TM-9-2320-280-20-1

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3

JANUARY 1996

TM-9-2320-280-20-1 - Page 125 of 888

2-34

TM 9-2320-280-20-1

2-14. HOW TO USE THIS TROUBLESHOOTING GUIDE (Cont’d)

PAGE LAYOUT

All diagnostic logic and flowcharts are on the left hand page,

with supporting information, help, test, instructions and

vehicle operation on the right.

Question number, so you know

where you are and where to go

when entering or leaving a test

chain.

Question to be answered.

Notes, warnings and cautions

about a particular question.

Instructions for how to

perform a test or make

a measurement,

usually in a box.

DIAGNOSTIC

REFERENCE

FLOWCHART

INFORMATION

HOW TO TROUBLESHOOT

PICK THE TESTS:

Select either a top level or a system level test.

DIAGNOSTIC PROCEDURE

Just answer the questions on the left hand page and

follow the YES or NO path. Helpful information about

the question is also on the right hand page. If you

aren't sure about a question or procedure, look on the

right page for notes, instructions and help.

Known info and

possible problems with

the system.

Reason for question;

This is to help by telling

you why it's being asked.

This is especially helpful

when something's just a

little bit bad' and you're not

sure if it passed or failed.

Test options; Mutible

choice of methods you

can use to obtain the

answer to the question.