as soon as possible.
ASCD Steering Switch
The ASCD steering switch is another common cause of the Infiniti P1564 Code. If the switch is malfunctioning or defective, it can cause an excessively high voltage signal to be sent to the ECM. If this is the case, then the switch must be replaced with a new one.
ECM
The ECM is the main control unit of the vehicle and is responsible for controlling all the systems. If there is a problem with the ECM, it can cause the code to appear. It is important to check the ECM for any faulty components that could be causing the code.
DTC P0605
The DTC P0605 code is often related to the Infiniti P1564 Code. It is important to perform the trouble diagnosis for DTC P0605 first before attempting to diagnose the Infiniti P1564 Code.
Conclusion
In conclusion, the Infiniti P1564 Code can be caused by a variety of things such as the harness and connectors, the ASCD steering switch, and the ECM. It is essential that the issue be identified and rectified as soon as possible, as the MIL will not illuminate for this self-diagnosis. By following the necessary steps and conducting a thorough diagnosis, any issues with the Infiniti P1564 Code can be rectified quickly and effectively.
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