Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service 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)
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