1995 SUBARU LEGACY Service Repair Manual

Page 1345 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0689A
2CHECK INPUT SIGNAL FOR ECM. (USING
VOLTAGE METER AND SUBARU SELECT
MONITOR.)
Measure voltage between ECM and body while engine is
idling.
: Connector & terminal
(B84) No. 26—Body/0.3 V, or

Page 1346 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0690A
4CHECK HARNESS CONNECTOR BETWEEN
ECM AND MASS AIR FLOW SENSOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from ECM.
3) Measure resistance of harness connector between
ECM and mas

Page 1347 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0152
C: DTC P0101
—MASS AIR FLOW SENSOR CIRCUIT
RANGE/PERFORMANCE PROBLEM (QA
—R)
—
DESCRIPTION:
Refer to“B: DTC P0100—MASS AIR FLOW SENSOR
CIRCUIT MALFUNCTION—[T11B0]”.
DTC DETECTING

Page 1348 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1.Check DTC P0100 on display.
No
Ye s
Inspect DTC P0100 using“11. Diagnostics
Chart with Trouble Code [T1100]”.
In this case, it is unnecessary to inspect DTC
P0101.
Replace mass air flow senso

Page 1349 of 2248

SUBARU LEGACY 1995  Service Repair Manual WIRING DIAGRAM:
RHD model
B2M0448
143
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostics Chart with Trouble Code

Page 1350 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0154
D: DTC P0105
—PRESSURE SENSOR CIRCUIT
MALFUNCTION (P
—S)—
OBD0155A
DESCRIPTION:
The pressure sensor is used in AT vehicles. It is located in
the engine compartment, at the front of the r

Page 1351 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1.Check transmission type.
AT
MT
Check AT/MT identification circuit. <Ref. to
[T11BN0].>
2.Connect Subaru Select Monitor or the OBD-II
general scan tool, and read data.
3.Check input signal for ECM.

Page 1352 of 2248

SUBARU LEGACY 1995  Service Repair Manual WIRING DIAGRAM:
RHD model
B2M0449
146
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostics Chart with Trouble Code