Test A: Shift and Torque Converter Clutch Solenoids
Pinpoint Tests - OSC Equipped VehicleSpecial Tool(s):
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 component as required.
Shift Solenoids Pre-Diagnosis
Use this shift solenoid operation information when carrying out pinpoint Test A.
Solenoid Operation Chart:
Shift Solenoid Failure Mode Chart "Always Off"
Failed off due to powertrain control module 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 TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS