SUBARU LEGACY 1997 Service Repair Manual
Page 2351 of 3342
![SUBARU LEGACY 1997 Service Repair Manual B2M1105
BE: DTC P0507
—IDLE CONTROL SYSTEM RPM HIGHER
THAN EXPECTED—
WIRING DIAGRAM:
B2M0796
NOTE:
Check idle air control system.
<Ref. to 2-7 [T10BE0].>
500
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. SUBARU LEGACY 1997 Service Repair Manual B2M1105
BE: DTC P0507
—IDLE CONTROL SYSTEM RPM HIGHER
THAN EXPECTED—
WIRING DIAGRAM:
B2M0796
NOTE:
Check idle air control system.
<Ref. to 2-7 [T10BE0].>
500
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11.](/img/17/57434/w960_57434-2350.png)
Page 2352 of 3342
![SUBARU LEGACY 1997 Service Repair Manual BF: DTC P0600
—SERIAL COMMUNICATION LINK
MALFUNCTION—
WIRING DIAGRAM:
B2M0797
NOTE:
Check serial communication circuit.
<Ref. to 2-7 [T10BF0].>
501
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic SUBARU LEGACY 1997 Service Repair Manual BF: DTC P0600
—SERIAL COMMUNICATION LINK
MALFUNCTION—
WIRING DIAGRAM:
B2M0797
NOTE:
Check serial communication circuit.
<Ref. to 2-7 [T10BF0].>
501
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic](/img/17/57434/w960_57434-2351.png)
Page 2353 of 3342
![SUBARU LEGACY 1997 Service Repair Manual OBD0376
BG: DTC P0601
—INTERNAL CONTROL MODULE MEMORY
CHECK SUM ERROR—
WIRING DIAGRAM:
B2M1295
NOTE:
Check internal control module memory.
<Ref. to 2-7 [T10BG0].>
502
2-7ON-BOARD DIAGNOSTICS II SY SUBARU LEGACY 1997 Service Repair Manual OBD0376
BG: DTC P0601
—INTERNAL CONTROL MODULE MEMORY
CHECK SUM ERROR—
WIRING DIAGRAM:
B2M1295
NOTE:
Check internal control module memory.
<Ref. to 2-7 [T10BG0].>
502
2-7ON-BOARD DIAGNOSTICS II SY](/img/17/57434/w960_57434-2352.png)
Page 2354 of 3342
![SUBARU LEGACY 1997 Service Repair Manual B2M0655
BH: DTC P0703
—BRAKE SWITCH INPUT MALFUNCTION—
WIRING DIAGRAM:
B2M0905
NOTE:
Check brake switch input signal circuit.
<Ref. to 2-7 [T10BH0].>
503
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diag SUBARU LEGACY 1997 Service Repair Manual B2M0655
BH: DTC P0703
—BRAKE SWITCH INPUT MALFUNCTION—
WIRING DIAGRAM:
B2M0905
NOTE:
Check brake switch input signal circuit.
<Ref. to 2-7 [T10BH0].>
503
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diag](/img/17/57434/w960_57434-2353.png)
Page 2355 of 3342
![SUBARU LEGACY 1997 Service Repair Manual B2M0656
BI: DTC P0705
—TRANSMISSION RANGE SENSOR CIRCUIT
MALFUNCTION—
WIRING DIAGRAM:
B2M1106
NOTE:
Check inhibitor switch circuit.
<Ref. to 2-7 [T10BI0].>
504
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11 SUBARU LEGACY 1997 Service Repair Manual B2M0656
BI: DTC P0705
—TRANSMISSION RANGE SENSOR CIRCUIT
MALFUNCTION—
WIRING DIAGRAM:
B2M1106
NOTE:
Check inhibitor switch circuit.
<Ref. to 2-7 [T10BI0].>
504
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11](/img/17/57434/w960_57434-2354.png)
Page 2356 of 3342

Page 2357 of 3342
![SUBARU LEGACY 1997 Service Repair Manual OBD0392
BK: DTC P0720
—OUTPUT SPEED SENSOR (VEHICLE
SPEED SENSOR 1) CIRCUIT MALFUNCTION
—
WIRING DIAGRAM:
B2M0584
NOTE:
Check vehicle speed sensor 1 circuit.
<Ref. to 2-7 [T10BK0].>
506
2-7ON-BOAR SUBARU LEGACY 1997 Service Repair Manual OBD0392
BK: DTC P0720
—OUTPUT SPEED SENSOR (VEHICLE
SPEED SENSOR 1) CIRCUIT MALFUNCTION
—
WIRING DIAGRAM:
B2M0584
NOTE:
Check vehicle speed sensor 1 circuit.
<Ref. to 2-7 [T10BK0].>
506
2-7ON-BOAR](/img/17/57434/w960_57434-2356.png)
Page 2358 of 3342
![SUBARU LEGACY 1997 Service Repair Manual OBD0404
BL: DTC P0725
—ENGINE SPEED INPUT CIRCUIT
MALFUNCTION—
WIRING DIAGRAM:
B2M0585
NOTE:
Check engine speed signal input circuit.
<Ref. to 2-7 [T10BL0].>
507
2-7ON-BOARD DIAGNOSTICS II SYSTEM
SUBARU LEGACY 1997 Service Repair Manual OBD0404
BL: DTC P0725
—ENGINE SPEED INPUT CIRCUIT
MALFUNCTION—
WIRING DIAGRAM:
B2M0585
NOTE:
Check engine speed signal input circuit.
<Ref. to 2-7 [T10BL0].>
507
2-7ON-BOARD DIAGNOSTICS II SYSTEM](/img/17/57434/w960_57434-2357.png)
Page 2359 of 3342

Page 2360 of 3342
![SUBARU LEGACY 1997 Service Repair Manual WIRING DIAGRAM:
B2M1287
NOTE:
Check shift change control system.
<Ref. to 2-7 [T10BM0].>
509
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic Chart with Trouble Code for RHD Vehicles SUBARU LEGACY 1997 Service Repair Manual WIRING DIAGRAM:
B2M1287
NOTE:
Check shift change control system.
<Ref. to 2-7 [T10BM0].>
509
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic Chart with Trouble Code for RHD Vehicles](/img/17/57434/w960_57434-2359.png)
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