Subaru SVX 1992 Manual page 1025

AUTOMATIC AIR CONDITIONING SYSTEM [T8C31 4-7
1 . CHECK FAN CONTROL AMPLIFIER POWER
CIRCUIT.
1) Remove the glove box .
2) Disconnect fan control amp . connector .
3) Turn the ignition switch to "ON".
4) Measure voltage between fan control amp . connec-
tor and body .
Connector £r TerminaUSpecified voltage :
AUTO switch ON
FAN switch HI
(BM6) No. 2 - Body/1 V max.
FAN switch Low "Med
(BM6) No. 2 - Body/Approx. 12 V
Fig. 190
2. CHECK FAN CONTROL AMPLIFIER CONTROL
VOLTAGE.
1) Connect fan control amp . connector .
2) Turn the ignition switch to "ON" .
3) Measure voltage between fan control amp . connec-
tor terminal and body.
Connector & Terminal/Specified voltage :
AUTO switch ON
FAN switch HI
(BM6) No . 1 - Body/Approx. 0 V
FAN switch Low "Med
(BM6) No . 1 - Body/Approx. 1 .0 - 2 .0 V
Fig. 191
3. CHECK FAN CONTROL AMPLIFIER GROUND
CIRCUIT.
1) Disconnect fan control amp . connector .
2) Measure resistance between fan control amp . con-
nector terminal and body.
Connector & Terminal/Specified resistance :
(BM6) No . 4 - Body/0 f2
Fig . 192
91