2753512 - E2031 REAR FOG LAMPS - Functional description

Functional description

The rear foglamp activation control is issued by a key inside control panel H090. Body computer node M001 receives a negative signal (referring to earth C020 connector B) at pin7 connector N.

The rear fog lamp is turned on under the following conditions:

• if pins 7 and 6 of connector P receive a side light See E2010  SIDE LIGHTS / NO. PLATE LIGHTSand low beam See E2011  DIPPED HEADLAMPSactivation signal or:
• if pin 5 of connector P receives a high beam activation signal See E2012  MAIN BEAM HEADLAMPS.

Earth C020 is located on the passenger compartment floor and located near the right front wheel arch (footwell).

Once the signal has been received and the above conditions verified, pin 13 connector F of the body computer node supply the rear foglamp housed inside the left tail-light F030 Left tail-light F030 refers to earth C030 secured to the left rear wheel arch (passenger compartment interior).

The body computer node monitors the lighting system to ensure it is operating correctly and indicates any faults by turning on the failure warning light on instrument panel E050 under the following conditions:

• load open;
• short circuit to earth
• short circuit to +battery.

Pins 35, 36 of body computer node communicate via the CAN network with instrument panel E050 (for more details see wiring diagram E1050) and turn on the rear foglamp warning light.