DIR_a024 — Self Test

Full alert identifier: DIR_a024_selfTest

Alert description

The Switch Off Path Test (SOPT) for Drive Unit has failed. The pathway between Drive Inverter (DIx) and Pedal Monitor (PM) torque measurements are different.

Potential impact

PM may not be able to shut down torque produced by Drive Unit.

Set condition

The Switch Off Path Test (SOPT) for Drive Unit has failed. The DIx and PM torque measurements are different. The pathway between DIx and PM may have a condition affecting functionality.

Clear condition

This alert is primarily intended for logging purposes. If this alerts repeatedly asserts, there may a condition affecting the DIx hardware.

Signals to check

These diagnostic fields are associated with DIR_a024. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Ia `DIR_a024_Ia`	A
Ib `DIR_a024_Ib`	A
Fail Reason `DIR_a024_failReason` 0 CACHED 1 POS CURRENT 2 NEG CURRENT 3 DISAGREE 4 TIMEDOUT 5 GATE DRIVE ERROR 6 FAULT PRESENT 7 ASC TEST	—
Max Curr Mag Sqrd `DIR_a024_maxCurrMagSqrd`	A2
Rotor Angle `DIR_a024_rotorAngle`	degrees
State `DIR_a024_state`	—
V Bat `DIR_a024_vBat`	V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a024.