Subaru SVX 1992 Manual page 1027

AUTOMATIC AIR CONDITIONING SYSTEM (T8D3I 4-7
1 . CHECK FAN CONTROL AMPLIFIER CONTROL
VOLTAGE .
1) Remove the glove box .
2) Turn the ignition switch to "ON".
3) Measure voltage between fan control amp . connec-
tor terminal and body.
Connector fr Terminal/Specified voltage :
AUTO switch ON
FAN switch Low "Med
(BM6) No. 1 - Body/Approx. 1 .0 - 2.0 V
Fig. 194
2. CHECK HI RELAY OPERATION AND GROUND
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 £r Terminal/Specified voltage :
AUTO switch ON
FAN switch HI
(BM5) No. 2 - Body/Approx. 0 V
FAN switch Low"Med
(BM5) No. 2 - Body/Approx . 12 V
r1g . 7 Y5
3. CHECK HI RELAY CONTROL CIRCUIT.
1) Turn the ignition switch to "ON".
2) Measure voltage between HI relay connector termi-
nal and body .
Connector £r Terminal/Specified voltage :
AUTO switch ON
FAN switch HI
(BM5) No . 3 - Body/Approx. 1 V max.
FAN switch Low"Med
(BM5) No. 3 - Body/Approx. 12 V
Mg. 196
93