Subaru Legacy IV (2008 year). Service manual — part 633
GD(H6DO)-152
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CW:DTC P0600 SERIAL COMMUNICATION LINK
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
When CAN communications is not possible, and CAN communications with TCM is not possible, judge as
NG if data from the TCM is not normal.
2. COMPONENT DESCRIPTION
ECM and TCM are connected by high speed CAN.
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
(High speed CAN)
Conforms to ISO11898
Communication Speed: 500 kbps
3. ENABLE CONDITION
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
• Abnormality Judgement
Judge as NG when the following conditions are established.
Time Needed for Diagnosis: Less than 1 second
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Secondary Parameters
Enable Conditions
None
Judgement Value
Malfunction Criteria
Threshold Value
Battery voltage
> 10.9 V
Starter switch
OFF
Engine
run
bus off flag or error warning flag
set (error)
or
ID received from control module con-
nected to driving system CAN
None during 500 milli-
seconds
or
Data updated from control module con-
nected to driving system CAN
None during 500 milli-
seconds
GD(H6DO)-153
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
• 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: 1000 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Judgement Value
Malfunction Criteria
Threshold Value
Battery voltage
> 10.9 V
Starter switch
OFF
Engine
run
bus off flag or error warning flag
clear (No error)
ID received from control module con-
nected to driving system CAN
Yes
Data updated from control module con-
nected to driving system CAN
Yes
GD(H6DO)-154
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CX:DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY
(RAM) ERROR
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of microcomputer (RAM).
When there is a problem in the main CPU normal RAM, or the sub CPU normal RAM, judge as NG. Judge
as OK when both are operating properly.
If it is possible to write data to the whole area of RAM in the initial routine, and is possible to read the same
data, it is judged as OK, and if not, NG.
2. ENABLE CONDITION
Diagnosis with the initial routine.
3. GENERAL DRIVING CYCLE
Perform the diagnosis as soon as the ignition switch is turned to ON.
4. DIAGNOSTIC METHOD
• Abnormality Judgement
Judge as NG when the following conditions are established.
Time Needed for Diagnosis: Less than 1 second
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgement
Judge as OK and clear the NG if the following conditions are established.
Time Needed for Diagnosis: Less than 1 second
Secondary Parameters
Enable Conditions
None
Judgement Value
Malfunction criteria
Threshold value
Write the specified value to RAM and
then read.
The written value can-
not be read.
Judgement Value
Malfunction criteria
Threshold value
Write the specified value to RAM and
then read.
The written value can
be read.
GD(H6DO)-155
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CY:DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM)
ERROR
1. OUTLINE OF DIAGNOSIS
Judge as NG when SUM value of ROM is outside the standard value.
2. ENABLE CONDITION
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
• Abnormality Judgement
Judge as NG when the following conditions are established.
Time Needed for Diagnosis:
• Main CPU: 16 milliseconds × 32 time(s)
• Sub CPU: 16 milliseconds × 2 time(s)
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgement
Judge as OK and clear the NG if the following conditions are established.
Time Needed for Diagnosis:
• Main CPU: 16 milliseconds × 125 time(s)
• Sub CPU: 16 milliseconds × 2 time(s)
Secondary Parameters
Enable Conditions
Ignition switch
ON
Judgement Value
Malfunction criteria
Threshold value
SUM value of ROM
Standard
Judgement Value
Malfunction criteria
Threshold value
SUM value of ROM
Standard
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст