Table of Contents
Advertisement
Troubleshooting
Symptom Chart
For
electrical malfunctions
which
are
indicated by
the self-diagnostic system,
refer
to
self-diagnosis
function
(see
next
pagel.
Note these
items
before troubleshooting
a
symptom.
•
Check the
engine coolant
level.
and
allow the
engine
to warm up before troubleshooting
.
•
Any
abnormality must
be
corrected
before
continuing
the test.
•
Because
of
the precise measurements needed, use
a
digital
multi meter
with an output of 1 rnA or less at the 20
kO
range when testing.
•
Before performing
any
troubleshooting
procedures check:
-
Fuses No. 47 (7.5 AI
,
No.
55 (40
AI, No.
56 (20
AI,
No.
57
(20
AI in the under-hood fuse/relay
box,
and No. 17
(7.5
AI in
the under-dash
fuse/
relay
box.
-
Grounds No. G101
,
G201,
G202, G401, G402
-
Cleanliness
and
tightness
of all connectors
Symptom
Seepage
Mode
control
motor
does
not run,
or
one
or
more modes
are inoperative.
22-22
Recirculation control
door does
not change between Fresh and Recirculate.
22-24
Radiator
fan
does not run at all (but condenser fan runs with the
Ale
on).
22-26
Condenser fan does not
run
at all
(but
radiator fan
ru
ns
with
the
Ale
on).
22-29
Both fans (radiator and
condenser)
do not run for engine cooling
,
but they both run with the
Ale
22-32
on.
Both fans
do
not run with the
NC
on.
22-33
Compressor
clutch
does not engage
.
22-34
Ale
system does
not
come
on (both fans
and compressor).
22-37
Both heater and
NC
do not work.
22-39
22-10
Advertisement
Table of Contents
Troubleshooting
