Technical description: Messages: Twice

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

TWICE MESSAGE TRANSMITTING

TWICE transmits	Values	Used by	The value depends on the following sensor input, signal or function
LH rear light broken	YES/NO	SID	Control module current measurement of output to lamps
RH rear light broken	YES/NO	SID	Control module current measurement of output to lamps
LH rear light	ON/OFF	DICE	Control module input supplied with current from lights switch
RH rear light	ON/OFF	DICE	Control module input supplied with current from lights switch
LH brake light broken	YES/NO	SID	Control module current measurement of output to lamp
RH brake light broken	YES/NO	SID	Control module current measurement of output to lamp
High -level brake light broken	YES/NO	SID	Control module current measurement of output to lamp
Brake lights	ON/OFF	SID, TCM (cars with Trionic T7 engine management system)	Brake light switch
Sound	Sound information	SID	In connection with text message
Driver's door	OPEN/CLOSED	MIU,PSM DICE	Door switch
Passenger door	OPEN/CLOSED	MIU,PSM DICE	Door switch
LH rear door	OPEN/CLOSED	MIU, DICE	Door switch
RH rear door	OPEN/CLOSED	MIU, DICE	Door switch
Boot lid	OPEN/CLOSED	MIU, DICE, STC	Lid switch
Horn	0: 6: 42 ms	SID	Anti-theft alarm function and central locking system function
Hazard flashers	ON/OFF	DICE	Anti-theft alarm function and central locking system function
Text message	Text information	SID	Anti-theft alarm function and central locking system function
Steering wheel location	LHD/RHD	ACC, MIU	Control module programming
Key correct	ON/OFF	Audio, Trionic	Immobilizer function
Immobilizer	ON/OFF	Trionic	Immobilizer function
Central locking system	UNLOCKED/LOCKED	DICE	Central locking system function
Diagnostics communication	Answer to enquiry from diagnostics instrument	DICE/diagnostic tool	Control module should be live and the bus leads intact