Page 1842 of 2870

EN(H4DOTC)-209
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BG:DTC P0506 IDLE CONTROL SYSTEM RPM LOWER THAN EXPECTED
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Engine is difficult to start.
Engine does not start.
Erroneous idling
Engine stalls.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
WIRING DIAGRAM:
EN-02339
BATTERY MAIN RELAY
EE
7 6
4
5
3
2
1RHD
RHDLHD LHD
27
IDLE
AIR CONTROL
SOLENOID
VALVE
1
3
E7
B47
B4734
12
56
F44
12345678
B134
F44B61
B134
ECM
2
1
RHD
RHD
LHD LHD
B100
F2
F60B21
E3
15
SBF-5
: LHD : RHD
F60
B22 : LHD
: RHD
E7
123
125678
131415169101112
34
17181920
123
4
56
78
9
1011 12
1314 15 16
F74
F61
B21 : LHD
: RHDRHD RHD
E3
B2212
LHD
LHD
12
E2
F61
F74
B200
34
128910 11
12 13 14 15 16 17 18 19 20 21 22 23 2456 7
F2
1234 5678910 11 12 13 14 15 16 17 18 19 20
E2
: LHD : RHD
20
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
Page 1844 of 2870

EN(H4DOTC)-211
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BH:DTC P0507 IDLE CONTROL SYSTEM RPM HIGHER THAN EXPECTED
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Engine keeps running at higher revolution than specified idling revolution
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
WIRING DIAGRAM:
EN-02339
BATTERY MAIN RELAY
EE
7 6
4
5
3
2
1RHD
RHDLHD LHD
27
IDLE
AIR CONTROL
SOLENOID
VALVE
1
3
E7
B47
B4734
12
56
F44
12345678
B134
F44B61
B134
ECM
2
1
RHD
RHD
LHD LHD
B100
F2
F60B21
E3
15
SBF-5
: LHD : RHD
F60
B22 : LHD
: RHD
E7
123
125678
131415169101112
34
17181920
123
4
56
78
9
1011 12
1314 15 16
F74
F61
B21 : LHD
: RHDRHD RHD
E3
B2212
LHD
LHD
12
E2
F61
F74
B200
34
128910 11
12 13 14 15 16 17 18 19 20 21 22 23 2456 7
F2
1234 5678910 11 12 13 14 15 16 17 18 19 20
E2
: LHD : RHD
20
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
Page 1846 of 2870

EN(H4DOTC)-213
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BI: DTC P0508 IDLE CONTROL SYSTEM CIRCUIT LOW
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Erroneous idling
Engine stalls.
Engine breathing
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
WIRING DIAGRAM:
EN-02339
BATTERY MAIN RELAY
EE
7 6
4
5
3
2
1RHD
RHDLHD LHD
27
IDLE
AIR CONTROL
SOLENOID
VALVE
1
3
E7
B47
B4734
12
56
F44
12345678
B134
F44B61
B134
ECM
2
1
RHD
RHD
LHD LHD
B100
F2
F60B21
E3
15
SBF-5
: LHD : RHD
F60
B22 : LHD
: RHD
E7
123
125678
131415169101112
34
17181920
123
4
56
78
9
1011 12
1314 15 16
F74
F61
B21 : LHD
: RHDRHD RHD
E3
B2212
LHD
LHD
12
E2
F61
F74
B200
34
128910 11
12 13 14 15 16 17 18 19 20 21 22 23 2456 7
F2
1234 5678910 11 12 13 14 15 16 17 18 19 20
E2
: LHD : RHD
20
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
Page 1848 of 2870

EN(H4DOTC)-215
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BJ:DTC P0509 IDLE CONTROL SYSTEM CIRCUIT HIGH
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Erroneous idling
Engine stalls.
Engine breathing
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
WIRING DIAGRAM:
EN-02339
BATTERY MAIN RELAY
EE
7 6
4
5
3
2
1RHD
RHDLHD LHD
27
IDLE
AIR CONTROL
SOLENOID
VALVE
1
3
E7
B47
B4734
12
56
F44
12345678
B134
F44B61
B134
ECM
2
1
RHD
RHD
LHD LHD
B100
F2
F60B21
E3
15
SBF-5
: LHD : RHD
F60
B22 : LHD
: RHD
E7
123
125678
131415169101112
34
17181920
123
4
56
78
9
1011 12
1314 15 16
F74
F61
B21 : LHD
: RHDRHD RHD
E3
B2212
LHD
LHD
12
E2
F61
F74
B200
34
128910 11
12 13 14 15 16 17 18 19 20 21 22 23 2456 7
F2
1234 5678910 11 12 13 14 15 16 17 18 19 20
E2
: LHD : RHD
20
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
Page 1850 of 2870
EN(H4DOTC)-217
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BK:DTC P0512 STARTER REQUEST CIRCUIT
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Failure of engine to start
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
WIRING DIAGRAM:
EN-02311
BATTERY
INHIBITOR SWITCH
IGNITION
SWITCH
STARTER
MOTOR
SBF-4SBF-1
B72
B72
B14
B137
ECM
EE
1
3
D8
3412
B137
T3B12MT
AT
AT
MT
1112712
PR
N
D3
21
T7
B12
123
8
9
10
4
11
1256
7
T7
123
8910411 1256
7567
82 1
94 310
22 23 11 12 13 14 15
24 25
2616 17
18 19 20 21
27 28 29 30 31
Page 1852 of 2870

EN(H4DOTC)-219
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BL:DTC P0519 IDLE CONTROL SYSTEM MALFUNCTION (FAIL-SAFE)
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Engine keeps running at higher revolution than specified idling revolution.
Fuel is cut according to fail-safe function.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
WIRING DIAGRAM:
EN-02339
BATTERY MAIN RELAY
EE
7 6
4
5
3
2
1RHD
RHDLHD LHD
27
IDLE
AIR CONTROL
SOLENOID
VALVE
1
3
E7
B47
B4734
12
56
F44
12345678
B134
F44B61
B134
ECM
2
1
RHD
RHD
LHD LHD
B100
F2
F60B21
E3
15
SBF-5
: LHD : RHD
F60
B22 : LHD
: RHD
E7
123
125678
131415169101112
34
17181920
123
4
56
78
9
1011 12
1314 15 16
F74
F61
B21 : LHD
: RHDRHD RHD
E3
B2212
LHD
LHD
12
E2
F61
F74
B200
34
128910 11
12 13 14 15 16 17 18 19 20 21 22 23 2456 7
F2
1234 5678910 11 12 13 14 15 16 17 18 19 20
E2
: LHD : RHD
20
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
Page 1863 of 2870

EN(H4DOTC)-230
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BR:DTC P0604 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM)
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
ERATION, Clear Memory Mode.> and Inspection Mode .
WIRING DIAGRAM:
LHD model
EN-02312
F74
B72
34
12
BATTERYIGNITION
SWITCH MAIN RELAY
SBF-4SBF-1
SBF-5
B72 TO FRONT OXYGEN (A/F) SENSOR
D16 D7
B12
A6
A7
B4
B1
D1
D2
A34B5
D6
B19
D14
No.11
B61F44
B47
B100
F2
E3 F60 1 2 3 5 6 4
ECM
EE
14
B134
B137 B135 A :
B :
C :B136
D :
14
7
3412
56
123
4
56
78
9
1011 12
1314 15 16
F60B47
B137
F2
B100F2
11
10
20
8
9 13
14
3
15
16
B135
F44
567
82 1
94 310
24 22 23 2511 12 13 14 15
26 27
2816 17 18 19
20 21
29 30 31 32 33 34 35
12345678
34
12 8910 11
12 13 14 15 16 17 18 19 20 21 22 23 2456 71234 5678910 11 12 13 14 15 16 17 18 19 20
567
82 1
94 310
22 23 11 12 13 14 15
24 25
2616 17
18 19 20 21
27 28 29 30 31
F74 B200
MT
MT
B134
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
B136
56
782 1
94 310
24 22 23 2511 12 13
1415
26 27
2816
17 18 19 20 21
33 34 29
32 30
31 35
Page 1904 of 2870

EN(H4DOTC)-271
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
CL:DTC P1110 ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNCTION
(LOW INPUT)
DTC DETECTING CONDITION:
Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
CM:DTC P1111 ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNCTION
(HIGH INPUT)
DTC DETECTING CONDITION:
Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
ERATION, Clear Memory Mode.> and Inspection Mode .
Step Check Yes No
1 CHECK HARNESS BETWEEN ECM AND
TUMBLE GENERATOR VALVE ACTUATOR
CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from tumble gen-
erator valve connector.
3) Measure the voltage between tumble gen-
erator valve actuator and chassis ground.
Connector & terminal
(E51) No. 1 (+) — Chassis ground (
−):
(E51) No. 2 (+) — Chassis ground (
−):Is the voltage less than 5 V? Replace the tum-
ble generator valve
assembly.
FU(H4DOTC)-42,
Tumble Generator
Valve Assembly.>Repair the battery
short circuit
between ECM and
tumble generator
valve actuator.
Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY.Does the Subaru Select Moni-
tor or OBD-II general scan tool
indicate DTC P1110?Replace the ECM.
FU(H4DOTC)-50,
Engine Control
Module (ECM).>
N
OTE:
Atmospheric pres-
sure sensor is built
in ECM.Temporary poor
contact occurs.
Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY.Does the Subaru Select Moni-
tor or OBD-II general scan tool
indicate DTC P1111?Replace the ECM.
FU(H4DOTC)-50,
Engine Control
Module (ECM).>
NOTE:
Atmospheric pres-
sure sensor is built
in ECM.Temporary poor
contact occurs.