REVERSE ARMATURE POLARITY

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The polarity of the Armature Voltage Feedback wires is reversed or the wires are missing. This fault shows up during the F998 PCU Diagnostics Test and can cause F909 faults or very poor drive/ride performance if not corrected. This fault requires a DSD power down.

• Reversed or missing Armature Voltage Feedback wires.

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1. 1

   Check connections on A1TB5-1 and A1TB5-2 of the Armature Interface PCB, A2, for correct polarity and presence.

2. 2

   Perform the F998 PCU Diagnostics Test to verify the correction.