Diagnostic Flow Charts
Diagnostic Flow Chart
Prior to carrying out the flow test, the following items should be checked:
- Know and understand the customer concerns
- Verify the concern by operating the vehicle
- Check the transmission fluid level and condition
- Check for non-factory-installed items and verify correct installation
- Check the selector lever linkage for correct adjustment
- Check TSBs regarding the concern
- Carry out Self Tests, both Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER)
- Record all DTCs
