Road Test: Notes
WARNING: This page is about a different variant/trim than selected.
NOTE:
The Road Test procedure should be performed only as part of the Symptom Diagnosis. Refer to Symptoms - Automatic Transmission .
The following test provides a method of evaluating the condition of the automatic transmission. The test is structured so that most driving conditions would be achieved. The test is divided into the following parts:
- Visual inspection of transmission fluid leaks
- Electrical function check
- Adaptive learning
- Confirm customer complaint by driving
- Check oil level and oil quality
NOTE:
Complete the test in the sequence given. Incomplete testing cannot guarantee an accurate evaluation.
Before the road test, ensure the following:
- The engine is performing properly
- Tire pressure is correct
- Vent hose is correctly mounted.
During the road test:
- Perform the test only when traffic conditions permit
- Operate the vehicle in a controlled, safe manner
- Observe all traffic regulations.
- View the scan tool data while conducting this test.NOTE: Take along qualified help in order to operate the vehicle safely.
- Observe any unusual sounds or smells.
After the road test, check the following:
- Inspect for proper transmission fluid level and check oil quality. Refer to Transmission Fluid Drain and Fill .
- Inspect for any diagnostic trouble codes (DTCs) that may have set during the testing. Refer to the applicable DTC.
- Monitor the scan tool data for any abnormal readings or data.
- Inspect for fluid leaks. Refer to Fluid Leak Diagnosis .