How do I adjust my electronic throttle control?
How do you adjust a throttle body sensor? Loosen the throttle position sensor retaining screw with a Phillips-head screwdriver. Adjust the TPS by moving it back and forth until the voltage is between 4.0 and 5.5 volts. Hold the TPS in place and tighten the retaining screw with the Phillips-head screwdriver.
How do I fix error code P2138?
What repairs can fix the P2138 code?
- Replacing the throttle body motor or throttle body assembly.
- Repairing or replacing wiring that is associated with the throttle body motor.
- Replacing the throttle position sensor.
- Repairing or replacing wiring that is associated with the throttle position sensor.
What does the throttle position sensor on a Toyota Corolla mean?
This tells you that the throttle position sensor (TPS) on your Corolla has a problem. Before condemning the TPS to the scrap heap, you need to make sure that it’s getting both power and Ground.
How do you adjust the throttle cable on a Toyota?
Check that the throttle valve is fully closed. Check that the inner cable is NOT slack. Measure the distance between the outer cable end and stopper on the cable. Standard boot and cable stopper distance should be 0-0.04 inch 90-1mm). If the distance is not within specifications, adjust the cable using the adjusting nuts.
When to replace the TPS on a Toyota Corolla?
If the voltage increases/decreases as the throttle plate opens/closes, then we can conclude the TPS is OK. If the throttle angle voltage does not increase/decrease as you open/close the throttle plate, then you can conclude the TPS has failed and needs to be replaced.
What happens when the throttle position sensor fails?
Either On-Board-Diagnostic (OBD) systems are designed to set a throttle position sensor trouble code when the sensor fails. Here’s a basic list of symptoms you’ll see: Check engine light (CEL) is illuminated on your Corolla’s instrument panel.