2. A malfunction of the crankshaft rotation sensor circuit is indicated by 1 flash of a red indicator and 1 green (indicators are located on the processor unit).
3. Disconnect the connector from the sensor (photo) and turn on the ignition.
5.3a Crankshaft rotation sensor connector on the K24 engine
1. connector
5.3b Crankshaft rotation sensor connector on the V6 engine
1. connector
4. Check for voltage between terminal A and ground (photo).
5.4 Checking for voltage at the sensor
5. Turn off the ignition and use an ohmmeter to check the circuit between terminal D and ground (photo).
5.5 Checking the sensor circuit for ground
6. If voltage is present and the ground circuit is OK, then contact a car service to check the processor unit and wiring.