FAULT CHART FOR DIAGNOSTIC OF ARCTIC HEATER TROUBLESHOOTING (MODEL B).

TM 9-2320-364-34-1

2-17.1. ARCTIC HEATER (MODEL B) TROUBLESHOOTING (CONT).

1. FAULT CHART FOR DIAGNOSTIC OF ARCTIC HEATER

TROUBLESHOOTING (MODEL B).

INITIAL SETUP

References

TM 9-2320-364-10

Tools and Special Tools

TM 9-2320-364-20

Tool Kit, General Mechanic's: Automotive

(Item 241, Appendix F)

Equipment Condition

STE/ICE-R (optional) (Item 15, Appendix F)

Engine OFF, (TM 9-2320-364-10)

Multimeter (Item 140, Appendix F)

Parking brake applied, (TM 9-2320-364-10)

Fault Code Retrieval Device (FCRD)

Wheels chocked, (TM 9-2320-364-10)

(Item 60.1, Appendix F)

NOTE

All unit level troubleshooting must be completed before performing this procedure.

START

WARNING

KNOWN INFO

TEST OPTIONS

Read WARNING

on Page 2-766.5

Arctic heater indicator light

Visual inspection.

wires tested OK at unit level.

REASON FOR QUESTION

POSSIBLE PROBLEMS

Does arctic heater indicator

Flash code dictates trouble-

light or fault code retrieval de-

shooting logic.

Diagnostic codes present.

vice (FCRD) display a fault

Arctic heater control unit faulty.

code?

Go to Step 2 of

this Fault.

YES

Troubleshoot fault

code displayed as

indicated on Page

2-766.5

2-470

-7