Page 2049 of 2890
OBD0376
AR: DTC P0601
—INTERNAL CONTROL MODULE MEMORY
CHECK SUM ERROR (RAM)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Engine does not start.
Engine stalls.
10AR1Check DTC P0601 on display.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
LHD Model
B2M0519
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10. Diagnostics Chart with Trouble Code
Page 2050 of 2890
WIRING DIAGRAM:
RHD Model
B2M0798
10AR1
CHECK DTC P0601 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0601?
: Replace ECM.
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10. Diagnostics Chart with Trouble Code
Page 2051 of 2890
B2M0655
AS: DTC P0703
—BRAKE SWITCH INPUT MALFUNCTION
(ATBRK)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
10AS1Check operation of brake light.
10AS2Check harness between TCM and brake light
switch connector.
10AS3Check input signal for TCM.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
OBD0587
283
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10. Diagnostics Chart with Trouble Code
Page 2055 of 2890
WIRING DIAGRAM:
B2M0767
287
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10. Diagnostics Chart with Trouble Code
Page 2061 of 2890
OBD0380
AU: DTC P0710
—TRANSMISSION FLUID TEMPERATURE
SENSOR CIRCUIT MALFUNCTION (ATF)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No shift up to 4th speed (after engine warm-up)
No lock-up (after engine warm-up)
Excessive shift shock
10AU1Check DTC P0710 on display.
Check ATF temperature sensor circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
OBD0383
10AU1
CHECK DTC P0710 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0710?
: Check ATF temperature sensor circuit.
NOTE:
For the diagnostic procedure on transmission fluid tem-
perature sensor circuit, refer to 3-2 [T7F0].
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10. Diagnostics Chart with Trouble Code
Page 2062 of 2890
OBD0392
AV: DTC P0720
—OUTPUT SPEED SENSOR (VEHICLE
SPEED SENSOR 1) CIRCUIT MALFUNCTION
(ATVSP)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No shift or excessive tight corner“braking”
10AV1Check DTC P0720 on display.
Check vehicle speed sensor 1 circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
B2M0584
10AV1
CHECK DTC P0720 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0720?
: Check vehicle speed sensor 1 circuit.
NOTE:
For the diagnostic procedure on vehicle speed sensor 1
circuit, refer to 3-2 [T7L0].
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10. Diagnostics Chart with Trouble Code
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OBD0404
AW: DTC P0725
—ENGINE SPEED INPUT CIRCUIT
MALFUNCTION (ATNE)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No lock-up (after engine warm-up)
AT diagnostic indicator light (AT OIL TEMP indicator
light) remains on when vehicle speed is“0”.
10AW1Check DTC P0725 on display.
Check engine speed input signal circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
B2M0585
10AW1
CHECK DTC P0725 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0725?
: Check engine speed input signal circuit.
NOTE:
For the diagnostic procedure on engine speed input circuit,
refer to 3-2 [T7H0].
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10. Diagnostics Chart with Trouble Code
Page 2066 of 2890
WIRING DIAGRAM:
B2M0586
10BA1CHECK ANY OTHER DTC (BESIDES DTC
P0731, P0732, P0733, P0734) ON DIS-
PLAY.
: Is there any other DTC on display?
: Inspect relevant DTC using“10. Diagnostics Chart
with Trouble Code, 2-7 [T1000]”.
: Go to step10BA2.
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10. Diagnostics Chart with Trouble Code
