The automobile fault code P0AF4 indicates a problem with the Inverter With Converter Assembly.

The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light. The cause of this fault code can be a faulty Inverter With Converter Assembly, an open or shorted harness, a poor electrical connection in the circuit, or a faulty HV Control ECU.

To fix this issue, you should visually inspect the wiring harness and connectors for any damage. Look for broken, bent, pushed out, or corroded pins in the connectors.

The repair time for this issue is estimated to be around 1.0. It is important to address this fault code promptly to prevent further damage to the vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p0af4 fault code.

  • The symptoms of the automobile fault code p0af4 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0af4 can be caused by a faulty inverter with converter assembly, an open or shorted harness, a poor electrical connection in the circuit, or a faulty HV control ECU.

  • The fault code p0af4 can be caused by: a faulty Inverter With Converter Assembly, an open or shorted Inverter With Converter Assembly harness, a poor electrical connection in the Inverter With Converter Assembly circuit, or a faulty HV Control ECU.

To fix the automobile fault code p0af4, start by checking the possible causes and visually inspecting the wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code p0af4, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
  • This fix is estimated to take approximately 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p0af4 include the estimated repair time of 1.0 hour. Most auto repair shops typically charge between $75 and $150 per hour for their services. These factors contribute to the overall cost of resolving the fault code.

The P0AF4 fault code refers to a problem with the Drive Motor Inverter Temperature Sensor ‘B’ Circuit.

This sensor is located in the inverter and is used by the HV control ECU to monitor the temperature of the motor inverter.

The inverter is cooled by the same system that cools the MG1 and MG2, and this cooling system is separate from the engine cooling system. The motor inverter temperature sensor has the same characteristics as the boost converter temperature sensor.

The HV control ECU uses the signals from this sensor to limit the load and ensure the effectiveness of the inverter cooling system, preventing it from overheating.

The code is triggered when there is a malfunction in the wiring of the motor inverter temperature sensor or in the sensor itself, causing the circuit to register a low temperature reading.

What are the possible causes for the automobile fault code p0af4?

If you see the engine light or service engine soon warning light on, the fault code P0AF4 could be the culprit. This code is often caused by a faulty inverter with converter assembly, an open or shorted harness, a poor electrical connection in the inverter with converter assembly circuit, or a faulty HV control ECU. To fix the issue, visually inspect the wiring harness and connectors, checking for any damage or broken, bent, pushed out, or corroded pins. Don’t forget to consider the possible causes mentioned above.

How can I visually inspect the wiring harness and connectors to fix the p0af4 fault code?

If you’re dealing with the p0af4 fault code and your engine light is on, it’s time to take a closer look at the wiring harness and connectors. The possible causes include a faulty inverter with converter assembly, an open or shorted harness, a poor electrical connection in the circuit, or a faulty HV control ECU. To fix the issue, visually inspect the wiring harness and connectors for any signs of damage. Check for broken, bent, pushed out, or corroded pins on the connectors. Don’t forget to examine the components as well.

What should I look for when checking for damaged components and connector’s pins to resolve the p0af4 fault code?

When resolving the p0af4 fault code, start by checking for damaged components and connector’s pins. Visually inspect the related wiring harness and connectors for any signs of damage. Look for broken, bent, pushed out, or corroded pins on the connectors. This can help identify any issues with the Inverter With Converter Assembly or the HV Control ECU. By addressing these possible causes, you can effectively fix the problem and clear the Engine Light or Service Engine Soon Warning Light.

p0af4 error fault code explained

If you’re seeing the Engine Light ON or the Service Engine Soon Warning Light, the p0af4 fault code might be the culprit. This code is usually caused by a faulty Inverter With Converter Assembly or issues with the wiring harness and electrical connections. To fix it, visually inspect the wiring and connectors, checking for any damage or corrosion.

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