How to measure the throttle pressure of automobile

Throttle 1, resistance measurement: measure VTA-E2 terminal with multimeter Ω, and turn the throttle, and the resistance value changes continuously with the opening without interruption. 2. Voltage measurement: When the ignition switch is turned on, it changes uniformly with the opening value without interruption. 3. IDL-E2 contact detection: measure IDL-E2 terminal with multimeter, turn on ignition switch to measure voltage, turn off throttle at 0V, and turn on 65438.