WorksheetsHomework Quiz
Total questions: 10
Worksheet time: 5mins
The ECM ________________the engine from damage during extreme operating conditions or from further damage when an essential engine component fails.
There are what two levels of engine protection?
Specifically, the ECM records::
Two levels of warning lamps indicate faults. _________lamps indicate a warning. _______ lamps indicate that the vehicle must stop.
Yellow, Red
Engine torque can be limited by the ECM. This function is referred to as ___________ ______________________.
engine derating
Forced shutoff protects the vehicle from _____________ ______________.
potential speed
impending doom
likely internment
serious errors
If the engine has been forced to shut down due to an active engine protection function, the driver can power down the ECM for ______seconds to reset the _____-second delay.
The Idle cool down feature protects the engine when the ______________temperature is high
exhaust
DL1 (J1939-1) is electrically terminated at each end with a _____________. Each DL1 (J1939-1) network has two _________________.
resistor, resistors
The correct number of resistors can be checked by measuring the resistance across the DL1 (J1939-1) circuit at the 16-pin diagnostic connector. The correct resistance is ____-_____ ohms. When tested individually, each resistor must have a resistance of ______-______ ohms. Data link 2 ISO (International Organization for Standardizatio
50-70 ohms
110-130 ohms
40-80 ohms
80-160 ohms
100-200 ohms
40-80 ohms
60-120 ohms
80-160 ohms
