940 SE L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT (1991)
Control function #2:
This is a function test of the throttle position signal (sensor) in the ignition system.
Control function #3:
This function is used with the engine stopped. Selected output components are automatically tested and activated to check for correct operation.
For more information on how to operate all the functions in the diagnostic socket, refer to On-board diagnostics.