1996 SUBARU LEGACY Service Repair Manual

Page 97 of 2890

SUBARU LEGACY 1996  Service Repair Manual 2-7
[T11L0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
11
.
DiagnosticsChart
with
Trouble
Code

L
:
DTC
P0135

-
FRONT
OXYGEN
SENSOR
HEATER
CIRCUIT

MALFUNCTION
(F02H)
-

WIRING
DIAGRAM
:

Main
relay
0

0

-i
~
r

Page 98 of 2890

SUBARU LEGACY 1996  Service Repair Manual 
ON-BOARD
DIAGNOSTICS
11
SYSTEM
Riinnoll
2-7

11
.
DiagnosticsChart
with
Trouble
Code

M
:
DTC
P0136

-
REAR
OXYGEN
SENSOR
CIRCUIT

MALFUNCTION
(R02
-
V)
-

WIRING
DIAGRAM
:

n

SBF-2

O
I
(
Rear
oxyg

Page 99 of 2890

SUBARU LEGACY 1996  Service Repair Manual 2-7
[TI
1N0]
ON-BOARD
DIAGNOSTICS
11
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

N
:
DTC
P0139

-
REAR
OXYGEN
SENSOR
CIRCUIT
SLOW

RESPONSE
(R02
-
R)
-

WIRING
DIAGRAM
:

Main
re
0

B47

SBF-2

Page 100 of 2890

SUBARU LEGACY 1996  Service Repair Manual 
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[Ti1ooi
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

O
:
DTC
P0141

-
REAR
OXYGENSENSOR
HEATER
CIRCUIT

MALFUNCTION
(R02H)
-

WIRING
DIAGRAM
:

Main
rel
0
<-O
O
o

B4

Page 101 of 2890

SUBARU LEGACY 1996  Service Repair Manual 2-7
[T11Po]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

P
:
DTC
P0170

-
FUEL
TRIM
MALFUNCTION
(FUEL)
-

NOTE
:

For
the
diagnostic

(DTC
P0170),
refer

procedure
on
fuel

Page 102 of 2890

SUBARU LEGACY 1996  Service Repair Manual 
ON-BOARD
DIAGNOSTICS
11
SYSTEM
[TylTOi
2-7

11
.
DiagnosticsChart
with
Trouble
Code

Q
:
DTC
P0201

-
FUELINJECTOR
CIRCUIT
MALFUNCTION
-

#1
(INJ1)
-

R
:
DTC
P0202

-
FUELINJECTOR
CIRCUIT
MALFUNCTIO

Page 103 of 2890

SUBARU LEGACY 1996  Service Repair Manual 2-7
[T11U0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

U
:
DTC
P0301

-
CYLINDER
1
MISFIRE
DETECTED

(MIS-1)
-

V
:
DTC
P0302

-
CYLINDER
2
MISFIRE
DETECTED

(MIS-2)
-

Page 104 of 2890

SUBARU LEGACY 1996  Service Repair Manual 
ON-BOARD
DIAGNOSTICS
II
SYSTEM
Riivol
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

Y
:
DTC
P0325

-
KNOCK
SENSOR
CIRCUIT
MALFUNCTION

(KNOCK)
-

WIRING
DIAGRAM
:

B84
B21
E2
E14

------------------