ENGINE CONTROL SYSTEM 3-31
When the ignition switch is initially turned “ON” (from “OFF”),
the ECM tests the caution system by turning on all four lamps
in the monitor-tachometer and sounding the caution buzzer for
an initial two seconds.
For the next three seconds, the ECM indicates the total operat-
ing hours, using a combination of the tachometer needle and
“REV-LIMIT” lamp flashing.
NOTE:
The total operating hours displayed are those of actual engine
operation, not ignition switch “ON” time.
CHART OF TOTAL OPERATING HOURS INDICATION
Total
operating
hours
MONITOR-TACHOMETER
Needle
11
11
1
indication
REV-LIMIT lamp
22
22
2 flashing *
0 h – (49 h)
50 h
60 h
No
540 h
550 h
560 h
1 time
1040 h
1050 h
2 times
1540 h
1550 h
3 times
2030 h
2040 h or over
3 times
MONITOR-TACHOMETER
No
500 rpm
600 rpm
5400 rpm
500 rpm
600 rpm
5400 rpm
500 rpm
5400 rpm
500 rpm
5300 rpm
5400 rpm
* : One flashing is corresponded to 500 hours.
OPERATING HOUR INDICATION SYSTEM
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