Initial Inspection and Diagnostic Overview

Before you start testing, perform the following preliminary checks. Be sure to write down your findings, especially any DTCs, for future reference.
- Know and understand the customer's concern.
- Verify that TR sensor is properly adjusted in NEUTRAL.
- Verify customer concern (e.g. when does concern occur?):
- upshift
- downshift
- coasting
- engagement
- If concern involves noise or vibration, does it relate to any of the following:
- rpm
- vehicle speed
- shift
- gear
- range
- temperature
- Vehicle must be at normal operating temperature.
- Check transmission fluid level and condition.
- Check for the following items:
- vehicle modifications
- electronic add-on items
- leaks
- proper linkage adjustments
- Check TSBs for related information.
- Perform complete on-board diagnostics (OBD) for both KOEO and KOER.
- Record all DTCs.
- Repair all non-transaxle DTCs.