
170
KENR6933
Troubleshooting Section
Test Step 1. Check for Connector
Damage.
A.
Turn the keyswitch to the OFF position.
B.
Check the connectors and the harness for the
following faults: damage, abrasion, corrosion, and
incorrect attachment.
C.
Refer to Troubleshooting, “Electrical Connectors
- Inspect”.
D.
Perform a 45 N (10 lb) pull test on each of the
wires in the harness that are associated with the
speed demand device. Check the wire connectors
at the ECM and at the control system. The wire
connectors are shown in table 40.
E.
Check the screw for the ECM connector for the
correct torque of 5.0 N·m (44 lb in).
Expected Result:
The connectors and the harness should be free of
the following faults: damage, abrasion, corrosion,
and incorrect attachment.
Results:
•
OK
–
Proceed to Test Step 2.
•
Not OK
Repair:
Repair the connectors or the harness
and/or replace the connectors or the harness.
Verify that the repair eliminates the fault.
STOP.
Test Step 2. Check for active Diagnostic
Codes.
A.
Turn the keyswitch to the ON position.
B.
Use the Perkins EST to check for diagnostic
codes.
Expected Result:
RESULT 1
The Perkins EST displays the following
active diagnostic codes or recently logged diagnostic
codes:
•
91-03
•
91-04
RESULT 2
The Perkins EST displays no active
diagnostic codes:
Results:
•
Result 1
–
Proceed to Test Step 3.
•
Result 2 – There may be an intermittent connection
in the wiring. Proceed to Test Step 3.
Test Step 3. Check the Control Signal.
A.
Refer to the OEM supplied manual for the control
system.
B.
Check that the output signal from the control
system is correct.
Expected Result:
The output signal from the control system should be
within the speci
fi
cation in the OEM supplied manual.
Results:
•
OK
–
The output signal from the control system is
correct. Proceed to Test Step 4.
•
Not OK – The output signal from the control
system is not correct or the control system is
incorrectly con
fi
gured.
Repair:
Repair the control system or con
fi
gure the
control system. Refer to the OEM supplied manual.
Verify that the repair eliminates the fault.
STOP.
Test Step 4. Check the Signal at the ECM.
A.
Turn the keyswitch to the OFF position.
B.
Remove the P1 OEM connector.
C.
Temporarily remove the pin from P1:54.
D.
Reconnect P1 OEM connector.
E.
Connect the red probe of a multimeter to the
removed pin and the black probe of a multimeter
to P1:33.
F.
Turn the keyswitch to the ON position.
G.
Check that the signal at the ECM is the same
value as the output signal from the control system.
H.
Turn the keyswitch to the OFF position.
I.
Remove P1 OEM connector and reinstall P1:54 to
the P1 OEM connector.
J.
Reconnect P1 OEM connector.
Содержание 1106C Genset
Страница 1: ...May 2007 Troubleshooting 1106C Genset PK Engine KENR6933 00 ...
Страница 19: ...KENR6933 19 Troubleshooting Section g01178875 Illustration 6 ...
Страница 119: ...KENR6933 119 Troubleshooting Section g01244183 Illustration 31 Schematic of the bypass harness connector ...
Страница 186: ...186 KENR6933 Index Section ...
Страница 187: ...KENR6933 187 Index Section ...
Страница 188: ...Copyright 2007 Perkins Engines Company Limited All Rights Reserved Printed in U K ...