BE–148 BODY ELECTRICAL SYSTEM – THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM Engine Hood Courtesy Switch Circuit CIRCUIT DESCRIPTION The engine hood courtesy switch is built into the engine hood lock assembly and goes on when the engine hood is opened and goes off when the engine hood is closed. WIRING DIAGRAM T9 Theft Deterrent and Door Lock ECU 12 V Engine Hood Courtesy Switch 2 1 V-R 4 IB6 V-R 9 IF3 V-R FOD 14 W-B EA N08553