D21 19
Amber
0
0
Gearbox output shaft (tail shaft) speed high-
data valid but above normal operational
range-moderately severe level
Start auxiliary device control circuit fault (diethyl
ether spray)
white
1
1
Engine oil pressure low-data valid but below
normal operational range-most severe level
Engine coolant level senor circuit-data erratic,
intermittent, or incorrect
Amber
2
2
Fuel timing pressure or timing actuator-block
SAE J1939 data communication
interface-unable communicate
None
9
SAE J1939-not fast enough
Accelerator pedal or lever idle validation
circuit-data erratic, intermittent, or incorrect
Red
13
13
Accelerator pedal or lever idle validation circuit-
out of calibration
None
1
1
Accumulator #1 voltage low- data valid but
lower normal operational range-moderately
severe level
Amber
0
0
Accumulator #1 voltage high- data valid but
above normal operational range-moderately
severe level
Red
3
3
Oil atomizer measuring pipe #1 pressure
sensor circuit-voltage above normal, or shorted
to high source
Red
4
4
Oil atomizer measuring pipe #1 pressure
sensor circuit-voltage below normal, or shorted
to low source
Red
3
3
Fuel control valve circuit- voltage above
normal, or shorted to high source
Timing oil pipe actuator circuit- data erratic,
intermittent, or incorrect
Amber
2
2
Fuel oil pipe actuator circuit- data erratic,
intermittent, or incorrect
Maintain
1
1
Engine oil level low-maintain
Maintain
2
2
Engine oil level #2 low-maintain