Cid 1684 Fmi 08 Fuel Injection Pump, Crankshaft Reference Fault - Perkins 1104E Series Troubleshooting Manual

RENR2696-01
Results:
•
OK – STOP.
CID 1684 FMI 08 Fuel Injection
Pump, Crankshaft Reference
Fault
Conditions Which Generate This Code:
This code is generated by the fuel injection pump.
The fuel injection pump detects one of the following
conditions:
•
The fuel injection pump did not receive a position
signal.
•
The signal that is received by the fuel injection
pump is incorrect.
The ECM will log the diagnostic code. The diagnostic
code may be viewed on the electronic service tool.
System Response:
The fuel injection pump will use the engine
speed/timing sensor in order to set the engine timing.
The ECM will derate the engine power by 20% while
the diagnostic code is active.
Possible Performance Effect:
The engine will experience any of the following
conditions:
•
Small loss of engine performance
•
Increased emissions
•
The engine may be difficult to start.
Troubleshooting:
Further troubleshooting is required.
Test Step 1.
Check for the following active code:
•
Diagnostic code 320-02
•
Diagnostic code 320-11
Results:
•
Codes Active – Proceed to Test Step 2.
Test Step 2.
Perform the following diagnostic procedure: "Engine
Speed/Timing Sensor Circuit - Test"
i01798173
Results:
•
OK – STOP.
•
Not OK – Proceed to Test Step 3.
Test Step 3.
Pay close attention to the following areas:
•
P1/J1 ECM connector
•
P40/J40 Fuel injection pump connector
•
P1:59 Engine position
•
P40:8 Engine position
Refer to Troubleshooting, "Electrical Connectors -
Inspect".
Results:
•
OK – Proceed to Test Step 4.
Test Step 4.
Check continuity between the following connections:
•
P1:59 Engine position
• P40:8 Engine position
Expected Result:
If the fault is cleared then STOP.
If the fault still exists, repair the wire harness or
replace the wire harness.
Ensure that the repairs have eliminated the problem.
Check for active diagnostic codes.
Results:
•
OK – STOP.
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Troubleshooting Section