TM-9-2320-365-20-2

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-2 - Page 549 of 1432

(1)

Check if main code 22 sub code 16 is

logged in the WTEC III TPSS (para 8-5).

(2)

If main code 22 sub code 16 is logged,

WTEC III transmission ECU has sensed a

fault with the output speed sensor or its circuit.

Perform Transmission System Troubleshooting

(f24. WTEC III Transmission Pushbutton Shift

Selector (TPSS) Displays Main Code 22 Sub

Code 16).

Change 1

2-1555

TM 9-2320-365-20-2

Loose or dirty connectors may cause

intermittent loss of power to transmission

ECU and diagnostic codes to be logged.

Ensure that all connectors are clean and tight

before performing troubleshooting.

Failure to

comply may result in incorrect test results.

CAUTION