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.
Testing Condition
Steps 3 and 4 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.
With CONSULT-IIΒ
- Start engine (VDC switch OFF).
- Select DATA MONITOR mode with CONSULT-II.
- Drive the vehicle for at least 5 consecutive seconds at a speed in excess of 19 MPH.
If DTC is detected, go to DIAGNOSTIC PROCEDUREΒ .
If DTC is not detected, go to the following step.
- Drive the vehicle for at least 5 consecutive seconds under the following conditions.
- If DTC is detected, go to DIAGNOSTIC PROCEDUREΒ .
With GSTΒ
Follow the procedure With CONSULT-II above.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
