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 MANUALSMERCURY1996TRACER L4-116 1.9L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESOUTPUT TEST MODEDESCRIPTION AND PROCEDURE
1996 Mercury Tracer L4-116 1.9L SOHC
Description and Procedure
1996 Mercury Tracer L4-116 1.9L SOHCSECTION Description and Procedure
DESCRIPTION
The Output Test Mode (OTM) aids in servicing actuators associated with the Powertrain Control Module (PCM). It 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 controlling the cooling fans. The low and high speed cooling fans may be turned on separately without energizing the other outputs.
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 ignition switch off then on.
CAUTION
Safety must be observed when using Output Test Mode:
- When all outputs are on, the electric fuel pump is energized, make sure fuel system in intact and is not being serviced at this time.
- When low speed or high speed cooling tans are turned on, make sure fan blades are clear of any obstruction.
PROCEDURE
Enter OTM with the ignition key ON and the engine OFF.
- Perform the necessary vehicle preparation and visual inspection.
- Connect scan tool to Data Link Connector (DLC).
- Select VEHICLE & ENGINE SELECTION menu.
- Select NEW VEHICLE YEAR & MODEL.
- Enter year, engine, model with the appropriate qualifier, if needed (i.e., transmission, 49 State or California).
- Select DIAGNOSTIC DATA LINK.
- Select PCM-POWERTRAIN CONTROL MODULE.
- Select ACTIVE COMMAND MODES.
- Select OUTPUT TEST MODE.
- Turn key ON.
- Follow operating instructions from the menu.
- Select the mode (i.e., ALL ON, ALL OFF, HIGH SPEED FAN or LOW SPEED FAN).
- Select START to turn outputs ON (may link up to PIDs).
- Select STOP to turn outputs OFF.
The Output Test Mode (OTM) aids in servicing actuators associated with the Powertrain Control Module (PCM). It 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 controlling the cooling fans. The low and high speed cooling fans may be turned on separately without energizing the other outputs.
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 ignition switch off then on.
CAUTION
Safety must be observed when using Output Test Mode:
- When all outputs are on, the electric fuel pump is energized, make sure fuel system in intact and is not being serviced at this time.
- When low speed or high speed cooling tans are turned on, make sure fan blades are clear of any obstruction.
PROCEDURE
Enter OTM with the ignition key ON and the engine OFF.
- Perform the necessary vehicle preparation and visual inspection.
- Connect scan tool to Data Link Connector (DLC).
- Select VEHICLE & ENGINE SELECTION menu.
- Select NEW VEHICLE YEAR & MODEL.
- Enter year, engine, model with the appropriate qualifier, if needed (i.e., transmission, 49 State or California).
- Select DIAGNOSTIC DATA LINK.
- Select PCM-POWERTRAIN CONTROL MODULE.
- Select ACTIVE COMMAND MODES.
- Select OUTPUT TEST MODE.
- Turn key ON.
- Follow operating instructions from the menu.
- Select the mode (i.e., ALL ON, ALL OFF, HIGH SPEED FAN or LOW SPEED FAN).
- Select START to turn outputs ON (may link up to PIDs).
- Select STOP to turn outputs OFF.
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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.