Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 386
GD(H4DOTC)-296
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
• Abnormality Judgment
Judge as NG when the following conditions are established.
Time Needed for Diagnosis: Approx. 5 — 9.5 hours
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
• Normality Judgment
Judge as OK and clear the NG if the following conditions are established.
Time Needed for Diagnosis: Approx. 5 — 9.5 hours
Judgment Value
Malfunction Criteria
Threshold Value
Ignition switch
ON
Driving cycle
Completed
When any one of the followings is estab-
lished.
• Timer diagnosis
NG
• Full count diagnosis
NG
• Soaking timer IC setting diagnosis
NG
• Timer diagnosis (during soaking)
NG
• Wake-up diagnosis
NG
Judgment Value
Malfunction Criteria
Threshold Value
Ignition switch
ON
Driving cycle
Completed
All of the following conditions are estab-
lished.
• Timer diagnosis
OK
• Full count diagnosis
OK
• Soaking timer IC setting diagnosis
OK
• Timer diagnosis (during soaking)
OK
• Wake-up diagnosis
OK
GD(H4DOTC)-297
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
FY:DTC U0073 CAN FAILURE, BUS ‘OFF’ DETECTION
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
Judge as NG when CAN communication failure has occurred.
2. COMPONENT DESCRIPTION
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
Conforms to ISO11898
Communication Speed: 500 kbps
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
• Abnormality Judgment
Judge as NG when the following conditions are established.
Time Needed for Diagnosis: 436 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: 1000 ms
Secondary Parameters
Enable Conditions
None
Judgment Value
Malfunction Criteria
Threshold Value
Battery voltage
> 10.9 V
Starter switch
OFF
Engine
run
bus off flag or error warning flag
set (error)
Judgment Value
Malfunction Criteria
Threshold Value
Engine
run
bus off flag or error warning flag
clear (No error)
GD(H4DOTC)-298
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
FZ:DTC U0122 CAN (VDC) DATA NOT LOADED
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
Judge as NG when CAN communication failure has occurred between VDC CM and body integrated unit.
2. COMPONENT DESCRIPTION
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
Conforms to ISO11898
Communication Speed: 500 kbps
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
• Abnormality Judgment
Judge as NG when the following conditions are established.
Time Needed for Diagnosis: 500 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: 1000 ms
GA:DTC U0140 CAN (BCU) DATA NOT LOADED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC U0122. <Ref. to GD(H4DOTC)-298, DTC U0122 CAN (VDC) DATA
NOT LOADED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
Secondary Parameters
Enable Conditions
None
Judgment Value
Malfunction Criteria
Threshold Value
Battery voltage
> 10.9 V
Starter switch
OFF
Engine
run
ID received from control module con-
nected to CAN
None during 500 milli-
seconds
Judgment Value
Malfunction Criteria
Threshold Value
Engine
run
ID received from control module con-
nected to CAN
Yes
GD(H4DOTC)-299
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
GB:DTC U0416 CAN (VDC) DATA ABNORMAL
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
Judge as NG when data received from VDC CM and body integrated unit is not normal.
2. COMPONENT DESCRIPTION
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
Conforms to ISO11898
Communication Speed: 500 kbps
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
• Abnormality Judgment
Judge as NG when the following conditions are established.
Time Needed for Diagnosis: 2 seconds
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: 1000 ms
GC:DTC U0422 CAN (BCU) DATA ABNORMAL
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC U0416. <Ref. to GD(H4DOTC)-299, DTC U0416 CAN (VDC) DATA
ABNORMAL, Diagnostic Trouble Code (DTC) Detecting Criteria.>
Secondary Parameters
Enable Conditions
None
Judgment Value
Malfunction Criteria
Threshold Value
Battery voltage
> 10.9 V
Starter switch
OFF
Engine
run
Data updated from control module connected to CAN
None during 2000 milliseconds
Judgment Value
Malfunction Criteria
Threshold Value
Engine
run
Data updated from control module connected to CAN
Yes
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст