Subaru Legacy (2005 year). Service manual — part 222
EN(H4SO 2.5)(diag)-173
ENGINE (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK OPTION CODE.
Is the option code EC, EK, EH,
ER or K4?
Refer to EN(H4SO
2.0) section. <Ref.
to EN(H4SO
2.0)(diag)-64, List
of Diagnostic Trou-
ble Code (DTC).>
NOTE:
Fuel injection sys-
tem for KA and KS
model is the same
as 2.0 L model.
2
CHECK HARNESS BETWEEN IGNITION
SWITCH AND ECM.
1) Disconnect the connector from ECM.
2) Measure the voltage between ECM and
chassis ground.
Connector & terminal
(B135) No. 32 (+) — Chassis ground (
−
):
Is the voltage more than 10 V? Repair the battery
short circuit of har-
ness between igni-
tion switch and
ECM.
Repair the poor
contact in ECM.
EN(H4SO 2.5)(diag)-174
ENGINE (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AR:DTC P0519 IDLE AIR CONTROL SYSTEM PERFORMANCE
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Engine keeps running at higher speed than specified idle speed.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO 2.5)(diag)-
40, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO 2.5)(diag)-33, Inspection Mode.>.
AS:DTC P0600 SERIAL COMMUNICATION LINK
NOTE:
For the diagnostic procedure, refer to LAN section. <Ref. to LAN(diag)-2, Basic Diagnostic Procedure.>
Step
Check
Yes
No
1
CHECK OPTION CODE.
Is the option code EC, EK, EH,
ER or K4?
Refer to EN(H4SO
2.0) section. <Ref.
to EN(H4SO
2.0)(diag)-64, List
of Diagnostic Trou-
ble Code (DTC).>
NOTE:
Fuel injection sys-
tem for KA and KS
model is the same
as 2.0 L model.
2
CHECK ANY OTHER DTC ON DISPLAY.
Is any other DTC displayed?
Check DTC using
“List of Diagnostic
Trouble Code
(DTC)”. <Ref. to
EN(H4SO
2.5)(diag)-69, List
of Diagnostic Trou-
ble Code (DTC).>
NOTE:
In this case, it is
not necessary to
inspect DTC
P0519.
3
CHECK AIR INTAKE SYSTEM.
1) Turn the ignition switch to ON.
2) Start and idle the engine.
3) Check the following items.
• Loose installation of intake manifold and
throttle body
• Cracks of intake manifold gasket and throttle
body gasket
• Disconnections of vacuum hoses
Is there any fault in air intake
system?
Repair air suction
and leaks.
4
CHECK ELECTRONIC THROTTLE CON-
TROL.
1) Turn the ignition switch to OFF.
2) Remove the electronic throttle control.
3) Check the electronic throttle control.
Are foreign matters found
inside the electronic throttle
control?
Remove foreign
matters from the
electronic throttle
control.
Perform the diag-
nosis of DTC
P2101.
EN(H4SO 2.5)(diag)-175
ENGINE (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AT:DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY
(RAM) ERROR
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
• Engine does not start.
• Engine stalls.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO 2.5)(diag)-
40, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO 2.5)(diag)-33, Inspection Mode.>.
WIRING DIAGRAM:
• EC, EK, EH, ER and K4 model
• KA and KS model
NOTE:
Fuel injection system for KA and KS model is the same as 2.0 L model. Refer to EN(H4SO 2.0) section.
EN-03511
SBF-6
MAIN SBF
SBF-7
B72
B6
B5
A6
D2
A7
B12
D3
D7
D1
B19
No.12
B47
E2
B21
6
5
E
E
3
6
B134
B135
A:
D: B137
B:
B4
52
37
36
34
47
3
4
1
2
5
6
B47
No.13
B1
35
B134
5
6
7
8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26 27
28
16 17
18 19 20 21
33 34
29
32
30 31
B135
5
6
7
8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26 27
28
16 17 18 19
20 21
29 30 31
32 33
34 35
B137
5
6
7
8
2
1
9
4
3
10
22 23
11 12 13 14 15
24 25
26
16 17
18 19 20 21
27
28 29
30 31
B21
1 2 3 4
12 13 14 15
5 6 7 8
16 17 18 19
9 10 11
20 21 22
23 24 25 26 27 28 29 30 31 32 33
35
34
37
36
39
38
41
40
43
42
44
45
47
46
49
48
51
50
53
52
54
B72
1
3
4 5 6
2
A:
B:
D:
1
2
1
*
2
*
4
3
ECM
1
*
2
*
MAIN RELAY
TO IGNITION COIL
IGNITION
SWITCH
BATTERY
LHD WITH IMMOBILIZER: D16
LHD WITHOUT IMMOBILIZER: D17
RHD : D16
LHD WITH IMMOBILIZER: D14
LHD WITHOUT IMMOBILIZER: D15
RHD : D14
EN(H4SO 2.5)(diag)-176
ENGINE (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AU:DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM)
ERROR
NOTE:
For the diagnostic procedure, refer to DTC P0607. <Ref. to EN(H4SO 2.5)(diag)-177, DTC P0607 CON-
TROL MODULE PERFORMANCE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
Step
Check
Yes
No
1
CHECK OPTION CODE.
Is the option code EC, EK, EH,
ER or K4?
Refer to EN(H4SO
2.0) section. <Ref.
to EN(H4SO
2.0)(diag)-64, List
of Diagnostic Trou-
ble Code (DTC).>
NOTE:
Fuel injection sys-
tem for KA and KS
model is the same
as 2.0 L model.
2
CHECK ANY OTHER DTC ON DISPLAY.
Is any other DTC displayed?
Inspect the rele-
vant DTC using
“List of Diagnostic
Trouble Code
(DTC)”. <Ref. to
EN(H4SO
2.5)(diag)-69, List
of Diagnostic Trou-
ble Code (DTC).>
Temporary poor
contact occurs.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст