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dk23: Check VAF Signal for Short to Ground
Steps _Key OFF, wait 10 seconds
_Processor disconnected
_Harness disconnected from Vane Meter
_DVOM on 200,000 ohm scale
_Measure resistance at the Vane Meter vehicle harness between VAF SIGNAL and SIGNAL RETURN and between VAF SIGNAL and negative battery terminal.
Result Are both resistances greater than 10,000 ohms?
Direction YES

Replace processor. Remove breakout box. Reconnect processor and Vane Meter. Rerun Quick Test

NO

Service circuit shorts. Reconnect vane meter. Rerun Quick Test