Circuit Description

The CMP sensor ("G" signal) consist of a signal plate and pick-up coil. The "G" signal plate has 1-tooth on its outer circumference and is mounted on exhaust camshaft. DTC is set when either no cranking or engine running signal is received by ECM from sensor. Possible causes are:

• Open or short in CMP sensor circuit.
• CMP sensor.
• Starter.
• ECM.