SPN 1485, FMI 5 - Power Relay Coil Open
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Power Relay Check Condition- Key On, Engine Off Fault Condition- Power relay coil output open circuit Corrective Action(s)- Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp Non-emissions related fault
The ECM has auxiliary low-side drivers that can turn on warning devices or ground electromagnetic relay coils to control power to devices connected to the engine. This fault sets if the output for the power relay is detected as an open circuit. If this fault is active the injector and ignition coil high-side will not receive power and the engine will not run.
Indmar Products
2008 218
All Rights Reserved Draft Rev. A-Jan. 2008