1996 SUBARU LEGACY Service Repair Manual

Page 1977 of 2890

SUBARU LEGACY 1996  Service Repair Manual 3GROUP OF #3 AND #4 CYLINDERS
: Are there faults in #3 and #4 cylinders?
NOTE:
Check the following items.
Spark plugs
Fuel injectors
Ignition coil
: Go to next.
: Go to DTC P0170, 2-7 [T10P3], [T1

Page 1978 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0759
: Is the minimum EGR system pressure value
(value of function mode (F42) less than 1
kPa?
NOTE:
Use the value read in step10Z2for function mode F42.
: Clean EGR valve.
CAUTION:
Do not use solv

Page 1979 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0283
AA: DTC P0325
—KNOCK SENSOR CIRCUIT MALFUNCTION
(KNOCK)—
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Poor driving performance
Knocking occurs.
10AA1Check

Page 1980 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
B2M0559
212
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 1981 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0560A
10AA1CHECK HARNESS BETWEEN KNOCK
SENSOR AND ECM CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from ECM.
3) Measure resistance between ECM harness connector
and chassis gr

Page 1982 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0244A
10AA3
CHECK KNOCK SENSOR.
1) Disconnect connector from knock sensor.
2) Measure resistance between knock sensor connector
terminal and engine ground.
: Terminal
No. 1—Engine ground:
Is the

Page 1983 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0292
AB: DTC P0335
—CRANKSHAFT POSITION SENSOR
CIRCUIT MALFUNCTION (CRANK)—
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Engine stalls.
Failure of engine to sta

Page 1984 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0718A
10AB1CHECK HARNESS BETWEEN CRANK-
SHAFT POSITION SENSOR AND ECM
CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from crankshaft position sensor.
3) Measure resistance of ha