Troubleshooting

RENR2696-01 91
Troubleshooting Section
Test Step 2.
Perform the following diagnostic procedure: “CAN
Data Link Circuit - Test”
Results:
•
OK – STOP.
i01798193
E883 Engine Fa
iled To
Stop When Fuel Solenoid
Disengaged
Conditions Wh
ich Generate This Code:
The engine shutdown was slow when the keyswitch
was turned to
the OFF position.
TheenginefailedtostopwhentheECMdisabled
the fuel inje
ction pump.
The engine failed to shutdown when the keyswitch
was turned to
the OFF position.
System Response:
The ECM attempts to shut down the engine by
instructing the fuel injection pump to stop fuel
injection.
The event code is logged in the ECM memory.
Possible Performance Effect:
Slow engine
shutdown
Troubleshooting:
No troubleshooting will be required unless the
diagnostic code 1684-10 is active.
Test Step 1.
Use a multim
eter to check the following connections:
•
J1:1
•
P40:5
Ensure that
the problem has been eliminated.
Results:
•
Check for active diagnostic codes – STOP.
Test Step 2.
Connect a test ECM to the engine in order to
determine if th
e original ECM is causing the problem.
Note: The parameters of the test ECM must match
the parameter
s in the suspect ECM.
If the test ECM resolves the problem, reconnect the
suspect ECM.
Verify that the problem returns with the suspect ECM.
If the problem returns, replace the suspect ECM.
Results:
•
OK – STOP.
•
Not OK – Proceed to Test Step 3.
Test Step 3.
Replace the fuel injection pump. Refer to Disassembly
and Assembly
, “Fuel Injection Pump Remove and
Install”.
Results:
•
OK – STOP.