Diagnostic Flow Chart

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 adjustments.
- Check TSB messages for vehicle concerns.
- Carry out both Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test.
- Record all codes.

Diagnostic Flow Chart