Switch Circuits - Test - Perkins M190C Troubleshooting Manual

KENR9126

Switch Circuits - Test

System Operation Description:
Switch circuits may have problems such as faulty
wiring, faulty switches, or faulty connectors. Use the
following diagnostic procedures in order to diagnose
problems with these switch circuits and repair these
switch circuits:
• "Trolling mode switch"
• "Slow vessel mode switch"
•
"Maintenance clear switch"
• "Trip clear switch"
• "Remote shutdown switch"
•
"Synchronize switch 1"
• "Synchronize switch 2"
Illustration 87
Schematic for the switch inputs
Test Step 1. Check the Electrical
Connectors and the Wiring
A. Remove the electrical power from the ECM.
B. Thoroughly inspect the ECM connector and the
customer connector. Thoroughly inspect the
connections for the suspect switch. Refer to
the diagnostic functional test Troubleshooting,
"Electrical Connectors - Inspect".
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Troubleshooting Section
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