The transmission depends on input from the vss, crank sensor, and tps for shift points. Assuming the speedometer is working, I recommend you run the test below on the tps. Also put the connector back on the tps and check the voltage on terminal VTA with the key on by probing the back of the connector. Open the throttle gradually and verify that the voltage increases linearly with throttle opening. If not, replace the tps.
Throttle Position Sensor
Throttle position sensors are usually mounted on the side of the throttle body. The sensor detects the throttle valve opening angle. The voltage of terminal VTA increases in proportion of the opening angle of the throttle valve. The ECM judges the driving conditions from the input signals of the terminals, and uses them as one of the conditions for deciding the air/fuel ratio correction, power increases and fuel cut-off control.
3VZ-E and 1FZ-FE Engines
E2 is the bottom terminal, while terminal IDL is positioned directly above it.
- Confirm that the throttle valve is fully closed.
- Connect an ohmmeter to terminals IDL and E2.
3. Insert a 0.020 in. (0.50mm) thick feeler gauge between the throttle stop screw and lever. Check for continuity between terminals IDL and E2 of the sensor. Continuity should be present.
4. Insert a 0.031 in. (0.80mm) thick feeler gauge between the throttle stop screw and lever. Check for continuity between terminals IDL and E2 of the sensor. Continuity should not be present.