TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 1236 of 1824

TEST OPTIONS

REASON FOR QUESTION

Voltage Test or

STE/ICE-R Test #89

KNOWN INFO

POSSIBLE PROBLEMS

Faulty dashboard cable

assembly.

Faulty WTEC II cab

transmission harness.

Faulty rear lights cable

assembly.

Faulty REVERSE

WARNING relay in WTEC

II VIM.

Faulty WTEC II

transmission ECU

pushbutton shift selector.

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

7.

e55. BACKUP LIGHT DOES NOT ILLUMINATE (CONT)

Circuit breaker CB70 OK.

Circuit breaker CB73 OK.

Both turn signals illuminate.

Engine starts.

Transmission reverse (R)

range OK.

Backup light lamps OK.

Backup light assembly OK.

WTEC II transmission controls.

If 12 VDC is not present,

wire 1460 is faulty.

Is 12 VDC present at

connector PX33 socket C1?

TM 9-2320-366-20-1

2-682

Change 1

NO

Repair wire 1460 from connector

PX33 socket C1 to terminal board TB1

position 60 (para 2-45) or replace WTEC II

dashboard cable assembly (para 7-10).

YES