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.
Output Test Mode
Output test mode allows technician to energize and de-energize most system output actuators on command. After accessing test, outputs and cooling fans can be turned on and off separately.
Ensure engine is warmed to normal operating temperature. Turn ignition off. Ensure test equipment is properly attached. Program NGS tool using the following steps:
- Select VEHICLE & ENGINE SELECTION.
- Select year, engine, model and any additional information requested by tool.
- Select DIAGNOSTIC DATA LINK.
- Select PCM - POWERTRAIN CONTROL MODULE.
- Select DIAGNOSTIC TEST MODE.
- Select ACTIVE COMMAND MODE.
- Select OUTPUT TEST MODE.
- Turn ignition on.
- Press start and trigger.
- Follow operating instructions from tool menu.
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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