Heating Performance Diagnostic

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Step

Action

Yes

No

DEFINITION: Heating system performance.

1

Were you sent here from Symptoms or another diagnostic table?

Go to Step 2

Go to Too Cold in Vehicle in HVAC Systems – Automatic

2

Does the engine reach a normal ope...

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You may preview the service manual table of contents by clicking below.

Service Manual Table of Contents

Document Tags

Document Title: Heating Performance Diagnostic

system

step

hvac

automatic

engine

temperature

select

mode

blower

speed

warmest

setting

inlet

outlet

heater

core

hose

panel

repair

complete

select warmest

warmest temperature

temperature setting

allow engine idle

normal operating temperature

select floor mode

select minimum blower

minimum blower speed

select warmest temperature

warmest temperature setting

feel temperature inlet

temperature inlet outlet

outlet heater hoses

heater core inlet

core inlet heater

inlet heater hose

heater hose warmer

hose warmer outlet

warmer outlet heater

heater core outlet

core outlet hose

perform repairs repairs

repairs repairs complete