User's Manual

Table 12
FMI 12 Troubleshooting
Troubleshooting Test Steps
Values Results
1. CLEAR THE DIAGNOSTIC CODES
A. Use the ET to clear the logged diagnostic codes.
B. Use a valid electronic key to start the machine.
Determine if CID 0248 FMI 12 is present.
CID 0248 FMI 12 is
present.
OK - CID 0248 FMI 12 is present. The problem was not caused
by the use of an invalid electronic key.
Proceed to Test Step 2.
NOT OK - CID 0248 FMI 12 is NOT present. The problem was
caused by the use of an invalid key in the key start switch.
STOP.
2. INSPECT THE HARNESS CONNECTORS
A. Inspect the connections for the machine harness
that are related to the data link.
B. Make sure that connectors are clean and tight.
C.If necessary, repair the machine harness or replace
the machine harness.
D. Use the ET to clear the diagnostic codes.
E. Use a valid electronic key to start the machine.
F. Determine if CID 0248 FMI 12 is present.
CID 0248 FMI 12 is
present.
OK - The diagnostic code is present.
Proceed to Test Step 3.
NOT OK -The diagnostic code no longer exists and a machine
harness connector was faulty. The failure is not present now. An
intermittent connection may exist in the data link circuits of the
machine harness.
Repair: Replace any connectors that do not have a tight fitting.
Repair any wiring in the harness that appears to be damaged.
Watch for a recurrence of this fault.
STOP.
(continued)
38 UENR7061
Circuit Tests