Troubleshooting
U-16
Step Inspection Action
3
Inspect blower assembly.
l Inspect blower fan for the following items:
— Is fan free of interference with blower case?
— Is fan free of foreign material or other
obstructions?
— Is fan normal?
Yes Go to next step.
No Remove obstruction, repair or
replace fan and blower case, and
then go to step 5.
4
Inspect air intake port of blower assembly.
l Is air intake port of blower assembly clogged?
Yes Remove obstruction, and then go to
next step.
No Inspect whether there are any
obstructions in passage between
blower assembly and a/c unit, and
then go to next step.
5
Verify whether malfunction symptom occurs after
repair.
l Does air blow out?
Yes Troubleshooting completed.
Explain conditions to customer.
No Recheck malfunction symptoms,
and then repeat from step 1 if
malfunction reoccurs.
Iii. Airflow mode of air port can not be changed.
3 Airflow mode of air port can not be changed.
Malfunction
symptom
l Malfunction in airflow control system of front a/c unit.
Possible causes
l Malfunction in airflow mode link, rocker, cable or cable clamp of front a/c unit.
(step 1 and 2)
l Malfunction in bevel gear set (2), airflow mode cable or cable clamp of front
climate control unit (step 3)
l Malfunction in one or more a/c unit door(s). (step 4 and 5)
Troubleshooting procedure
Step Inspection Action
1
Inspect airflow mode system of front a/c
unit.
l Inspect airflow mode links, airflow mode
rocker, airflow mode cables, and clamps
of front a/c unit.
— Is there grease on links and rocker?
— Are links and rockers installed correctly
and in place?
— Is cable clamp free of deformation?
l Are all above items normal?
Yes Go to next step.
No Apply grease or install links, rocker
securely in place, repair or replace cable
clamp, then go to step 6.
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