TM 5-3805-281-24-1
Tests
ENGINE CONTROL (EC) SENSOR HARNESS
TEST
SPECIFICATIONS
2000 400 ohms between
Engine Control (EC) Sensor
ground and power terminals
Fast Idle in Standard Mode
3.3--3.7 volts typical
Voltage
E (Economy) Mode Voltage
3.0--3.3 volts typical
Auto-Idle Mode Voltage
2.7--2.9 volts typical
Slow Idle Voltage
2.5--2.7 volts typical
HP (High Power) Mode With Arm
Fast idle in standard mode
In Function Over Relief Voltage
voltage plus 0.2 volts or more
typical
ESSENTIAL TOOLS
JT07066 Test Harness
SERVICE EQUIPMENT AND TOOLS
JT07306 Analog/Digital Multimeter
The purpose of test is to check continuity in engine control
sensor (EC sensor) wiring harness and there is a signal
from the engine and pump controller (EPC).
9025
25
53
A--Ground Terminal
B--Signal Terminal
C--Power Terminal
D--Engine Control Motor
E--Engine Control Sensor Wiring Harness
F--Engine Control Motor Wiring Harness
Continued on next page
CED,TX08227,3028 1918MAR981/3