toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Vehicle Speed Sensor > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Locations
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Throttle Position Sensor: Testing and Inspection

Fig. 36 Throttle position sensor test connections.

1C-TL & 2C-T Engines

1.

Disconnect electrical connector from throttle position sensor.

2.

Measure resistance between connector terminals Vc and E2, Fig. 36. Resistance should measure 3-7 ohms at 68°F.

3.

Ensure resistance between connector terminals E2 and that below Vc decreases as throttle lever is moved from closed to open position.

4.

Replace sensor if operation is not as described.

Vehicle Speed Sensor > < EFI Main Relay <--> [Main Relay (Computer/Fuel System)]|Locations