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.
^ Check the transmission fluid level and transmission fluid condition.
^ Verify the concern by operating the vehicle.
^ Check for non-factory-installed items and verify correct installation.
^ Check the selector lever linkage adjustments.
^ Check TSBs for vehicle concerns.
^ Carry out quick test both key ON engine running (KOER) and key ON engine OFF (KOEO).
^ Record all codes.
^ Verify that the transmission control module (TCM) is at the latest calibration release level.
