DIF_a154 — Resolver
Full alert identifier: DIF_a154_resolver
Alert description
The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.
Potential impact
The resolver is not operating as expected. The DIx invertor control board may be unable to correctly detect the angle and speed of the rotor.
Set condition
The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.
Clear condition
The resolver begins functioning as expected. Review the logs to crack alert.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Common Gain
DIF_
|
1 |
Motor RPM
DIF_
|
RPM |
Phase Error
DIF_
|
1 |
| Signal | Unit |
|---|---|
Carrier Offset
DIF_
|
— |
Cla MIA
DIF_
|
— |
Error Table Invalid
DIF_
|
— |
No Calibration
DIF_
|
— |
No Carrier
DIF_
|
— |
No Phase Lock
DIF_
|
— |
Not Ready
DIF_
|
— |
Tracker Irrational
DIF_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a154.