144 | © Danfoss | August 2018
AQ00000211
ENGINEERING TOMORROW
Category
SPN
Signal Name
Failure mode
FMI
Severity
Possible root cause(s)
CAN messages
520228
WAS CAN sensor
never received (boot-up
timeout)
22 - Message missing
Severe
1.
WAS Not powered
2.
WAS CAN Bus not connected
3.
Incorrect parameter setting of WAS source address or PGN
message lost (timeout)
9 - Abnormal update rate
Severe
1.
WAS lost CAN bus or power connection
2.
Wrong message timing
invalid CRC or message
sequence
19 - Received network data in
error
Severe
1.
CAN bus disturbance
2.
Incorrect WAS message implementation
invalid position value
2 - Data erratic, intermittent or
incorrect
Severe
1.
WAS data out of range
Signal exceeded calibration
limit
13 - Out of calibration
Severe
1.
Wheel angle sensors are not calibrated properly.
2.
Vehicle geometry has changed and it is now possible to steer the wheels
further than the calibrated max points.
3.
Mechanical link integrity lost
Safety
Functions
520203
Vehicle speed triggered EH-
steering shut-off (Safety
function 3)
Vehicle speed too high
31 - Condition exists
Severe
1.
Vehicle speed is higher than the specified threshold specified by P3253
Safety
Functions
520204
EH-main spool monitoring
EH spool position greater
than set-point
7 - Mechanical system not
responding or out of adjustment
Severe
1.
EH-Spool out of control
EH spool moved without
steering input
23 - Unintended Steering
Severe
1.
SASA disconnected from OSPCX in EHPS system
Not in neutral at startup
28 - Not in neutral at Power-up
Severe
1.
EH-Spool not in neutral at startup
Safety
Functions
520205
Fault Detection Algorithm
Monitoring
Unintended steering
23 - Unintended Steering
Severe
1.
Improper sensor parameter setup
2.
Chock valves have been open
3.
Wheel angle sensor detached
4.
SASAIID sensor detached from steering column
5.
Improper calibration of wheel angles
6.
Change in spool calibration values
Safety
Functions
520206
Safe ON-Road Monitoring
Switch stuck closed
30 - Stuck Closed
Severe
1.
Road switch relay failure (relay is not able to disconnect load)
Switch state undefined
2 - Data erratic, intermittent or
incorrect
Severe
1.
AD3 Road switch signal in undefined range
Switch state missing
22 - Message missing
Severe
1.
AD3 Road switch signal not able to stabilize within valid range during
initialization
Switch state crosscheck
failed
25 - Signal crosscheck failed
Severe
If P3072 = 255:
1.
Internal failure
If P3072 = 0 & P3242 = 255:
1.
Mismatch in Road switch states between DOUT resistance and AD3
voltage signal
Safety
Functions
520207
Road switch resistance
monitoring
Switch state undefined
2 - Data erratic, intermittent or
incorrect
Severe
1.
DOUT Resistance in invalid range
Switch state missing
22 - Message missing
Severe
1.
DOUT Resistance not able to stabilize within valid range during
initialization
Switch state crosscheck
failed
25 - Signal crosscheck failed
Severe
1.
Mismatch in Road switch states between DOUT resistance and AD3
voltage signal
Safety
Functions
520208
Demanded safe state
externally triggered safe state
31 - Condition exists
Severe
1.
Controller forced to safe state by peer controller via SPI. This happens for
example when one of the controllers detects a failure, which the other
controller is not capable of detecting
Diagnostic
functions
520210
Cut-off solenoid
unable to supply pilot flow to
PVED
30 - Stuck Closed
Severe
1.
No/insufficient Pump pressure
unable to cut pilot flow to
PVED
29 - Stuck Open
Severe
1.
Internal hydraulic failure in OSPE/EHi
Synchronization failed
19 - Received network data in
error
Severe
Internal failure
Diagnostic
functions
299023
Coils Supply Switch
Self-test failed
12 - Bad intelligent device or
component
Severe
Internal failure
Safety switch state not in
sync with operation
2 - Data erratic, intermittent or
incorrect
Severe
Internal failure
Synchronization failed
19 - Received network data in
error
Severe
Internal failure
Diagnostic
functions
520211
Overvoltage supervisor
Self-test failed
12 - Bad intelligent device or
component
Severe
Internal failure
Synchronization failed
19 - Received network data in
error
Severe
Internal failure
Internal
Hardware
520582
+5V
+5V signal out of range
2 - Data erratic, intermittent or
incorrect
Severe
Internal failure
Internal
Hardware
298967
CAN bus
CAN bus off and recovered
19 - Received network data in
error
Severe
1.
CAN bus disturbance
2.
No/insufficient termination on the CAN bus network
3.
Shortcut or wire breakage on CAN bus wire
Address arbitration lost
11 - Unknown root-cause
Severe
1.
Address conflict on the CAN bus
Internal CAN Rx buffer
overflow
12 - Bad intelligent device or
component
Severe
2.
Excessive number of messages intended for PVED CLS
Internal CAN Tx buffer
overflow for CAN priority 3
(safety related messages)
0 - Data valid, but above normal
operational range - Most severe
level
Severe
3.
Excessive number of Priority 3 messages
Internal CAN Tx buffer
overflow for CAN priority 6
(status messages)
15 - Data valid, but above normal
operating range - Least severe
level
INFO
4.
Excessive number of Priority 6 messages
Internal
Hardware
299029
EEPROM
Verified write fails on
EEPROM cell
12 - Bad intelligent device or
component
Severe
Internal failure
Internal
Hardware
520212
LVDT sinus signal
LVDT sinus frequency out of
range
8 - Abnormal frequency or pulse
width or period
Severe
Internal failure
Internal
Hardware
520585
Vref generation
Vref signal out of range
2 - Data erratic, intermittent or
incorrect
Severe
Internal failure
Internal
Hardware
520586
GND level
GND level above upper limit
3 - Voltage above normal or short-
circuit to high source
Severe
Internal failure
Internal
Hardware
520588
LVDT demod A
LVDT demo A signal out of
range
2 - Data erratic, intermittent or
incorrect
Severe
Internal failure
Internal
Hardware
520589
LVDT demod B
LVDT demo B signal out of
range
2 - Data erratic, intermittent or
incorrect
Severe
Internal failure
Содержание PVED-CLS
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