Subaru Outback manuals

Subaru Outback: Malfunction Indicator Light

A: PROCEDURE

Subaru Outback. Engine (Diagnostics)

B: ACTIVATION OF MALFUNCTION INDICATOR LIGHT

1) When the ignition switch is turned to ON (engine OFF), the malfunction indicator light (A) in the combination meter illuminates.

NOTE: If the malfunction indicator light does not illuminate, perform diagnostics of the malfunction indicator light circuit or the combination meter circuit. <Ref. to EN(H4SO)(diag)-55, MALFUNCTION INDICATOR LIGHT DOES NOT COME ON, Malfunction Indicator Light.>

Subaru Outback. Engine (Diagnostics)

2) After starting the engine, the malfunction indicator light goes out. If it does not go off, any of the engine and emission control system has malfunction.

Subaru Outback. Engine (Diagnostics)

  1. No faulty
  2. Trouble occurs
  3. ON
  4. OFF
  5. Ignition switch ON
  6. Engine start

3) If the diagnostic system detects a misfire which could damage the catalyst, the malfunction indicator light will blink at a cycle of 1 Hz.

Subaru Outback. Engine (Diagnostics)

  1. ON
  2. OFF
  3. Ignition switch ON
  4. Engine start
  5. Misfire start
  6. 1 second

4) Install the delivery (test) mode fuse (A) with ignition switch to OFF.

CAUTION: Do not use any fuses that are installed on the vehicle.

Subaru Outback. Engine (Diagnostics)

  1. When the ignition switch is turned to ON (engine OFF), the malfunction indicator light illuminates.
  2. After the engine starts, malfunction indicator light blinks in a cycle of 0.5 Hz. (During diagnosis)
  3. Malfunction indicator light blinks at a cycle of 3 Hz after diagnosis if there is no trouble. Malfunction indicator light illuminates if faulty.

Subaru Outback. Engine (Diagnostics)

  1. ON
  2. OFF
  3. Ignition switch ON
  4. 1 second

C: MALFUNCTION INDICATOR LIGHT DOES NOT COME ON

TROUBLE SYMPTOM:

When the ignition switch is turned to ON (engine OFF), malfunction indicator light does not illuminate.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

D: MALFUNCTION INDICATOR LIGHT DOES NOT GO OFF

TROUBLE SYMPTOM:

Although malfunction indicator light comes on when the engine runs, DTC is not shown on the Subaru Select Monitor or general scan tool display.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

E: MALFUNCTION INDICATOR LIGHT DOES NOT BLINK

DIAGNOSIS:

TROUBLE SYMPTOM:

Malfunction indicator light does not blink during Inspection Mode.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

F: MALFUNCTION INDICATOR LIGHT REMAINS BLINKING

DIAGNOSIS:

The delivery (test) mode fuse circuit is short-circuited to ground.

TROUBLE SYMPTOM:

Malfunction indicator light blinks when delivery (test) mode fuse is not connected.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Diagnostics for Engine Starting Failure

A: PROCEDURE

Subaru Outback. Engine (Diagnostics)

B: STARTER MOTOR CIRCUIT

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, Inspection Mode.>.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

C: CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MODULE (ECM)

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

D: IGNITION CONTROL SYSTEM

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, Inspection Mode.>.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

E: FUEL PUMP CIRCUIT

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-51, OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-40, PROCEDURE, Inspection Mode.>.

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

F: FUEL INJECTOR CIRCUIT

CAUTION:

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Diagnostic Procedure for Subaru Select Monitor Communication

A: COMMUNICATION FOR INITIALIZING IMPOSSIBLE

DIAGNOSIS:

Open or short circuit in data link connector

TROUBLE SYMPTOM:

Subaru Select Monitor communication failure

WIRING DIAGRAM:

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

List of Diagnostic Trouble Code (DTC)

A: LIST

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

Subaru Outback. Engine (Diagnostics)

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 Diagnostic Procedure with Diagnostic Trouble Code (DTC)

 DTC P0026, P0028, P0030, P0031, P0032, P0037, P0038, P0068, P0076, P0077, P0082, P0083, P0101, P0102, P0103, P0107, P0108, P0111, P0112, P0113, P0117, P0118, P0122, P0123, P0125, P0126

A: DTC P0026 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PERFORMANCE (BANK 1) DTC DETECTING CONDITION: Immediately at fault recognition GENERAL DESCRIPTION <Ref. to GD(H4SO)-9, DTC P0026 INTAKE

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AA:DTC P0128 COOLANT THERMOSTAT (ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE) DTC DETECTING CONDITION: Detected when two consecutive driving cycles with fault occur. GENERAL

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