1. We prepare the car for the operation (see "Vehicle preparation for maintenance and repair").
2. We release the clamp of the wiring harness block and disconnect the block from the throttle position sensor.
3. To check the health of the sensor, we connect the ohmmeter probes to the sensor terminals "IN" And "WITH" (terminal designations are printed on the wiring harness block). By turning the drive sector, we open the throttle. At the same time, for a serviceable sensor, the resistance should increase uniformly from 2.7 to 8.2 kOhm.
4. Connect "negative" voltmeter probe to "mass" engine.
5. To check the sensor circuit, turn on the ignition. By connecting "positive" voltmeter lead to terminal "A" wiring harness pads (pin numbering is printed on the block), measure the supply voltage.
Output voltage "A" the pads should be about 5 V. If the voltage is not supplied to the pad or it is significantly less than 5 V, the power circuit is faulty or the computer is faulty.
6. Turn off the ignition.
7. To remove the sensor with a Phillips screwdriver, unscrew the two screws securing it to the throttle body.
8. Remove the throttle position sensor from the damper axis. The connection of the sensor to the throttle body is sealed with a foam ring.
Installation
1. We install the sensor with the throttle closed, orienting it so that the segmented protrusion of the damper axis enters the groove of the sensor.
2. Connect the wiring harness block.