WABCO SMARTTRAC MM1543, Руководство по обслуживанию

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Appendix I
6 Appendix I
6.1 SPN/FMI Codes
Refer to the following SPN and FMI codes to diagnose SmartTrac™ hydraulic ABS-related issues.
You must contact the WABCO Customer Care Center at 855-228-3203 for all faults and
approved repair instructions.
SPN Component FMI Fault Description Repair
627
ECU power
supply –
Battery
3
Supply voltage to
ECU too high
• Measure battery voltage under load. Check the vehicle
battery and associated components (alternator).
• Check the battery and ensure it is correct for the ECU, i.e.
ensure 12V battery is used with 12V ABS ECU.
• Check for corroded or damaged wiring between the ECU
and voltage supply as well as ground path.
4
Supply voltage to
ECU too low
628
ECU
Program
memory
12
Incorrect ABS
system configuration
or parameter
• Reset the ECU by cycling the ignition or by using the reset
option in the TOOLBOX™ Software.
• Retry the programming that was being attempted/reload
parameters. 13
Incorrect parameter
or checksum failure
629
ECU/System
component
2
ECU internal failure
• Reset the ECU by cycling the ignition or by using the reset
option in the TOOLBOX™ Software.
• If the fault persists, check the ABS ECU powers and
grounds.
• After checking powers and grounds, if the fault still persists,
it may indicate the ECU has failed.
8
9
10
11
12
14
630
Calibration
data memory
2
Incorrect ABS
system configuration
or parameter
• Reset the ECU by cycling the ignition or by using the reset
option in the TOOLBOX™ Software.
• Retry the programming that was being attempted/reload
parameters.
12
Incorrect parameter
or checksum failure
802
ECU power
supply –
Ignition
3
Supply voltage to
ECU is too high, too
low, or disturbed/
erratic
• Measure the ignition voltage under load to ensure that it
meets OEM specifications.
• Check the battery and ensure it is correct for the ECU, i.e.
ensure 12V battery is used with 12V ABS ECU.
• Check for corroded or damaged wiring between the ECU
and voltage supply as well as ground path.
4
5
6
11
12
13
14