Subaru Legacy III (2000-2003 year). Service manual — part 362
EN(H6DO)-250
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
Value
Yes
No
1
CHECK ANY OTHER DTC ON DISPLAY.
Is any other DTC displayed?
Another DTC is displayed.
Inspect the rele-
vant DTC using
“List of Diagnostic
Trouble Code
(DTC)”. <Ref. to
EN(H6DO)-89, List
of Diagnostic
Trouble Code
(DTC).>
Check radiator fan
and fan motor.
<Ref. to
CO(H6DO)-7,
INSPECTION,
Radiator Main Fan
System.> and
<Ref. to
CO(H6DO)-15,
INSPECTION,
Radiator Sub Fan
System.>
EN(H6DO)-251
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
BF:DTC P0502 — VEHICLE SPEED SENSOR CIRCUIT LOW INPUT —
NOTE:
For the diagnostic procedure, refer to DTC P0503. <Ref. to EN(H6DO)-252, DTC P0503 — VEHICLE
SPEED SENSOR INTERMITTENT/ERRATIC/HIGH —, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
EN(H6DO)-252
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
BG:DTC P0503 — VEHICLE SPEED SENSOR INTERMITTENT/ERRATIC/HIGH —
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6DO)-54, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)-47, OPERATION, Inspec-
tion Mode.>.
• WIRING DIAGRAM:
EN-01263
B55
B:
B54
A:
B56
C:
TCM
B18
C17
A10
SPEEDOMETER
CIRCUIT
i10
COMBINATION
METER
B134
11
FRONT VEHICLE
SPEED SENSOR
17
18
5
6
4
B53
B11
T4
E4
B36
i1
B11
i10
B56
C:
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
B55
B:
1
B134
ECM
1 2
5
6 7
8
13
14 15
16
9 10
11 12
3 4
17 18
19 20
1 2 3 4
10 11 12
19 20 21
13
5 6
14 15
7
8
9
16
17
18
22
23
24
1 2 3 4
10 11 12
19 20 21
13
5
6
14 15
7
8 9
16 17
18
22
1 2
7
8
9
5 6
3 4
10 11 12
19 20 21
13
14 15
16
17
18
22
23
24
B36
B4 B5 B6
A4 A5 A6
C5 C6
F6
D4 D5 D6
F1
H1
C4
G6
G1
C2
K1
M1 M2
K6
L1
D1 D2
A1 A2
B1 B2
I6
J6
L2
I1
J1
H6
M4 M5 M6
L4 L5 L6
N5 N6
O4 O5 O6
N4
P4 P5
N2
O1 O2
P1 P2
N3
O3
P3
P6
A3
B3
C3
E4 E5 E6
E1 E2
A:
B54
1 2
7
8
9
5 6
3 4
10 11 12
19 20 21
13
14 15
16
17
18
22
23
24
B53
1 2 3 4 5 6 7 8 9 10 11 12
EN(H6DO)-253
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
Value
Yes
No
1
CHECK DTC P0720 ON DISPLAY.
Does the Subaru Select Monitor or OBD-II
general scan tool indicate DTC P0720?
DTC P0720 is indicated.
Check front vehi-
cle speed sensor
signal circuit.
<Ref. to AT-58,
DTC 33 FRONT
VEHICLE SPEED
SENSOR, Diag-
nostic Procedure
with Diagnostic
Trouble Code
(DTC).>
2
CHECK SPEEDOMETER OPERATION IN
COMBINATION METER.
Does speedometer operate normally?
Operates properly.
Check speedome-
ter and vehicle
speed sensor.
<Ref. to IDI-18,
Speedometer.>,
<Ref. to AT-54,
Front Vehicle
Speed Sensor.>,
<Ref. to AT-58,
Rear Vehicle
Speed Sensor.>
and <Ref. to AT-
59, Torque Con-
verter Turbine
Speed Sensor.>
3
CHECK HARNESS BETWEEN ECM AND
COMBINATION METER CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from combination
meter.
3) Measure resistance between ECM and
combination meter.
Connector & terminal
(B134) No. 1 — (i10) No. 11:
Is the measured value less than the speci-
fied value?
10
Ω
Repair poor con-
tact in ECM con-
nector.
Repair harness
and connector.
NOTE:
In this case, repair
the following:
• Open circuit in
harness between
ECM and combi-
nation meter con-
nector
• Poor contact in
ECM connector
• Poor contact in
combination meter
connector
• Poor contact in
coupling connector
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст