Pinpoint Tests - OSC Equipped Vehicle

Pinpoint Tests - OSC Equipped Vehicle





Any time an electrical connector or solenoid body is disconnected, inspect the connector for pin condition, corrosion and contamination. Also inspect the connector seal for damage. Clean, repair or install a new connector or component as required.

Shift Solenoids Pre-Diagnosis
Use the shift solenoid operation information when carrying out Pinpoint Test A. Test A: Shift and Torque Converter Clutch Solenoids

Solenoid Operation Chart:

Shift Solenoid Failure Mode Chart "Always Off"
Failed off due to PCM and or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck off.











Shift Solenoid Failure Mode Chart "Always On"
Failed on due to powertrain control module and or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck on.








Pinpoint Tests
Refer to Vehicle/Diagrams for schematic and connector information.