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Table 1. Engine Will Not Crank - Continued
ENGINE CONTROL UNIT (ECU) DOES NOT COMMUNICATE WITH SERVICE ADVISOR

Maintenance Manual For Hydraulic Excavator Type 1 With Hydraulic Thumb And Quick Latch -1 Page Navigation
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TM 5-3805-294-23-1
0123
Table 1. Engine Will Not Crank - Continued.
Test or Inspection
Corrective Action
Malfunction
3.
Turn key switch to OFF
1.
If 22 - 28 volts are present,
position (TM 5-3805-294-10).
replace ECU. (Volume 4,
(Volume 5, WP 0794)
WP 0508) Restore machine to
original condition.
2.
If 22 - 28 volts are not present,
problem was not found and
may have been missed during
troubleshooting. Restart
procedure at Malfunction 1.
END OF WORK PACKAGE
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