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Home >> Lincoln >> 2004 >> Aviator AWD >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System >> Diagnosis And Testing >> Steering System >> Pinpoint Test D: DTC C1897 - Steering VAPS Circuit Loop Failure >> Normal Operation

Normal Operation

The variable assist power steering (VAPS) module sends the VAPS solenoid a 12 volt reference voltage through circuit 412 (OG/LB). The VAPS solenoid sends a feedback voltage to the VAPS module, (depending on power steering assist demand), through circuit 413 (LG).