Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 374

GD(H4DOTC)-248

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

5. DIAGNOSTIC METHOD

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

Time Needed for Diagnosis: 600 ms

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
Judge as OK and clear the NG if the continuous time while the following conditions are established is more

than the predetermined time.

Time Needed for Diagnosis: 400 ms

Judgment Value

Malfunction Criteria

Threshold Value

Motor power voltage

≥ 5 V

Judgment Value

Malfunction Criteria

Threshold Value

Motor power voltage

< 5 V

GD(H4DOTC)-249

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

EX:DTC P2109 THROTTLE/PEDAL POSITION SENSOR “A” MINIMUM STOP

PERFORMANCE

1. OUTLINE OF DIAGNOSIS

Judge as NG when full close point learning cannot conducted or abnormal value is detected.

2. COMPONENT DESCRIPTION

3. ENABLE CONDITIONS

4. GENERAL DRIVING CYCLE

Perform the diagnosis at full closed point learning.

(1)

Engine control module (ECM)

(3)

Motor

(4)

Throttle position sensor

(2)

Drive circuit

Secondary Parameters

Enable Conditions

Ignition switch

ON → OFF

Ignition switch (only after clear memory)

OFF → ON

EN-01869

(1)

(2)

(3)

(4)

GD(H4DOTC)-250

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

5. DIAGNOSTIC METHOD

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

Time Needed for Diagnosis: 8 ms — 80 ms

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
Judge as OK and clear the NG if the continuous time while the following conditions are established is more

than the predetermined time.

Time Needed for Diagnosis: 8 ms

Judgment Value

Malfunction Criteria

Threshold Value

Throttle sensor opening angle at full close point learning

< 9.884 °
or
> 20.116 °

or

Throttle opening angle when the ignition switch is ON – Throt-
tle minimum stop position

< 0.887 ° (models without SI-DRIVE)
< 1.637 ° (models with SI-DRIVE)

Judgment Value

Malfunction Criteria

Threshold Value

Throttle sensor opening angle at full close point learning

≥ 9.884 °
and

≤ 20.116 °

Throttle opening angle when the ignition switch is ON – Throt-
tle minimum stop position

≥ 0.887 ° (models without SI-DRIVE)

≥ 1.637 ° (models with SI-DRIVE)

GD(H4DOTC)-251

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

EY:DTC P2119 THROTTLE ACTUATOR CONTROL THROTTLE BODY RANGE/

PERFORMANCE

1. OUTLINE OF DIAGNOSIS

Judge as NG when the target opening angle and actual opening angle is mismatched or the current to motor

is the specified duty or more for specified time continuously.

2. COMPONENT DESCRIPTION

3. ENABLE CONDITIONS

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously when the electronic throttle control is operating.

(1)

Motor

(3)

Engine control module (ECM)

(4)

Drive circuit

(2)

Throttle position sensor

Secondary Parameters

Enable Conditions

Ignition switch

ON

Normal operation of electronic throttle control

ON

EN-01863

(3)

(4)

(1)

(2)