20 Most Recent 2004 Infiniti Q45 - Page 7 Questions & Answers

Hello! There is a Hood Switch designed to operate the Alarm If the hood is opened when the car is locked with alarm set...The Hood Switch is affected by heat from the engine plus the ambient temperature...The wire colors on the two pin switch connector are...Black/Pink and Black...Replace the switch OR clip a wire across those two pins which tells the system the switch is permanently closed...If this doesn't work, try disconnecting the connector which leaves the switch permanently open...I believe if you short out the switch the system won't know and the trouble will be removed...Guru...saailer I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

The knock sensoris suppose to ****** the spark so you will not burn up a valve or cause other engine damage. They are replaceable and just screw into the engine block.