Perkins 1104E Series Troubleshooting Manual page 189

RENR2696-01
Test Step 8. Check the Output of the ECM
Fuel Pump Power Control at the Machine
Interface Connector
Illustration 100
Schematic for the fuel injection pump and the ECM power supply
Illustration 101
Breakout T
A. Disconnect P20 MIC.
B. Connect a Breakout T between P20 and J20.
C. Turn the keyswitch to the ON position.
D. Measure the voltage between the positive side of
the fuel injection pump Test Point C power relay
coil and terminal 42 of the Breakout T.
E. Refer to illustration 100 and illustration 101.
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Troubleshooting Section
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