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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 900 (AUTOMATIC TRANSMISSION - CD4E)DIAGNOSTIC TESTSOUTPUT STATE CONTROL (OSC) MODESSA/SS1, SSB/SS2, SSC/SS3 AND TCC IN BENCH MODE
2010 Mercury Mariner Hybrid, AWD

SSA/SS1, SSB/SS2, SSC/SS3 and TCC in Bench Mode

2010 Mercury Mariner Hybrid, AWDSECTION SSA/SS1, SSB/SS2, SSC/SS3 and TCC in Bench Mode
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

These OSC functions are used to command SSA/SS1, SSB/SS2, SSC/SS3 and TCC solenoids OFF and ON when carrying out an electrical circuit check.

The OSC functions for parameters SSA/SS1, SSB/SS2 and SSC/SS3 allows the technician to choose the following options:

  • OFF - Directs PCM to command the solenoid OFF.
  • ON - Directs PCM to command the solenoid ON.

The OSC options to control TCC for the torque converter clutch solenoid in Bench Mode are as follows:

  • 0% - Commands PCM to control duty cycle to 0%.
  • 100% - Commands PCM to control duty cycle to 100%.

Controlling the solenoids allows the technician to measure the circuit current using an inductive pickup or to measure the circuit voltage when carrying out electrical tests.

The vehicle requirements for SENDING an OSC value for SSA/SS1, SSB/SS2, SSC/SS3 and TCC are as follows:

  • Key on/engine off or key on/engine running at idle.
  • Gear selector in PARK or NEUTRAL.

The vehicle requirements must be met when sending the OSC value for SSA/SS1, SSB/SS2, SSC/SS3 and TCC commands. If the vehicle requirements are not met when sending the OSC value, the command is canceled. After sending the OSC value, if the vehicle requirements are no longer met, the OSC value will be canceled by the PCM (monitoring corresponding PID).

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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.