TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 3. Transmission System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
26. Transmission Control (Shift 6. Verify shift lever remote F/N/R switch 1. If shift lever position status changes
properly, monitor machine to see if
functionality.
Lever) Will Not Engage
problems occur. If problem occurs,
(a) Place shift lever on steering
Transmission - Continued.
column in NEUTRAL and FIRST
repeat entire test procedures again.
GEAR (TM 5-3805-290-10).
2. If status on ET screen is "DATA
(b) At shifter 4-pin connector remove
FAULT" in either a particular position
jumper wire between pin 3 and pin
or all positions, go to Test 7.
4.
(c) Connect 4-pin receptacle
connector CN-C50 from cab
harness to shifter 4-pin plug. This
will enable shift handle remote
F/N/R switch circuit.
(d) Ensure pins and sockets are seated
properly and that connectors mate
correctly.
(e) Please remote F/N/R switch in
FORWARD position (TM 5-
3805-290-10).
(f) Verify ET shows "F1" as desired
gear.
(g) Place remote F/N/R switch in
REVERSE position.
(h) Verify ET shows "R1" as desired
gear.
7. Verify shift lever remote F/N/R
1. If shift lever position status changes
harness.
properly, replace remote F/N/R switch
(a) Ensure shift lever on steering
assembly (WP 0188 00).
column is in NEUTRAL and
2. If status on ET screen is "DATA
FIRST GEAR (TM 5-3805-290-
FAULT" no matter which wire is
10).
jumpered to pin 1, common signal pin
(b) Ensure cab harness 4-pin
1 202 BK may have lost connection to
receptacle connector CN-C50 is
machine ground. Replace wiring
connected to shifter 4-pin plug.
harness in question (WP 0169 00 thru
(c) Disconnect 6-pin connector to
WP 0175 00).
remote F/N/R assembly.
3. If status on ET screen is "DATA
(d) On cab harness connector
FAULT" when a particular wire is
CN-C23, place a jumper wire from
jumpered to pin 1, replace wiring
pin 1 202 BK to pin 4 G787 GN.
harness in question (WP 0169 00 thru
(e) Verify ET shows "F1" as desired
WP 0175 00).
gear.
(f) Move jumper wire connection join
pin 1 202 BK to pin 6 G788 YL.
(g) Verify ET shows "R1" as desired
gear.
(h) Move jumper wire connection join
pin 1 202 BK to pin 5 P916 OR.
(i) Verify ET shows "N1" as desired
gear.
0008 00-74
