SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - PINPOINT TESTS - (HYBRID)PINPOINT TEST DP: POWERTRAIN CONTROL MODULE (PCM) VEHICLE SPEEDTEST PROCEDURE
2010 Mercury Mariner Hybrid, AWD

Test Procedure

2010 Mercury Mariner Hybrid, AWDSECTION Test Procedure
  1. DP1 CHECK FOR TCM AND PCM DTCS 
    • Carry out the TCM self-test.
    • Carry out the PCM self-test.

    Are any TCM or PCM DTCs present? 

    Yes No
    For DTCs P0C2F or P061A, GO to  DP2.
    For all others, DISREGARD the current diagnostic trouble code (DTC) at this time. DIAGNOSE the next DTC. GO to DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS .    		 GO to  DP2.
  2. DP2 CHECK FOR CORRECT TIRE SIZE AND INFLATION 
    • Verify the correct tire size and inflation.

    Are the tire size and inflation OK? 

    Yes No
    GO to  DP3. REPAIR as necessary.
    Clear the DTCs.
    Road test the vehicle.
    REPEAT the self-test.
  3. DP3 CHECK FOR ABS DTCS 
    • Check the ABS module for wheel speed sensor DTCs.

    Are any ABS DTC present? 

    Yes No
    REFER to the VEHICLE DYNAMIC SYSTEMS -- ESCAPE, ESCAPE HYBRID, MARINER & MARINER HYBRID to diagnose the wheel speed sensor DTCs. GO to  DP4.
  4. DP4 CHECK FOR CORRECT TRACTION MOTOR RPM DURING THE ROAD TEST 
    • Access the freeze frame data (if available) and record the DTC conditions.
    • Access the TCM and monitor the M_SPEED PID.
    • Access the TCM and monitor the VSS PID.
      TRACTION MOTOR RPM REFERENCE CHART

      Vehicle Speed KM/H (MPH) Traction Motor RPM
      0 (0) 0
      26 (16) 1,996
      55 (34) 4,392
      80 (50) 6,389
      109 (68) 8,784
    • Road test the vehicle. Test drive using freeze frame data conditions. (if available).
    • Refer to the table above.

    Does the traction motor RPM correspond with the vehicle speed? 

    Yes No
    GO to  DP5. GO to PINPOINT TEST TP .
  5. DP5 CHECK FOR CORRECT GENERATOR RPM 
    • Access the TCM and monitor the G_SPEED PID.
    • Access the TCM and monitor the ENGRPMA PID.
      GENERATOR MOTOR RPM REFERENCE CHART

      Engine RPM Generator Motor RPM
      0 0
      800 2,715
      1,000 3,394
      1,200 4,073
      1,400 4,752
      1,600 5,430
      1,800 6,109
      2,000 6,788
    • Place the gear selector lever in PARK.
    • Start the engine using the engine running diagnostic mode. Refer to DIAGNOSTIC MODES .
    • Refer to the table above.

    Does the generator RPM correspond with the engine RPM? 

    Yes No
    GO to  DP6. GO to PINPOINT TEST TO .
  6. DP6 CLEAR PCM DTCS 
    • Clear the PCM DTCs.
    • Road test the vehicle.
    • Repeat the KOEO and KOER self-tests and retrieve the continuous memory DTCs.

    Are any DTCs present? 

    Yes No
    DISREGARD the current diagnostic trouble code (DTC) at this time. DIAGNOSE the next DTC. GO to DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS . Test complete.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.