Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
EPS Verification Test
EPS VERIFICATION TEST
- Turn the ignition off.
- Remove all test equipment.NOTE:
Make sure the Torque Sensor (Grey) harness connector is connected properly.
- Connect all previously disconnected components and connectors.
- Verify all accessories are turned off, the battery is fully charged and the charging system has a status of "charged".
- Verify that the ignition is on. With the scan tool, record and erase all Diagnostic Trouble Codes (DTCs) from all modules. Start the engine and allow it to run for two minutes and fully operate the system that was indicating the failure.NOTE:
Turn the steering wheel from stop to stop, holding at each stop position for One second.
- Turn the ignition off and wait five minutes. Turn the ignition on and using the scan tool, read DTCs from all modules.
- If there are no DTCs present after turning ignition on, road test the vehicle while turning the steering wheel from stop to stop for at least five minutes.
- Again, with the scan tool read DTCs. If any DTCs are present, refer to DTC INDEX for the Diagnostic procedure and troubleshoot the new or recurring symptom.
- If there are no DTCs present and the customer's concern can no longer be duplicated, the repair is complete.
Are any DTCs present or is the original concern still present?
Yes
- Perform the appropriate diagnostic procedure. Refer to DIAGNOSTIC CODE INDEX .
No
- Repair is complete.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.