🗊 Презентация Agenda. Overview of Diagnosis

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Слайд 1


Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off...
Описание слайда:
Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off Application procedure Actual platform application Peculiarity 8 Cylinder software with multiplexer

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Agenda Vision general of diagnosis Functional diagnosis requirements Diagnosis requirements Overview of detectable errors by diagnosis Solenoid Valve...
Описание слайда:
Agenda Vision general of diagnosis Functional diagnosis requirements Diagnosis requirements Overview of detectable errors by diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off Application procedure Actual platform application Peculiarity 8 Cylinder software with multiplexer

Слайд 3


Functional Diagnosis Requirements The objective of injector diagnosis is the detection and classification of errors which can occur while supplying...
Описание слайда:
Functional Diagnosis Requirements The objective of injector diagnosis is the detection and classification of errors which can occur while supplying current to an injector as well as the introduction of a desired substitute reaction in the error characteristic. Personal protection: Prevention of missed injections or wrong injection quantity which can generate undesired engine torque. Occurrence of such errors must always lead to immediate injection Shut Off. Engine and component protection: Prevention of missed injections or wrong injection quantity, which can damage the engine during combustion. In this case the Common Rail System is significantly more critical than the UI System. This is because in the rail, a sufficiently high diesel pressure is always available for the injectors at any point of time. Availability: Ensuring the maximum possible availability in the case of an error through defined bank Shut Off or cylinder Shut Off. Exhaust gas: Prevention of an uncontrolled increase in the emission of toxic substances. OBD: Supply the ECU-diagnosis management with information about injector diagnosis status to fulfill OBD legislation. Service: Providing error information, as detailed as possible, for service in order to ensure efficient and cost- effective repair.

Слайд 4


Diagnosis Requirements Robust diagnosis – Reaction to every error: Even in the case of an error which occurs but cannot be classified as a known...
Описание слайда:
Diagnosis Requirements Robust diagnosis – Reaction to every error: Even in the case of an error which occurs but cannot be classified as a known error, a detection has to be always carried out and it has to be at least classified as unknown bank/cylinder error. As a result, the applied error reaction is then activated and a dangerous situation can be avoided No detection of inexistence errors Applicable Cylinder Shut Off Applicable Bank Shut Off Applicable Test Injections

Слайд 5


Overview of detectable errors by diagnosis (1)
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Overview of detectable errors by diagnosis (1)

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Overview of detectable errors by diagnosis (2)
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Overview of detectable errors by diagnosis (2)

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Overview of detectable errors by diagnosis (3)
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Overview of detectable errors by diagnosis (3)

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Overview of detectable errors by diagnosis (4)
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Overview of detectable errors by diagnosis (4)

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Overview of detectable errors by diagnosis (5)
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Overview of detectable errors by diagnosis (5)

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Overview of detectable errors by diagnosis (6)
Описание слайда:
Overview of detectable errors by diagnosis (6)

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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Scheduling of the diagnosis Monitoring Overview (InjVlv_Mon) Error...
Описание слайда:
Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Scheduling of the diagnosis Monitoring Overview (InjVlv_Mon) Error messages transferred via SPI Error Pattern Pattern recognition sequence Error Debouncing InjVlv_Mon Labels Peculiarity for CV-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off Application procedure Actual platform application Peculiarity 8 Cylinder software with multiplexer

Слайд 12


Scheduling of the diagnosis
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Scheduling of the diagnosis

Слайд 13


Monitoring Overview (InjVlv_Mon) (1)
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Monitoring Overview (InjVlv_Mon) (1)

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Monitoring Overview (InjVlv_Mon)(2)
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Monitoring Overview (InjVlv_Mon)(2)

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Monitoring Overview (InjVlv_Mon) (3)
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Monitoring Overview (InjVlv_Mon) (3)

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Error messages transferred via SPI (1)
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Error messages transferred via SPI (1)

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Agenda. Overview of Diagnosis, слайд №17
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Agenda. Overview of Diagnosis, слайд №18
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Agenda. Overview of Diagnosis, слайд №19
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Error messages transferred via SPI (5)
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Error messages transferred via SPI (5)

Слайд 21


Error messages transferred via SPI (6)
Описание слайда:
Error messages transferred via SPI (6)

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Error messages transferred via SPI (7)
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Error messages transferred via SPI (7)

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Error messages transferred via SPI(8)
Описание слайда:
Error messages transferred via SPI(8)

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Error messages transferred via SPI (9)
Описание слайда:
Error messages transferred via SPI (9)

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Error messages transferred via SPI (10)
Описание слайда:
Error messages transferred via SPI (10)

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Error messages transferred via SPI (11)
Описание слайда:
Error messages transferred via SPI (11)

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Error messages transferred via SPI (12)
Описание слайда:
Error messages transferred via SPI (12)

Слайд 28


Error messages transferred via SPI (13)
Описание слайда:
Error messages transferred via SPI (13)

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Error messages transferred via SPI (14)
Описание слайда:
Error messages transferred via SPI (14)

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Error messages transferred via SPI (15)
Описание слайда:
Error messages transferred via SPI (15)

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Error messages transferred via SPI (16)
Описание слайда:
Error messages transferred via SPI (16)

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Error messages transferred via SPI (17)
Описание слайда:
Error messages transferred via SPI (17)

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Error messages transferred via SPI (18)
Описание слайда:
Error messages transferred via SPI (18)

Слайд 34


Error pattern (1)
Описание слайда:
Error pattern (1)

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Agenda. Overview of Diagnosis, слайд №35
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Pattern recognition sequence (1)
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Pattern recognition sequence (1)

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Structure of the pattern matrix
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Structure of the pattern matrix

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Structure of the pattern matrix
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Structure of the pattern matrix

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Structure of the select matrix
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Structure of the select matrix

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Structure of the select matrix
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Structure of the select matrix

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Pattern recognition sequence (6)
Описание слайда:
Pattern recognition sequence (6)

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Pattern recognition sequence (7)
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Pattern recognition sequence (7)

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Pattern recognition sequence (8)
Описание слайда:
Pattern recognition sequence (8)

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Example of „Error identified“
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Example of „Error identified“

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Example of „Error not identified“
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Example of „Error not identified“

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Example of unclassifiable error
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Example of unclassifiable error

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Error Debouncing (1)
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Error Debouncing (1)

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Agenda. Overview of Diagnosis, слайд №48
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Agenda. Overview of Diagnosis, слайд №49
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Agenda. Overview of Diagnosis, слайд №50
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Слайд 51


Error Debouncing (5) Permission (Bit 0) is equal to 1 for non-inhibited Fids. If a Fid is inhibited due to an error, the permission becomes 0. Bit 1-...
Описание слайда:
Error Debouncing (5) Permission (Bit 0) is equal to 1 for non-inhibited Fids. If a Fid is inhibited due to an error, the permission becomes 0. Bit 1- 3: Free Bit 4 - 7 indicate the number of defective paths that inhibit the Fid. Limit value for the display is 15. For more information about DSM functions, see:

Слайд 52


InjVlv_Mon Labels (1)
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InjVlv_Mon Labels (1)

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InjVlv_Mon Labels (1)
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InjVlv_Mon Labels (1)

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InjVlv_Mon Labels (2)
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InjVlv_Mon Labels (2)

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Agenda. Overview of Diagnosis, слайд №55
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Agenda. Overview of Diagnosis, слайд №56
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Слайд 57


Particularity for CV-System (3)
Описание слайда:
Particularity for CV-System (3)

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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits No Error Open Circuit Short Circuit...
Описание слайда:
Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits No Error Open Circuit Short Circuit High Side to Battery Short Circuit High Side to Ground Short Circuit Low Side to Battery Short Circuit Low Side to Ground Short Circuit High Side to Low Side Solenoid Valve Monitoring Shut Off Application procedure Actual platform application Peculiarity 8 Cylinder software with multiplexer

Слайд 59


No Error
Описание слайда:
No Error

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Open Circuit (1)
Описание слайда:
Open Circuit (1)

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Open Circuit (2)
Описание слайда:
Open Circuit (2)

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Open Circuit (3)
Описание слайда:
Open Circuit (3)

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Short Circuit High Side to Battery (1)
Описание слайда:
Short Circuit High Side to Battery (1)

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Short Circuit High Side to Battery (2)
Описание слайда:
Short Circuit High Side to Battery (2)

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Short Circuit High Side to Battery (3)
Описание слайда:
Short Circuit High Side to Battery (3)

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Short Circuit High Side to Battery (4)
Описание слайда:
Short Circuit High Side to Battery (4)

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Short Circuit High Side to Battery (5)
Описание слайда:
Short Circuit High Side to Battery (5)

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Short Circuit High Side to Ground (1)
Описание слайда:
Short Circuit High Side to Ground (1)

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Short Circuit High Side to Ground (2)
Описание слайда:
Short Circuit High Side to Ground (2)

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Short Circuit High Side to Ground (3)
Описание слайда:
Short Circuit High Side to Ground (3)

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Short Circuit High Side to Ground (4)
Описание слайда:
Short Circuit High Side to Ground (4)

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Short Circuit Low Side to Battery (1)
Описание слайда:
Short Circuit Low Side to Battery (1)

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Short Circuit Low Side to Battery (2)
Описание слайда:
Short Circuit Low Side to Battery (2)

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Short Circuit Low Side to Battery (3)
Описание слайда:
Short Circuit Low Side to Battery (3)

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Short Circuit Low Side to Battery (4)
Описание слайда:
Short Circuit Low Side to Battery (4)

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Short Circuit Low Side to Battery (5)
Описание слайда:
Short Circuit Low Side to Battery (5)

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Short Circuit Low Side to Battery (6)
Описание слайда:
Short Circuit Low Side to Battery (6)

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Short Circuit Low Side to Ground (1)
Описание слайда:
Short Circuit Low Side to Ground (1)

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Short Circuit Low Side to Ground (2)
Описание слайда:
Short Circuit Low Side to Ground (2)

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Short Circuit Low Side to Ground (3)
Описание слайда:
Short Circuit Low Side to Ground (3)

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Short Circuit Low Side to Ground (4)
Описание слайда:
Short Circuit Low Side to Ground (4)

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Short Circuit Low Side to Ground (5)
Описание слайда:
Short Circuit Low Side to Ground (5)

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Short Circuit High Side to Low Side (1)
Описание слайда:
Short Circuit High Side to Low Side (1)

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Short Circuit High Side to Low Side (2)
Описание слайда:
Short Circuit High Side to Low Side (2)

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Short Circuit High Side to Low Side (3)
Описание слайда:
Short Circuit High Side to Low Side (3)

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Short Circuit High Side to Low Side (4)
Описание слайда:
Short Circuit High Side to Low Side (4)

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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off...
Описание слайда:
Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off Monitoring Shut Off Overview (InjVlv_MonShOff) Scheduling of diagnosis Shut Off State machine of the diagnosis Shut Off Diagnosis Shut Off debouncing Shut Off Application InjVlv_MonShOff Labels Application procedure Actual platform application Peculiarity 8 Cylinder software with multiplexer

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Monitoring-Shut Off Overview (InjVlv_MonShOff) (1)
Описание слайда:
Monitoring-Shut Off Overview (InjVlv_MonShOff) (1)

Слайд 89


Monitoring-Shut Off Overview (InjVlv_MonShOff) (2)
Описание слайда:
Monitoring-Shut Off Overview (InjVlv_MonShOff) (2)

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Scheduling of the diagnosis Shut Off
Описание слайда:
Scheduling of the diagnosis Shut Off

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State machine of the diagnosis Shut Off (1)
Описание слайда:
State machine of the diagnosis Shut Off (1)

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State machine of the diagnosis Shut Off (2)
Описание слайда:
State machine of the diagnosis Shut Off (2)

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State machine of the diagnosis Shut Off (3)
Описание слайда:
State machine of the diagnosis Shut Off (3)

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State machine of the diagnosis Shut Off (4)
Описание слайда:
State machine of the diagnosis Shut Off (4)

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State machine of the diagnosis Shut Off (5)
Описание слайда:
State machine of the diagnosis Shut Off (5)

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State machine of the diagnosis Shut Off (6)
Описание слайда:
State machine of the diagnosis Shut Off (6)

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Agenda. Overview of Diagnosis, слайд №97
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Слайд 98


Shut Off Application
Описание слайда:
Shut Off Application

Слайд 99


InjVlv_MonShOff Labels
Описание слайда:
InjVlv_MonShOff Labels

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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off...
Описание слайда:
Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off Application procedure Application procedure Measure procedure in Truck Breakout Box Application process Actual platform application Peculiarity 8 Cylinder software with multiplexer

Слайд 101


Application procedure Hardware application hints Measure process in Labor: Perform the errors at the injector side Perform the errors at the ECU side...
Описание слайда:
Application procedure Hardware application hints Measure process in Labor: Perform the errors at the injector side Perform the errors at the ECU side Measures on different cylinders and banks under different operating conditions(low idle, high revolution number, error applied before terminal 15 is activated, short circuit with high and low ohm resistance, different battery voltages) Measure process in Truck: Perform the errors at the injector side Measures on different cylinders and banks under different operating conditions (low idle, high revolution number, error applied before terminal 15 is activated, short circuit with high and low ohm resistance) Measure analysis and compare with labor measurements and simulation Calculate the Pattern and Select Matrix Validation of the application

Слайд 102


Measure procedure in Truck Ensure before the beginning of the measurements, that your vehicle has a series wiring harness and all powerstage SSDs are...
Описание слайда:
Measure procedure in Truck Ensure before the beginning of the measurements, that your vehicle has a series wiring harness and all powerstage SSDs are project-specific correctly calibrated. This covers e.g. the current profile, booster voltage, etc. The measurements are worthless without pre-series-production hardware or with defective calibration of the SSDs, because the CY33x error registers are dependent on it. Carry out the vehicle measurements with a breakout box. Do not use any wiring harness adapter! With help of the breakout box, the following errors have to be generated on each cylinder: No Load (NL) Short circuit High-Side to Ground (SCHSGN) Short circuit High-Side to Battery (SCHSBA) Short circuit Low-Side to Ground (SCLSGN) Short circuit Low-Side to Battery (SCLSBA) Short circuit High-Side to Low-Side (SCHSLS) The measurements should be repeated more than once (for e.g. three times) under different operating conditions (Low idle, Low-idle with increased rotational speed, Start of engine with the error).

Слайд 103


Breakout Box
Описание слайда:
Breakout Box

Слайд 104


Breakout Box – Open Circuit
Описание слайда:
Breakout Box – Open Circuit

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Breakout Box – Short Circuit to Battery/Ground
Описание слайда:
Breakout Box – Short Circuit to Battery/Ground

Слайд 106


Breakout Box – Short Circuit High Side - Low Side
Описание слайда:
Breakout Box – Short Circuit High Side - Low Side

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Application process
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Application process

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Application process
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Application process

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Application process
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Application process

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Application process
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Application process

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Application process

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Application process

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Application process

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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off...
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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off Application procedure Actual platform application Dependece Classifiable-Unclassifiable Errors Application in Detail Overview of different diagnosis strategies Peculiarity 8 Cylinder software with multiplexer

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Dependence Classifiable-Unclassifiable Errors (1)
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Dependence Classifiable-Unclassifiable Errors (1)

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Dependence Classifiable-Unclassifiable Errors (2)
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Dependence Classifiable-Unclassifiable Errors (2)

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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off...
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Agenda Vision general of diagnosis Solenoid Valve Monitoring of CR- & U-System Outcomes of the Short Circuits Solenoid Valve Monitoring Shut Off Application procedure Actual platform application Peculiarity 8 Cylinder software with multiplexer 8 Cylinder software with multiplexer 8 Cylinder software with MUX – U System

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8 Cylinder software with multiplexer The 8 cylinders powerstage is realized with one CY332B, which can handle 6 powestages directly. The both...
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8 Cylinder software with multiplexer The 8 cylinders powerstage is realized with one CY332B, which can handle 6 powestages directly. The both additional powerstages are realized through a Multiplexer (MUX) in the gate activation circuit of the LS-FET's of Cyl.12 and Cyl. 22 The MUX is controlled by the TPU. For the diagnosis of powerstages 12 (Bank 1, Cyl 2) and 14 is used only a common error register (the same occurs for powerstages 22 and 24) because there are available only 6 fault memories to register to the cylinder specific diagnosis error information. Therefore two registers are covered twice. The diagnosis information of the first activated MUX-powerstage would become, while activation of the second MUX-powerstage, the diagnosis information of both powerstage by logical OR. Therefore no cylinders specific recognition can be performed.

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8 Cylinder software with multiplexer CR-System: Change in HWE → InjVlv_Mon becomes SPI cylinder specific information for each cylinder U-System: By a...
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8 Cylinder software with multiplexer CR-System: Change in HWE → InjVlv_Mon becomes SPI cylinder specific information for each cylinder U-System: By a cylinder disconnection will be recognizable the error cylinder specific. To execute a cylinder-specific recognition on the MUX powerstages, after cylinder specific error detection in the MUX powerstages, one of them is switched off. If the error disappears, the error was in the switched off cylinder. If the error continues, the error was in the not switched off cylinder. While a "double error" on the MUX powerstages is debounced, one of the MUX powerstages is switched off for some injections. After the disconnection, the debounce-error-counter of the cylinder with the error has a higher value has than the counter of the cylinders without error, and therefore is set this cylinder first in defect status

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8 Cylinder software with MUX – U System
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8 Cylinder software with MUX – U System

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8 Cylinder software with MUX – U System
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8 Cylinder software with MUX – U System

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8 Cylinder software with MUX – U System
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8 Cylinder software with MUX – U System

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Agenda. Overview of Diagnosis, слайд №152
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Error Debouncing
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Error Debouncing

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Error Debouncing
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Error Debouncing

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Structure of the pattern matrix
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Structure of the pattern matrix

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Structure of the Select Matrix
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Structure of the Select Matrix

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Structure of error pattern
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Structure of error pattern

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Pattern recognition sequence
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Pattern recognition sequence

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Cylinder specific error
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Cylinder specific error

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Bank specific error
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Bank specific error

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Shut Off debouncing
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Shut Off debouncing

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Shut Off
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Shut Off

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Open Circuit
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Open Circuit

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Short Circuit High Side to Battery
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Short Circuit High Side to Battery

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Short Circuit High Side to Ground
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Short Circuit High Side to Ground

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Short Circuit Low Side to Battery
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Short Circuit Low Side to Battery

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Short Circuit Low Side to Ground
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Short Circuit Low Side to Ground

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Short Circuit High Side to Low Side
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Short Circuit High Side to Low Side

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Error messages transferred via SPI (16)
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Error messages transferred via SPI (16)

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