9-3 Viggen Convertible (9400) L4-2.3L Turbo (B235) HO (2001)
/l4-2.3l_turbo_(b235)_ho/Page-2355004.png)
The seat belt warning light (72) is turned on via +15 circuit from fuse 27. The warning lamp is grounded via pin 28 in TWICE.
The belt warning is also given in the form of an acoustic signal. the signal is given for 6 seconds if a seat belt is not fastened. When the belt is fastened,
the acoustic signal stops.
TWICE sends out an acoustic warning (On) to the bus and the SID unit gives an acoustic signal.
Diagnostics
If there is a fault in the belt warning lamp circuit, diagnostic trouble code B1210 is generated
in TWICE. The trouble code is generated if there is:
-
An open circuit or short circuit to ground
-
A short-circuit to B+
The diagnostic trouble code is not generated when the voltage is below 11 V or during diagnostic communication. The control module output can be
activated with the diagnostic tool.
Bus communication
Information used
Sensor system
Ignition +54 (On/Off)
DICE
DICE supplies the system with information on +54 circuit.
Information Sent
User System
Passenger seat occupied (yes/no)
ACC
Acoustic warning (On/Off)
SID
