DIR_a112 — No Phase Current
Full alert identifier: DIR_a112_noPhaseCurrent
Alert description
The Drive Inverter (DIx) Electronic Control Unit (ECU) detects no phase current.
Potential impact
Without phase current, DIx cannot produce motor torque to rotate the wheels. The vehicle's drive cycle may not function as expected, or at all.
Set condition
The DIx ECU detects no phase current. The phase lugs, stator, rotor, or DIx may have a condition affecting functionality.
Clear condition
The DIx ECU detects an expected quantity of phase current.
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 |
|---|---|
Modulation Index
DIR_
|
— |
| Signal | Unit |
|---|---|
All Off Safe State
DIR_
|
— |
Gdic Reset Line
DIR_
|
— |
Hs 3 Ps Safe State
DIR_
|
— |
Ls 3 Ps Safe State
DIR_
|
— |
Pwm Switching
DIR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a112.