How to diagnose Santana 2000 throttle plug-in voltage

1. First, turn off the engine, open the hood of the vehicle and find the position of the throttle plug-in.

2. Secondly, use digital voltmeter or multifunctional ammeter to set DC voltage measurement function.

3. Then, connect the positive probe of voltmeter to the terminal marked with power supply in the throttle plug-in.

4. Then, connect the negative probe of the voltmeter to the ground terminal on the throttle plug-in.

5. Then, turn the ignition switch of the vehicle to the ON position, and do not start the engine.

6. Finally, the voltage value of the plug-in can be read.