TM 5-2420-231-23-1
0060
Table 1. Engine Does Not Turn Off With Ignition Switch in the Off Position
and Machine Does Not Move.
0060
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Engine Does Not Turn Off
With Ignition Switch in the
Always inspect the wiring harness connectors that are involved in the
Off Position and Machine
circuit. Poor connections can often be the cause of a problem in an
Does Not Move
electrical circuit. Verify that all connections in the circuit are clean and
secure, and that all connections are in good condition. If a problem with a
connection is found, correct the problem and verify that this malfunction is
active before performing this procedure.
Perform an open or short circuit test at each wiring harness connection to
identify the correct wiring harness to replace.
Perform this test only if the condition is active.
Test Step 1. Stop the Engine.
1. Verify ignition switch is in the off
position (TM 5-2420-231-10).
2. Press and hold fuel pump solenoid
switch (Figure 1, Item 3) (TM 5-
2420-231-10) until engine stops.
3. Disconnect batteries (WP 0157).
4. With an assistant, press and hold
the M button (Figure 1, Item 2) on
front display panel.
5. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
6. Press the M button (Figure 1, Item
Front Display Panel Indicates Output
2) until output test mode ("ot") (WP
1 Open - Proceed to Test Step 2.
0006) is displayed on front display
Front Display Panel Indicates Output
screen (Figure 1, Item 1). Verify all
2 Open - Proceed to Test Step 3.
outputs indicate G for good circuit.
Front Display Panel Indicates Output
8 Open - Proceed to Test Step 4.