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ENGINE CONTROL SENSOR (EC SENSOR) HARNESS TEST - Continued
ENGINE CONTROL MOTOR (EC MOTOR) HARNESS TESTS

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Tests
Auto-Idle Mode--Specification
Voltage....................................................................... 2.7--2.9 volts typical
Slow Idle--Specification
Voltage....................................................................... 2.5--2.7 volts typical
For HP (high power) mode, run engine at fast idle, push
HP mode switch, and then actuate arm in function over
relief. Record voltage reading.
HP (High Power) Mode With Arm In Function Over Relief--
Specification
Voltage............................................................. Fast idle in standard mode
voltage plus 0.1 volt or more
typical
TX,9025,GG2710
1913AUG983/3
9025
25
50
6-181


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