Output Diagnostic Test Mode (DTM) (Function 03): Notes

NOTE: If output Diagnostic Test Mode (DTM) recognizes a malfunction, instrument cluster must be replaced. If output Diagnostic Test Mode (DTM) does not recognize a malfunction, check wires and harness connectors to the instrument cluster.

Output Diagnostic Test Mode (DTM) is a part of the electrical check. The following components can be checked via output Diagnostic Test Mode (DTM):

Speedometer
Tachometer
Engine Coolant Temperature (ECT) gauge
Fuel gauge
Warning light for brake system
Indicator lamp for seat belt warning system (if activated via coding)
Buzzer/chime
Display indications (odometer, multifunction indicator or digital clock, selector position indicator for automatic transmission)
Warning lamp for coolant temperature/low coolant level
Warning lamp for brake pad wear (if indicated via coding)
Warning light for fuel reserve (where applicable)
Warning light for oil pressure