OSC Preliminary Procedures
Perform the following procedures in order before entering into OSC modes:
- Select Vehicle and Engine Selection.
- Select Diagnostic Data Link.
- Select PCM.
- Select Output Test Mode.
- Select KOEO On-Demand Self Test and KOER On-Demand Self Tests.
- Perform tests and record DTCs.
- Repair all non-transmission-related DTCs.
- Repair all VSS and TR sensor DTCs.
- Ensure VSS and TR sensors are functional.
- Select Active Command Modes.
- Select Trans-Bench Mode or Trans-Drive Mode.