Acura 1994 Integra - Troubleshooting; Symptom Chart

Troubleshooting
Symptom
Chart
NOTE: Check the
engine coolant
level and allow
the engine to warm
up before
troubleshooting.
SYMPTOM
REMEDY
Hot air flow
is low. Blower
motor runs, but one
ol more
speeds
are inoperative.
Follow the
tlowchart
(see
page
21-9).
Blower runs
properly.
Check
for the
following:
.
Clogged
heater
duct
.
Clogged
heater outlet
.
Incorrect door
position
No hot air
Jlow
Blowel motor does
not run at all.
Follow
the flowchart
(see
page
2l-l1l
Blower motor
runs.
Check
for the following:
.
clogged
heatet duct
.
Clogged
blower outlet
.
Clogged
heater
valve
.
Faultv air
mix door
.
Heater
valve cable sdjustment
lsee
page
2'l-271
.
Air mix control
cable adjustment
(see
page
21-27)
.
Faulty thermostat
(see
section
lO)
.
Clogged
evaporator
(with
air conditioning)
.
Frozen evaporator
(with
air conditioning)
Mode control
motor does not run, or
one or
more modes are
inooerative.
Follow the
flowchart
(see
page
21-14).
Recirculation control
door does
not change
between
FRESH
and
RECIRCULATE.
Follow
the flowchart
(see
page
21-
17).
21-A