Subaru Outback manuals

Subaru Outback: DTC P0107, P0108, P0111, P0112, P0113, P0117, P0118, P0122, P0123, P0125, P0126, P0128

Subaru Outback (BR) 2010-2015 Service Manual / Engine - H4SO / General Description (Diagnostic Trouble Code (DTC) ) / DTC P0107, P0108, P0111, P0112, P0113, P0117, P0118, P0122, P0123, P0125, P0126, P0128

P: DTC P0107 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE CIRCUIT LOW INPUT

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of intake manifold pressure sensor.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Output voltage
  2. Absolute pressure
  1. Connector
  2. Terminals
  3. O-ring

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

Q: DTC P0108 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE CIRCUIT HIGH INPUT

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of intake manifold pressure sensor.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Output voltage
  2. Absolute pressure
  1. Connector
  2. Terminals
  3. O-ring

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

R: DTC P0111 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE

1. OUTLINE OF DIAGNOSIS

Detect the malfunction of intake air temperature sensor output property.

Judge as NG when the intake air temperature is not varied whereas it seemed to be varied from the viewpoint of engine condition.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Air
  1. Air flow sensor
  2. Intake air temperature sensor
  3. Resistance value (Ω)
  4. Intake air temperature ºC (ºF)

3. ENABLE CONDITION

Subaru Outback. General Description

Map 1

Subaru Outback. General Description

Map 2

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Perform the diagnosis when the vehicle speed condition is met after warming up from a cold condition.

5. DIAGNOSTIC METHOD

Judge as NG when the following conditions are established.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Judge as OK and clear the NG if the following conditions are established.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

S: DTC P0112 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT LOW

1. OUTLINE OF DIAGNOSIS

Detect open or short circuit of the intake air temperature sensor.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Air
  1. Air flow sensor
  2. Intake air temperature sensor
  3. Resistance value (Ω)
  4. Intake air temperature ºC (ºF)

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

T: DTC P0113 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT HIGH

1. OUTLINE OF DIAGNOSIS

Detect open or short circuit of the intake air temperature sensor.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Air
  1. Air flow sensor
  2. Intake air temperature sensor
  3. Resistance value (Ω)
  4. Intake air temperature ºC (ºF)

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

U: DTC P0117 ENGINE COOLANT TEMPERATURE CIRCUIT LOW

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of the engine coolant temperature sensor.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Resistance value (kΩ)
  2. Temperature ºC (ºF)
  1. Connector
  2. Thermistor element

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

V: DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of the engine coolant temperature sensor.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Resistance value (kΩ)
  2. Temperature ºC (ºF)
  1. Connector
  2. Thermistor element

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

W: DTC P0122 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of throttle position sensor 1.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Throttle position sensor 1 signal
  2. Throttle position sensor 2 signal
  3. Throttle position sensor
  4. Engine control module (ECM)

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 24 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 24 ms

X: DTC P0123 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of throttle position sensor 1.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Throttle position sensor 1 signal
  2. Throttle position sensor 2 signal
  3. Throttle position sensor
  4. Engine control module (ECM)

3. ENABLE CONDITION

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer thaJudgment Valuen the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 24 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judge as OK and clear the N

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 24 ms

Y: DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL

1. OUTLINE OF DIAGNOSIS

Detect the malfunction of engine coolant temperature output property.

Judge as NG when the engine coolant temperature does not rise in driving conditions where it should.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Resistance value (kΩ)
  2. Temperature ºC (ºF)
  1. Connector
  2. Thermistor element

3. ENABLE CONDITION

Subaru Outback. General Description

Map

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Perform the diagnosis only once after engine start.

5. DIAGNOSTIC METHOD

Judge as NG if the criteria below are met.

Judgment Value

Subaru Outback. General Description

Timer for diagnosis after engine start

a. Timer stop at fuel cut
b. During the driving conditions except a) above, timer counts up as follows.
64 ms + TWCNT ms (when at 64 ms)
TWCNT is defined as follows,
TWCNT = 0 at idle switch ON,
TWCNT show on the following table at idle switch OFF.

Subaru Outback. General Description

Judgment value of timer after engine starting

t = 573669 ms - 33924 ms × Ti

Ti : The lowest coolant temperature after engine start

Time Needed for Diagnosis: Less than 1 second

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Judge as OK and clear the NG when the malfunction criteria below are met.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

Z: DTC P0126 INSUFFICIENT ENGINE COOLANT TEMPERATURE FOR STABLE OPERATION

1. OUTLINE OF DIAGNOSIS

Detect the malfunction of the engine coolant temperature sensor characteristics.

When the ignition is ON after the specified period of soaking time has elapsed, compare the engine coolant temperature with intake air temperature. Judge as NG if the difference between two temperatures is larger than the predetermined value and the engine coolant temperature becomes the specified value or more.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Resistance value (kΩ)
  2. Temperature ºC (ºF)
  1. Connector
  2. Thermistor element

3. ENABLE CONDITION

Subaru Outback. General Description

Map

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Perform the diagnosis only once after starting the engine.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: 512 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Time Needed for Diagnosis: Less than 1 second

AA:DTC P0128 COOLANT THERMOSTAT (ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)

1. OUTLINE OF DIAGNOSIS

Detect malfunctions of the thermostat function.

Judge as NG when any one of the following conditions is established.

2. COMPONENT DESCRIPTION

Subaru Outback. General Description

  1. Valve
  2. Spring
  3. Stopper
  4. Piston
  5. Guide
  6. Rubber seal
  7. Stop ring
  8. Wax element
  9. Jiggle valve

3. ENABLE CONDITION

Subaru Outback. General Description

Map 1

Subaru Outback. General Description

Map 2

Subaru Outback. General Description

Map 3

Subaru Outback. General Description

4. GENERAL DRIVING CYCLE

Perform the diagnosis only once after starting the engine.

5. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Subaru Outback. General Description

Map 4

Subaru Outback. General Description

Map 5

Subaru Outback. General Description

Map 6

Subaru Outback. General Description

Map 7

Subaru Outback. General Description

Map 8

Subaru Outback. General Description

Map 9

Subaru Outback. General Description

Time Needed for Diagnosis: 300 - 700 seconds

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgment Value

Subaru Outback. General Description

Map 10

Subaru Outback. General Description

Time Needed for Diagnosis: 300 - 700 seconds

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 Main fuse

Main fuse box The main fuses are designed to melt during an overload to prevent damage to the wiring harness and electrical equipment. Check the main fuses if any electrical component fails to operate (except the starter motor) and other fuses are good. A melted main fuse must be replaced.

 Basic Diagnostic Procedure

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