Operation CHARM: Car repair manuals for everyone.

Using the Engine Signal Monitor

1. Verify that the throttle valve is at the closed throttle position.




2. Disconnect the throttle position sensor connector.
3. Turn the ignition switch to ON.
4. Measure the voltage at the harness side connector terminal A by using a voltmeter.

Specification: 4.5-5.5 V

5. Connect the throttle position sensor connector.
6. Remove the PCM.




7. Connect the Special Service Tools (Monitor, Engine Signal and Adapter Harness) to the PCM.
8. Verify that the throttle valve is at the closed throttle position.
9. Turn the ignition switch to ON.




10. Loosen the throttle position sensor screws.
11. Using the Special Service Tools, adjust the throttle position sensor so that PCM terminal 3D voltage is within the specification.




12. Tighten the throttle position sensor screw.

Tightening torque: 1.6-2.3 Nm (16-24 kgf.cm 14-20 in.lbs.)

13. Fully open the throttle valve and verify that the voltage at PCM terminal 3D is within the specification.




14. If not as specified, replace the throttle position sensor.
15. Adjust the throttle position sensor after installation.