Posted by fitz73222 on 06/14/16 - 12:15 PM
#4
Disconnect the cylinder head temp sensor wire where it connects to the harness. The connection will be under a black plastic tubing maybe 4-5" from the sensor in the head. Make sure the harness side of the connection does not touch ground. Turn the key on. If the alarm sounds, the warning module is defective, If the alarm does not sound its probably the sensor.