GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Optra
🢒
Transmission/Transaxle
🢒
Automatic Transmission - Aisin (81-40LE)
🢒 Park/Neutral Position Switch Inspection
Disconnect the park/neutral position (PNP) switch.
Test the continuity of each range according to the polarity and indicator circuit table.
If an incorrect range is displayed during testing, replace the PNP switch.