TB-9-3950-253-13-P

PALLETIZED LOAD SYSTEM TRUCK, M1075 and M1075A1 (PLS) AND HEAVY EXPANDED MOBILITY TACTICAL TRUCK, M1120, M1120A2, AND M1120A4 (HEMTT), ENHANCED CONTAINER HANDLING UNIT (E-CHU)

TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2009

TB-9-3950-253-13-P - Page 188 of 704

TB 9-3950-253-13&P

Change 1

0019-8

0019

ELECTRICAL SYSTEM – CONTINUED

6. NO STOWAGE FUNCTION (ERROR CODE 9).

NOTE

When ignition switch is turned on after battery disconnect switch has been turned off and

back on, error codes 1 and 24 may alternately display for one minute. This error code

indicates that temporary settings were lost while battery disconnect switch was off, and is

consistent with normal operation.

Step 1.

Set ignition switch and battery disconnect switch to OFF position (PLS: TM 9-2320-364-14&P,

HEMTT: TM 9-2320-326-14&P).

Step 2.

Check stowage angle (capture frame position) sensor for loose or damaged connection.

Tighten or repair angle (capture frame position) sensor connection.

Step 3.

Set battery disconnect switch and ignition switch to ON position.

If error code is still displayed, proceed to Step 4.

Step 4.

Calibrate stowage angle (stowage capture frame position) sensor (WP 0025).

If calibration not successful, proceed to Step 5.

Step 5.

Set battery disconnect switch and ignition switch to ON position.

If error code is still displayed, proceed to Step 6.

Step 6.

Set battery disconnect switch to OFF position.

Step 7.

Disconnect wires from positions 1, 2, and 3 on P5 in Space 4000 ST box.

Step 8.

Connect jumper wire between pins 1 and 2 at connector end of harness and check resistance of

same wires at sensor end of harness.

If resistance measures >200 Ohms, replace harness.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

0.