1996 SUBARU LEGACY diagram

C: CHECK ENGINE MALFUNCTION
INDICATOR LAMP (MIL) DOES NOT BLINK AT
A CYCLE OF 3 HZ.
DIAGNOSIS:

The CHECK ENGINE malfunction indicator lamp (MIL)
circuit is open or shorted.

Test mode connector circuit is in open.
TROUBLE SYMPTOM:

When inspection mode, MIL does not blink at a cycle of
3 Hz.
7C1Check operation of CHECK ENGINE
malfunction indicator lamp (MIL).
7C2Check output signal from ECM.

7C3Check harness between ECM and test mode
connector.
7C4Check ground circuit.
WIRING DIAGRAM:
B2M0511


83
2-7ON-BOARD DIAGNOSTICS II SYSTEM
7. Diagnostics for CHECK ENGINE Malfunction Indicator Lamp (MIL)

D: CHECK ENGINE MALFUNCTION
INDICATOR LAMP (MIL) REMAINS BLINKING
AT A CYCLE OF 3 Hz.
DIAGNOSIS:

Test mode connector circuit is shorted.
TROUBLE SYMPTOM:

Even though test mode connector is disconnected, MIL
blinks at a cycle of 3 Hz when ignition switch is turned to
ON.
7D1Check harness between ECM connector and
engine grounding terminal.
WIRING DIAGRAM:
B2M0511
86
2-7ON-BOARD DIAGNOSTICS II SYSTEM
7. Diagnostics for CHECK ENGINE Malfunction Indicator Lamp (MIL)

B: STARTER MOTOR CIRCUIT
8B1Check input signal for starter motor.8B2Check ground circuit of starter motor.
8B3Check harness between battery and ignition
switch connector.
8B4

Check inhibitor switch. (AT vehicles only)

Check starter interlock circuit. (MT vehicles
only)
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:

LHD Model
B2M0516


89
2-7ON-BOARD DIAGNOSTICS II SYSTEM
8. Diagnostics for Engine Starting Failure

WIRING DIAGRAM:

RHD Model
B2M0830
90
2-7ON-BOARD DIAGNOSTICS II SYSTEM
8. Diagnostics for Engine Starting Failure

C: CONTROL MODULE POWER SUPPLY AND
GROUND LINE
8C1Check main relay.
8C2Check power supply circuit of ECM.
8C3Check ground circuit of ECM.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:

LHD Model
B2M0519


94
2-7ON-BOARD DIAGNOSTICS II SYSTEM
8. Diagnostics for Engine Starting Failure

WIRING DIAGRAM:

RHD Model
B2M0782
95
2-7ON-BOARD DIAGNOSTICS II SYSTEM
8. Diagnostics for Engine Starting Failure

D: IGNITION CONTROL SYSTEM
8D1Check ignition system for sparks.
8D2Check power supply circuit for ignition coil.
8D3Check ignition coil.
8D4Check harness between ignitor and ignition
coil connector.
8D5Check input signal for ignitor.
8D6Check harness of ignitor ground circuit.
8D7Check harness between ECM and ignitor
connector.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:
B2M0522






99
2-7ON-BOARD DIAGNOSTICS II SYSTEM
8. Diagnostics for Engine Starting Failure

WIRING DIAGRAM:

LHD Model
B2M0525
105
2-7ON-BOARD DIAGNOSTICS II SYSTEM
8. Diagnostics for Engine Starting Failure