2012 911 Section 9-1 11/3/11 10:30 AM Page 242
911 Carrera 911 Carrera S
Electrics and electronics
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Other functions • Anti-removal lock for ignition lock/P switch • Central locking antenna (windshield - remote control) • Switch/glove compartment light (+) • Washer fluid level sensor • Crash signal (PWM) • Terminal 15 - heated washer jets • Two-tone horn relay • Tank cap actuating element • Dual washer pump f/r
9.6 Rear-end electronics control unit The rear-end electronics control unit communicates with the gateway via CAN Comfort. The rear-end electronics control unit includes several function groups and functions. These will be explained in more detail below.
Lighting function group The daytime running lights (front left/right) are controlled by way of a CAN signal from the front-end electronics control unit. The rear left and right brake lights and the high-level brake light are controlled by a hard-wired signal from the brake light 9_59_11
switch and via a CAN signal (redundant). The back-up lights are activated by a switch on vehicles with manual transmission and by a CAN signal from the selector lever in the case of automatic transmissions. The tail lights, rear fog lights and license plate lighting are also connected to this control unit.
Other lighting functions: • Terminal control G1 (comfort lighting) • Engine compartment light • Luggage tray light • Ambient light (rear interior light left/right) • Door sill lighting
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• Headlight cleaning system
