TM 5-3805-290-23-1
TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
0009 00
Table 2. Machine Control System - Continued.
(MID 081)
TEST OR INSPECTION
CORRECTIVE ACTION
CID FMI CODE
N OT E
0668 02 -
Cont.
Shift lever has three connectors: 4-, 6-, and 8-pin connectors.
1. If each combination of contacts is
4. Check shifter harness and ECM.
grounded and ET screen displays
(a) At shifter, disconnect 8-pin harness
corresponding shifter position. Refer to
connector CN-C52. 6-pin harness
Table 4, Valid Shift Lever Input States,
connector remains connected to shifter
in this section. Replace shift lever (WP
6-pin connector. Shifter 4-pin
0081 00).
connector remains jumpered between
2. If one combination of contacts is
pins 3 and 4 (WP 0081 00).
incorrect, go to Test 5.
(b) Refer to Shifter Schematic (WP 0081
00) and connect two jumper wires from
ECM connectors to frame ground to
simulate each shifter position. If a
particular position is already suspect,
begin with wires for that position.
(c) Monitor shifter status on ET screen.
1. If each combination of contacts is
5. Check ECM.
grounded and ET screen displays
(a) Turn battery disconnect switch to OFF
corresponding shifter position, replace
position. Based on information in
wiring harness in question (WP 0169
Table 5, Machine ECM Connector Pin
00 thru WP 0175 00).
Assignments, in this section, remove
2. If one combination of contacts does not
corresponding wires from machine
cause proper status to be displayed,
ECM harness connectors J1- and J2.
clean contacts for ECM harness
Also use shifter schematic for
connectors. If problem remains,
reference. After removing all wires
replace machine ECM (WP 0052 00).
shown in table (WP 0081 00), place DT
sockets into connectors and wire
sockets so they can be connected to
frame ground individually. Be sure
wires cannot accidentally touch frame
ground.
(b) Turn battery disconnect switch to ON.
Power up machine with key in RUN
position, and connect and start up ET
(c) Use shifter schematic and table as
references. Connect two wires from
machine ECM harness connectors to
frame ground to simulate each shifter
position. If a particular position is
already suspect, begin with wires for
that position.
(d) Monitor shifter status on ET screen.
0009 00-81
