1996 SUBARU LEGACY Ecu

B2M0665
BF: DTC P0758
—SHIFT SOLENOID B (SHIFT SOLENOID 2)
ELECTRICAL (ATSFT2)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

No shift
10BF1Check DTC P0758 on display.
Check shift solenoid 2 circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:
OBD0444
10BF1
CHECK DTC P0758 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0758?
: Check shift solenoid 2 circuit.
NOTE:
For the diagnostic procedure on shift solenoid 2 circuit,
refer to 3-2 [T7D0].

307
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

B2M0666
BG: DTC P0760
—SHIFT SOLENOID C (SHIFT SOLENOID 3)
MALFUNCTION (ATOVR
—F)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

Ineffective engine brake with selector lever in“3”
10BG1Check any other DTC (besides DTC P0760) on
display.
10BG2Check inhibitor switch circuit. DTC P0705, 2-7 [T10AT0].>
10BG3Check gear position.
10BG4Check shift solenoid 1 circuit. [T7E0].>
10BG5Check shift solenoid 2 circuit. [T7D0].>
10BG6Check shift solenoid 3 circuit. [T7C0].>
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.






308
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

B2M0667
BH: DTC P0763
—SHIFT SOLENOID C (SHIFT SOLENOID 3)
ELECTRICAL (ATOVR)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

Ineffective engine brake with selector lever in“3”
10BH1Check DTC P0763 on display.
Check shift solenoid 3 circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:
OBD0452
10BH1
CHECK DTC P0763 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0763?
: Check shift solenoid 3 circuit.
NOTE:
For the diagnostic procedure on shift solenoid 3 circuit,
refer to 3-2 [T7C0].

312
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

OBD0458
BI: DTC P1100
—STARTER SWITCH CIRCUIT
MALFUNCTION (ST
—SW)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

Failure of engine to start
10BI1Check operation of starter motor.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:
B2M0516
313
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

B2M0668
BJ: DTC P1101
—NEUTRAL POSITION SWITCH CIRCUIT
MALFUNCTION [MT VEHICLES] (N/P
—SW)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

Erroneous idling
10BJ1Check input signal for ECM.
10BJ2Check neutral position switch.
10BJ3Check harness between ECM and neutral
position switch.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:
B2M0588


315
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

B2M0668
BK: DTC P1101
—NEUTRAL POSITION SWITCH CIRCUIT
MALFUNCTION [AT VEHICLES] (N/P
—SW)
—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

Erroneous idling
10BK1Check input signal for ECM.
10BK2Check harness between ECM and inhibitor
switch.
10BK3Check inhibitor switch.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.



318
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

OBD0481
BL: DTC P1102
—PRESSURE SOURCES SWITCHING
SOLENOID VALVE CIRCUIT MALFUNCTION
(BR)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

Erroneous idling

Failure of engine to start
10BL1Check output signal from ECM.

10BL2Check harness between ECM and pressure
sources switching solenoid valve connector.
10BL3Check harness between ECM and pressure
sources switching solenoid valve connector.
10BL4Check pressure sources switching solenoid
valve.
10BL5Check power supply to pressure sources
switching solenoid valve.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODE.




322
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

OBD0489
BM: DTC P1103
—ENGINE TORQUE CONTROL SIGNAL
CIRCUIT MALFUNCTION (TRQ)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
TROUBLE SYMPTOM:

Excessive shift shock
10BM1Check input signal for ECM.
10BM2Check harness between ECM and TCM
connector.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:
B2M0598

328
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code