Subaru SVX 1992 Manual page 327

2-7 [T91_11
FUEL INJECTION SYSTEM
1 . CHECK INPUT SIGNAL FOR ECU.
Measure voltage between ECU connector terminal and
body while idling engine .
Connector & Terminal/Specified voltage
(1359) No . 6 - Body/0 .1 - 1 .0 V
Problems in heater circuit causes OZ sensor to deacti-
vate .
2. CHECK OZ SENSOR 1 .
1) Idle engine .
2) Disconnect Oz sensor 1 connector.
3) Measure voltage between Oz sensor 1 connector
terminal and body .
Terminal/Specified voltage
No. 6 - Body/0 .1 - 1 .0 V
2 1
43
C2-364
Fig. 85
3. CHECK HARNESS CONNECTOR BETWEEN
ECU AND OZ SENSOR 1 .
1) Turn ignition switch to "OFF".
2) Disconnect ECU connectors .
3) Measure resistance of harness connector between
ECU and OZ sensor 1 .
Connector £r Terminal/Specified resistance
(1359) No . 6 - (E8) No . 4/0 S2
3) Measure resistance between OZ sensor 1 connector
and body.
Connector £t Terminal/Specified resistance
(E8) No. 4 - Body/1 MQ min.
4. CHECK HARNESS CONNECTOR BETWEEN OZ
SENSOR 1 AND MAIN RELAY.
1) Disconnect main relay connector .
2) Measure resistance of harness connector between
OZ sensor 1 and main relay.
Connector £r Terminal/Specified resistance
(E8) No . 1 - (1352) No . 1/0 .0
(E8) No . 2 - (1352) No . 3/0 C1
5. CHECK POWER SUPPLY CIRCUIT OF MAIN
RELAY.
1) Turn ignition switch to "ON" .
2) Measure voltage between main relay connector ter-
minal and body .
Connector Er Terminal/Specified voltage
(1352) No . 2 - Body/10 V, min.
(1352) No. 4 - Body/10 V, min.
80