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 1234 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.

6.

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

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.

Is 12 VDC present at

connector PX33 socket B1?

TM 9-2320-366-20-1

2-680

Change 1

If 12 VDC is not present,

wire 1903 is faulty.

NO

Repair wire 1903 from connector

PX33 socket B1 to circuit breaker CB73

terminal 8 (para 2-45) or replace WTEC II

dashboard cable assembly (para 7-10).

YES