Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 366
GD(H4DOTC)-216
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DY:DTC P2004 INTAKE MANIFOLD RUNNER CONTROL STUCK OPEN (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of tumble generator valve motor function.
Judge open fixing malfunction when the opening degree is large even after finishing the tumble generator
valve closing driving.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. 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: 3000 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: Less than 1 second
Secondary Parameters
Enable Conditions
Battery voltage
≥ 10.9 V
Engine coolant temperature
≥ –40 °C (–40 °F)
Ambient air temperature
≥ –40 °C (–40 °F)
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
≥ 64.3 °
Tumble generator valve “close” signal
output
≥ 3200 ms
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
< 64.3 °
Tumble generator valve “close” signal
output
≥ 3200 ms
GD(H4DOTC)-217
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DZ:DTC P2005 INTAKE MANIFOLD RUNNER CONTROL STUCK OPEN (BANK 2)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of tumble generator valve motor function.
Judge open fixing malfunction when the opening degree is large even after finishing the tumble generator
valve closing driving.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. 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: 3000 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: Less than 1 second
Secondary Parameters
Enable Conditions
Battery voltage
≥ 10.9 V
Engine coolant temperature
≥ –40 °C (–40 °F)
Ambient air temperature
≥ –40 °C (–40 °F)
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
≥ 64.3 °
Tumble generator valve “close” signal output
≥ 3200 ms
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
< 64.3 °
Tumble generator valve “close” signal output
≥ 3200 ms
GD(H4DOTC)-218
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EA:DTC P2006 INTAKE MANIFOLD RUNNER CONTROL STUCK CLOSED
(BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of tumble generator valve motor function.
Judge close fixing malfunction when the opening degree is small even after finishing the tumble generator
valve open driving.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. 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: 3000 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: Less than 1 second
Secondary Parameters
Enable Conditions
Battery voltage
≥ 10.9 V
Engine coolant temperature
≥ –40 °C (–40 °F)
Ambient air temperature
≥ –40 °C (–40 °F)
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
< 64.3 °
Tumble generator valve “open” signal output
≥ 4600 ms
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
≥ 64.3 °
Tumble generator valve “open” signal
output
≥ 4600 ms
GD(H4DOTC)-219
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EB:DTC P2007 INTAKE MANIFOLD RUNNER CONTROL STUCK CLOSED
(BANK 2)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of tumble generator valve motor function.
Judge close fixing malfunction when the opening degree is small even after finishing the tumble generator
valve open driving.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. 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: 3000 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: Less than 1 second
Secondary Parameters
Enable Conditions
Battery voltage
≥ 10.9 V
Engine coolant temperature
≥ –40 °C (–40 °F)
Ambient air temperature
≥ –40 °C (–40 °F)
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
< 64.3 °
Tumble generator valve “open” signal output
≥ 4600 ms
Judgment Value
Malfunction Criteria
Threshold Value
Tumble generator valve opening
≥ 64.3 °
Tumble generator valve “open” signal output
≥ 4600 ms
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