How to do A/C Relay Actuator Test on Sany C8 with X431 PAD5

 This guide provides a straightforward walkthrough for performing an A/C Relay Actuator Test on a 2020 Sany C8 using the Launch X431 PAD5 Elite. This diagnostic procedure is essential for verifying relay functionality and troubleshooting climate control issues in heavy-duty machinery.

Prerequisites for Testing

Before starting the test, ensure the following conditions are met to avoid execution failure:

• Ignition Status: T15 must be powered on.
• Engine State: Engine speed must be 0 RPM.
• Vehicle Movement: Vehicle speed must be 0 km/h.
• Duration: The test will automatically stop after 30 seconds.

Step-by-Step Operation Guide

Step 1: Vehicle Selection

1. Navigate to Local Diagnose >> Construction >> Sany
2. Tap OK to enter the diagnostic menu.

Step 2: System Identification

1. Go to Engine System >> Weichai Engine >> Automatic recognition >> Weichai engine automatic recognition >> WISEC10-P201-V174
2. Click OK to confirm vehicle information.

Step 3: Actuator Test Execution

1. Enter the Actuator test >> A/C relay actuator test
2. To Open: Click Open. The screen will display "Execution successful" once the relay activates.
3. To Close: Click Close. The screen will confirm "Execution successful".

Video Guide:

https://youtu.be/z-mlLEvSbgw

Conclusion

Once the relay has been toggled and verified, the X431 PAD 5 operation is complete. This quick test allows technicians to instantly determine if the A/C issue lies within the electronic control side or the mechanical components of the compressor.

www.x431shop.eu