Subaru SVX 1992 Manual page 1023

AUTOMATIC AIR CONDITIONING SYSTEM [T8B81 4-7
5 . CHECK HI RELAY POWER CIRCUIT .
1) Disconnect fan control amp . connector .
2) Turn the ignition switch to "ON".
3) Measure voltage between HI relay connector termi-
nal and body.
Connector fr Terminal/Specified voltage :
AUTO switch ON
FAN switch Low or Med
(BM5) No. 2 - Body/Approx. 12 V
1 0 - o
_ .-
C4-671
Fig . 185
6. CHECK HI RELAY CONTROL POWER CIRCUIT .
1) Turn the ignition switch to "ON" .
2) Measure voltage between HI relay connector termi-
nal and body .
Connector & Terminal/Specified voltage :
(BM5) No. 1 - Body/Approx. 12 V
Fig. 186
7 . CHECK HI RELAY GROUND CIRCUIT .
1) Disconnect HI relay connector .
2) Measure resistance between HI relay connector and
body.
Connector & Terminal/Specified resistance :
(BM5) No. 4 - Body/0 II
t-1g . 7d/
8. CHECK HI RELAY CONTROL CIRCUIT.
1) Connect HI relay connector .
2) Turn the ignition switch to "ON" .
3) Measure voltage between HI relay connector termi-
nal and body .
Connector [t Terminal/Specified voltage:
AUTO switch ON
FAN switch HI
(BM5) No. 3 - Body/1 V max .
FAN switch Lo " Med
(BM5) No. 3 - Body/Approx. 12 V
Fig . 188
89