9-5 Sport Wagon (9600) L4-2.3L Turbo (B235) (2003)
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General
The SID obtains information on the status of the horn switch from the steering wheel controls.
Relay (68) for the horn is energized by the +30 circuit via fuse 3 in 342a. When the horn switch on the steering wheel is activated, the SID unit grounds
pin 11, whereupon the relay operates and the horn is activated.
The horn is also used to acknowledge "TSL" locking on the car. The SID obtains information via the bus from TWICE to activate the horn.
Interior Light Sensor
Interior Light Sensor
General
The sensor which measures the light intensity in the car is integrated in the SID. The measurement range is 0-2000 lux.
The SID uses the value to calculate a suitable display lighting level. The value is sent as bus information "LIGHTING INTENSITY IN CABIN" in lux.
Night Panel
