Shift Solenoid Pre-Diagnosis

Shift Solenoid Pre-Diagnosis
Use the following shift solenoid operation information while carrying out Pinpoint Test A.





Solenoid Operation Chart
1 PCM Controlled
2 On time calibration dependent














Shift Solenoid Failure Mode Chart "Always On"
Failed OFF due to Powertrain Control Module (PCM) and for vehicle wiring concerns, solenoid electrically, mechanically or hydraulically stuck ON.














Shift Solenoid Failure Mode Chart "Always Off"

Failed ON due to Powertrain Control Module (PCM) and/or vehicle wiring concerns, solenoid electrically, mechanically or hydraulically stuck OFF.
a During Downshift Only b During Upshift Only