During the "output Diagnostic Test Mode" function, the following actuators of the instrument cluster will be activated or coded (if installed):

Simultaneous parallel sweep through indication range of all analog display instruments (Engine Coolant Temperature (ECT) gauge, tachometer, speedometer, fuel gauge)
Activation of warning lamps
Activation of seatbelt warning light
Activation of chime
Segment test of driver information system, LCD clock/date display, and LCD trip odometer and daily odometer.
Test of instrument cluster lighting, including dimmer