Audi Q7: Interior Lights, Switches

 Windshield Defogger Control Module -J505-, Removing and Installing

  Note Information regarding the Windshield Defogger Control Module -J505- and activation of the Windshield Defogger -Z2-. Refer to → Chapter "Windshield Defogger". Removing - Turn off the ignition. - Remove the glove compartment. Refer to → Body Interior; Rep. G

 Knock Sensor 1 - G61-, Checking

General Description The Knock Sensor 1 -G61- is a tuned accelerometer on the engine which converts engine vibration to an electrical signal. The Engine Control Module -J623- uses this signal to determine the presence of engine knock and to retard spark timing, if necessary. Special tools and wor