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 1228 of 1824

TEST OPTIONS

REASON FOR QUESTION

Voltage Test or

STE/ICE-R Test #89

KNOWN INFO

3.

WARNING

Read WARNING

on following page.

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.

Faulty WTEC III relay K25.

Faulty WTEC III

transmission ECU.

Is 12 VDC present at circuit

breaker CB73 terminal 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.

If 12 VDC is not present,

wire 1577 is faulty.

TM 9-2320-366-20-1

2-674

Change 1

NO

Repair wire 1577 from circuit breaker CB73

terminal 7 to connector PX15 socket J (para 2-45)

or replace WTEC II dashboard cable assembly

(para 7-10) or WTEC III dashboard cable

assembly (para 7-11).

YES