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.
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HOMESERVICE MANUALSFORD1999TAURUS V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESOUTPUT TEST MODE
1999 Ford Taurus V6-3.0L DOHC VIN S
Output Test Mode
1999 Ford Taurus V6-3.0L DOHC VIN SSECTION Output Test Mode
The Output Test Mode (OTM) aids in servicing output actuators associated with the PCM. This mode allows the technician to energize and de-energize most of the system output actuators on command. When entering OTM, the outputs can be turned OFF and on without activating the fan control. The low and high speed fan control(s) may be turned ON separately without energizing the other outputs. This function is supported by the New Generation Star (NGS) scan tool and may not be available on all generic scan tools.
As a safety precaution, Output Test Mode will default to its normal state after 10 minutes, after the vehicle is started, or after cycling the key OFF then ON.
WARNING:
SAFETY MUST BE OBSERVED WHEN USING OUTPUT TEST MODE:
- WHEN ALL OUTPUTS ARE ON, THE ELECTRIC FUEL PUMP IS BRIEFLY ENERGIZED, SO MAKE SURE FUEL SYSTEM IS INTACT AND IS NOT BEING SERVICED AT THIS TIME.
- WHEN LOW SPEED OR HIGH SPEED FAN CONTROL(S) ARE TURNED ON, MAKE SURE FAN BLADES ARE CLEAR OF ANY OBSTRUCTION.
As a safety precaution, Output Test Mode will default to its normal state after 10 minutes, after the vehicle is started, or after cycling the key OFF then ON.
WARNING:
SAFETY MUST BE OBSERVED WHEN USING OUTPUT TEST MODE:
- WHEN ALL OUTPUTS ARE ON, THE ELECTRIC FUEL PUMP IS BRIEFLY ENERGIZED, SO MAKE SURE FUEL SYSTEM IS INTACT AND IS NOT BEING SERVICED AT THIS TIME.
- WHEN LOW SPEED OR HIGH SPEED FAN CONTROL(S) ARE TURNED ON, MAKE SURE FAN BLADES ARE CLEAR OF ANY OBSTRUCTION.
RENDER: 1.0x
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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.