Diagnostic Flow Chart

Diagnostic Flow Chart





Prior to carrying out the diagnostic flow chart test, the following items should be checked:

- Know and understand the customer's 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 DTCs.

Diagnostic Flow Chart