Circuit Description

Crankshaft Position (CKP) sensor is a pick-up coil mounted next to crankshaft pulley. A 34-tooth signal plate is mounted to crankshaft. Code is set when either no cranking or engine running signal is received by ECM from sensor. Possible causes are:

• CKP sensor open or short circuit.
• CKP sensor.
• Starter.
• ECM.