GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2005 🢒 ION 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T40-E/4T45-E 🢒 Transmission Fluid Pressure Manual Valve Position Switch Logic

Range Signal

B

C

Park/Neutral

HI

HI

Reverse

HI

LOW

Drive

LOW

HI

Invalid

LOW

LOW

LOW = 0 volts

HI = Ignition voltage