HIGH ENGINE TEMPERATURE INDICATOR ILLUMINATES (CONT)

TM 9-2320-366-20-1

e24A. HIGH ENGINE TEMPERATURE INDICATOR ILLUMINATES (CONT)

KNOWN INFO

TEST OPTIONS

Engine temperature is below

Operational Test

216F (102C) when high

Does high engine

REASON FOR QUESTION

engine temperature indicator

temperature indicator

illuminates.

If high engine temperature

illuminate when connector

High engine temperature

indicator does not illuminate

PX2 is disconnected?

indicator illuminates when

when connector PX2 is

master power switch is

disconnected, LAMP TEST

positioned to on.

switch is faulty. If high engine

Coolant temperature light

temperature indicator

switch OK.

illuminates when connector

PX2 is disconnected, go to

POSSIBLE PROBLEMS

step 7 of this fault.

Faulty LAMP TEST switch.

Faulty engine control cable

assembly.

Faulty WTEC II dashboard cable

assembly.

Faulty WTEC III dashboard

cable assembly.

YES

Replace LAMP TEST switch (para 7-18).

Go to step 7 of this fault.

2-418.8

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