HIGH ENGINE TEMPERATURE INDICATOR ILLUMINATES (CONT)

TM 9-2320-366-20-1

e24A. HIGH ENGINE TEMPERATURE INDICATOR ILLUMINATES (CONT)

CAUTION

Read CAUTION

KNOWN INFO

TEST OPTIONS

on following page.

Continuity Test or

Engine temperature is below

STE/ICE-R Test #91

216F (102C) when high

Is continuity present from

REASON FOR QUESTION

engine temperature indicator

coolant temperature light

illuminates.

switch connector socket 2

If continuity is present, coolant

High engine temperature

to known good ground?

temperature light switch is

indicator illuminates when

faulty.

master power switch is

positioned to on.

POSSIBLE PROBLEMS

Faulty coolant temperature

light switch.

Faulty LAMP TEST switch (if

equipped).

YES

Go to step 3 of this fault.

Faulty engine control cable

assembly.

Faulty WTEC II dashboard

cable assembly.

Faulty WTEC III dashboard

cable assembly.

Replace coolant temperature

light switch (para 7-22).

2-418.4

Change 2