Subaru SVX 1992 Manual page 1020

4-7 [T8BOI AUTOMATIC AIR CONDITIONING SYSTEM
B : BLOWER MOTOR DOES NOT ROTATE IN "HI" ONLY OR AT ALL.
CONTENTS OF DIAGNOSIS :
Burned-out fuse, or faulty harness, OFF relay, blower
motor, auto amplifier or HI relay
TROUBLE SYMPTOM :
Blower motor does not rotate .
Blower motor does not rotate in "HI" .
Not OK
Faulty harness or fuse. 1 Check OFF relay power circuit .
OK
Not OK
Not OK
2 Check OFF relay control circuit . 3
Check auto amplifier control circuit.
OK OK
~- Not OK
4 I Check blower motor power circuit .
I
Faulty harness
Faulty auto amplifier . Install new one and re-
check.
Faulty OFF relay or harness .
OK
Not OK
5 Check Hl relay power circuit.
Faulty blower motor or harness
OK
6 Check HI relay control power circuit .
Not OK
Faulty harness
OK
Not OK
7
Check HI relay ground circuit.
Faulty harness
OK
Not OK
8 Check HI relay control circuit. hol Faulty auto amplifier or harness
OK
Faulty HI relay
86