Subaru Legacy IV (2008 year). Manual - part 644

GD(H6DO)-196

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

5. DIAGNOSTIC METHOD

• Abnormality Judgement

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 Judgement

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

Judgement Value

Malfunction criteria

Threshold value

Motor power voltage

t 5 V

Judgement Value

Malfunction criteria

Threshold value

Motor power voltage

< 5 V

GD(H6DO)-197

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

EM: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 CONDITION

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 

o OFF

Ignition switch (only after clear memory)

OFF 

o ON

EN-01869

(1)

(2)

(3)

(4)

GD(H6DO)-198

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

5. DIAGNOSTIC METHOD

• Abnormality Judgement

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 Judgement

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

Judgement Value

Malfunction criteria

Threshold value

Throttle sensor opening angle at full 
close point learning

< 10.127 °

 or

 

> 19.872 °

or

 

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

< 1.683 °

Judgement Value

Malfunction criteria

Threshold value

Throttle sensor opening angle at full 
close point learning

t 10.127 °

 and

d 19.872 °

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

t 1.683 °

GD(H6DO)-199

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

EN:DTC P2122 THROTTLE/PEDAL POSITION SENSOR/SWITCH “D” CIRCUIT 

LOW INPUT

1. OUTLINE OF DIAGNOSIS

Detect the open or short circuit of accelerator pedal position sensor 1.
Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

(1)

Engine control module (ECM)

(3)

Accelerator pedal position sensor 
2 signal

(4)

Accelerator pedal position sensor

(2)

Accelerator pedal position sensor 
1 signal

Secondary Parameters

Enable Conditions

Ignition switch

ON

Battery voltage

t 6 V

EN-01861

(2)

(3)

(4)

(1)