Scion 90919-05026 Crank Position Sensor

The crankshaft position sensor (CKP) is responsible for determining the timing of fuel injection and ignition on each cylinder. In four-cylinder models, the sensor is located under the timing belt cover, while in V6 models, it is mounted outside the cover above the crankshaft pulley. To check the sensor, disconnect the electrical connector and use an ohmmeter to probe the terminals. If the test results are correct, there may be an issue with the harness or the PCM, which should be diagnosed if necessary. Removal of the sensor requires removing the timing belt cover on four-cylinder models and the inner fender shield on V6 models, disconnecting the electrical connector, and removing the bolt to detach the sensor. Installation is the reverse of removal.