Subaru XT 1988 Service Manual page 804

81)
Is No. 12 or
No. 18, 19 (1800 cc
Canada modal only)
fuse blown?
Yes
Check and repair short circuit
and replace fuse.
No
SUSPENSION
4-1
Do sOlenoid
Check voltage valve and com·
across control unit pressor operate when
terminal
CD
(®
IG) and
t -__
Y_es ___ -icorresponding terminals ~_Y_es ___ _
terminal
fJ
(ground) is of control unit are
over 10V when ignition grounded?
switch is on. (Confirm by operat·
No
Check IG power and ground
circuit for breaks (A 13).
47
ing nOise.)
No RR
e,
RL"
[
FR
CD,
FL. ]
Air charge
41,
Air discharge . ,
Compressor relay
~
Solenoid valve, compreS$or
and compressor relay are
defective as single units (A8,
Al0, All, A14) or their
wiring faulty (A 131.