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.
Continuous Monitor Self-Test (Wiggle Test): Notes
The CONTINUOUS MONITOR SELF-TEST allows a technician to attempt to recreate an intermittent fault while monitoring the system. The CONTINUOUS MONITOR SELF-TEST may be used in both KOEO and KOER modes.
The test is divided into 4 areas: Establishing Continuous Memory Codes, Clearing Continuous Memory Codes, Continuous Memory Codes To Be Tested, and Continuous Monitor (Wiggle) Test. Perform steps in sequence.
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.
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